diff options
Diffstat (limited to 'Documentation')
25 files changed, 1267 insertions, 814 deletions
diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,llcc.yaml b/Documentation/devicetree/bindings/arm/msm/qcom,llcc.yaml index 30fcbe2ad8a3..5ea506412b4e 100644 --- a/Documentation/devicetree/bindings/arm/msm/qcom,llcc.yaml +++ b/Documentation/devicetree/bindings/arm/msm/qcom,llcc.yaml @@ -23,6 +23,8 @@ properties: enum: - qcom,sc7180-llcc - qcom,sc7280-llcc + - qcom,sc8180x-llcc + - qcom,sc8280xp-llcc - qcom,sdm845-llcc - qcom,sm6350-llcc - qcom,sm8150-llcc diff --git a/Documentation/devicetree/bindings/arm/qcom.yaml b/Documentation/devicetree/bindings/arm/qcom.yaml index 129cdd246223..93e4e4256e73 100644 --- a/Documentation/devicetree/bindings/arm/qcom.yaml +++ b/Documentation/devicetree/bindings/arm/qcom.yaml @@ -39,8 +39,11 @@ description: | msm8994 msm8996 sa8155p + sa8540p sc7180 sc7280 + sc8180x + sc8280xp sdm630 sdm632 sdm660 @@ -227,6 +230,18 @@ properties: - items: - enum: + - lenovo,flex-5g + - microsoft,surface-prox + - qcom,sc8180x-primus + - const: qcom,sc8180x + + - items: + - enum: + - qcom,sc8280xp-qrd + - const: qcom,sc8280xp + + - items: + - enum: - fairphone,fp3 - const: qcom,sdm632 @@ -260,6 +275,11 @@ properties: - items: - enum: + - qcom,sa8295p-adp + - const: qcom,sa8540p + + - items: + - enum: - fairphone,fp4 - const: qcom,sm7225 diff --git a/Documentation/devicetree/bindings/bus/qcom,ssc-block-bus.yaml b/Documentation/devicetree/bindings/bus/qcom,ssc-block-bus.yaml new file mode 100644 index 000000000000..5b9705079015 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/qcom,ssc-block-bus.yaml @@ -0,0 +1,147 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bus/qcom,ssc-block-bus.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: The AHB Bus Providing a Global View of the SSC Block on (some) qcom SoCs + +maintainers: + - Michael Srba <Michael.Srba@seznam.cz> + +description: | + This binding describes the dependencies (clocks, resets, power domains) which + need to be turned on in a sequence before communication over the AHB bus + becomes possible. + + Additionally, the reg property is used to pass to the driver the location of + two sadly undocumented registers which need to be poked as part of the sequence. + + The SSC (Snapdragon Sensor Core) block contains a gpio controller, i2c/spi/uart + controllers, a hexagon core, and a clock controller which provides clocks for + the above. + +properties: + compatible: + items: + - const: qcom,msm8998-ssc-block-bus + - const: qcom,ssc-block-bus + + reg: + description: | + Shall contain the addresses of the SSCAON_CONFIG0 and SSCAON_CONFIG1 + registers + minItems: 2 + maxItems: 2 + + reg-names: + items: + - const: mpm_sscaon_config0 + - const: mpm_sscaon_config1 + + '#address-cells': + enum: [ 1, 2 ] + + '#size-cells': + enum: [ 1, 2 ] + + ranges: true + + clocks: + minItems: 6 + maxItems: 6 + + clock-names: + items: + - const: xo + - const: aggre2 + - const: gcc_im_sleep + - const: aggre2_north + - const: ssc_xo + - const: ssc_ahbs + + power-domains: + description: Power domain phandles for the ssc_cx and ssc_mx power domains + minItems: 2 + maxItems: 2 + + power-domain-names: + items: + - const: ssc_cx + - const: ssc_mx + + resets: + description: | + Reset phandles for the ssc_reset and ssc_bcr resets (note: ssc_bcr is the + branch control register associated with the ssc_xo and ssc_ahbs clocks) + minItems: 2 + maxItems: 2 + + reset-names: + items: + - const: ssc_reset + - const: ssc_bcr + + qcom,halt-regs: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: describes how to locate the ssc AXI halt register + items: + - items: + - description: Phandle reference to a syscon representing TCSR + - description: offset for the ssc AXI halt register + +required: + - compatible + - reg + - reg-names + - '#address-cells' + - '#size-cells' + - ranges + - clocks + - clock-names + - power-domains + - power-domain-names + - resets + - reset-names + - qcom,halt-regs + +additionalProperties: + type: object + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-msm8998.h> + #include <dt-bindings/clock/qcom,rpmcc.h> + #include <dt-bindings/power/qcom-rpmpd.h> + + soc { + #address-cells = <1>; + #size-cells = <1>; + + // devices under this node are physically located in the SSC block, connected to an ssc-internal bus; + ssc_ahb_slave: bus@10ac008 { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + compatible = "qcom,msm8998-ssc-block-bus", "qcom,ssc-block-bus"; + reg = <0x10ac008 0x4>, <0x10ac010 0x4>; + reg-names = "mpm_sscaon_config0", "mpm_sscaon_config1"; + + clocks = <&xo>, + <&rpmcc RPM_SMD_AGGR2_NOC_CLK>, + <&gcc GCC_IM_SLEEP>, + <&gcc AGGRE2_SNOC_NORTH_AXI>, + <&gcc SSC_XO>, + <&gcc SSC_CNOC_AHBS_CLK>; + clock-names = "xo", "aggre2", "gcc_im_sleep", "aggre2_north", "ssc_xo", "ssc_ahbs"; + + resets = <&gcc GCC_SSC_RESET>, <&gcc GCC_SSC_BCR>; + reset-names = "ssc_reset", "ssc_bcr"; + + power-domains = <&rpmpd MSM8998_SSCCX>, <&rpmpd MSM8998_SSCMX>; + power-domain-names = "ssc_cx", "ssc_mx"; + + qcom,halt-regs = <&tcsr_mutex_regs 0x26000>; + }; + }; diff --git a/Documentation/devicetree/bindings/firmware/qcom,scm.txt b/Documentation/devicetree/bindings/firmware/qcom,scm.txt index b1cd4ad1889a..0f4e5ab26477 100644 --- a/Documentation/devicetree/bindings/firmware/qcom,scm.txt +++ b/Documentation/devicetree/bindings/firmware/qcom,scm.txt @@ -19,6 +19,7 @@ Required properties: * "qcom,scm-msm8953" * "qcom,scm-msm8960" * "qcom,scm-msm8974" + * "qcom,scm-msm8976" * "qcom,scm-msm8994" * "qcom,scm-msm8996" * "qcom,scm-msm8998" @@ -37,7 +38,7 @@ Required properties: * core clock required for "qcom,scm-apq8064", "qcom,scm-msm8660" and "qcom,scm-msm8960" * core, iface and bus clocks required for "qcom,scm-apq8084", - "qcom,scm-msm8916", "qcom,scm-msm8953" and "qcom,scm-msm8974" + "qcom,scm-msm8916", "qcom,scm-msm8953", "qcom,scm-msm8974" and "qcom,scm-msm8976" - clock-names: Must contain "core" for the core clock, "iface" for the interface clock and "bus" for the bus clock per the requirements of the compatible. - qcom,dload-mode: phandle to the TCSR hardware block and offset of the diff --git a/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml b/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml index e23df4836c6f..eec987640b37 100644 --- a/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml +++ b/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml @@ -45,20 +45,20 @@ additionalProperties: false examples: # Example 1: apps bcm_voter on SDM845 SoC should be defined inside &apps_rsc node - # as defined in Documentation/devicetree/bindings/soc/qcom/rpmh-rsc.txt + # as defined in Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml - | - apps_bcm_voter: bcm_voter { + apps_bcm_voter: bcm-voter { compatible = "qcom,bcm-voter"; }; # Example 2: disp bcm_voter on SDM845 should be defined inside &disp_rsc node - # as defined in Documentation/devicetree/bindings/soc/qcom/rpmh-rsc.txt + # as defined in Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml - | #include <dt-bindings/interconnect/qcom,icc.h> - disp_bcm_voter: bcm_voter { + disp_bcm_voter: bcm-voter { compatible = "qcom,bcm-voter"; qcom,tcs-wait = <QCOM_ICC_TAG_AMC>; }; diff --git a/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml b/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml index 940e97b565bf..ad77a6380f38 100644 --- a/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml +++ b/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml @@ -27,12 +27,15 @@ properties: - qcom,msm8998-rpmpd - qcom,qcm2290-rpmpd - qcom,qcs404-rpmpd + - qcom,sa8540p-rpmhpd - qcom,sdm660-rpmpd - qcom,sc7180-rpmhpd - qcom,sc7280-rpmhpd - qcom,sc8180x-rpmhpd + - qcom,sc8280xp-rpmhpd - qcom,sdm845-rpmhpd - qcom,sdx55-rpmhpd + - qcom,sdx65-rpmhpd - qcom,sm6115-rpmpd - qcom,sm6125-rpmpd - qcom,sm6350-rpmhpd diff --git a/Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.yaml b/Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.yaml index f052e03be402..6a9a7eed466f 100644 --- a/Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.yaml +++ b/Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.yaml @@ -12,7 +12,7 @@ description: resides as a subnode of the SMD. As such, the SMD-RPM regulator requires that the SMD and RPM nodes be present. - Please refer to Documentation/devicetree/bindings/soc/qcom/qcom,smd.txt for + Please refer to Documentation/devicetree/bindings/soc/qcom/qcom,smd.yaml for information pertaining to the SMD node. Please refer to Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml @@ -69,7 +69,8 @@ description: l12, l13, l14, l15, l16, l17, l18, l19, l20, l21, l22 maintainers: - - Kathiravan T <kathirav@codeaurora.org> + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> properties: compatible: diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt b/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt index 8f1507052afd..b677900b3aae 100644 --- a/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt +++ b/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt @@ -250,7 +250,7 @@ the memory regions used by the Hexagon firmware. Each sub-node must contain: The Hexagon node may also have an subnode named either "smd-edge" or "glink-edge" that describes the communication edge, channels and devices -related to the Hexagon. See ../soc/qcom/qcom,smd.txt and +related to the Hexagon. See ../soc/qcom/qcom,smd.yaml and ../soc/qcom/qcom,glink.txt for details on how to describe these. = EXAMPLE diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt b/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt index a83080b8905c..ac423f4c3f1b 100644 --- a/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt +++ b/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt @@ -111,7 +111,7 @@ and its resource dependencies. It is described by the following properties: The wcnss node can also have an subnode named "smd-edge" that describes the SMD edge, channels and devices related to the WCNSS. -See ../soc/qcom/qcom,smd.txt for details on how to describe the SMD edge. +See ../soc/qcom/qcom,smd.yaml for details on how to describe the SMD edge. = EXAMPLE The following example describes the resources needed to boot control the WCNSS, diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml index 95fcb43675d6..006e9f6f4dc5 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml @@ -64,116 +64,23 @@ required: - ranges patternProperties: - "^.*@[0-9a-f]+$": - type: object - description: Common properties for GENI Serial Engine based I2C, SPI and - UART controller. - - properties: - reg: - description: GENI Serial Engine register address and length. - maxItems: 1 - - clock-names: - const: se - - clocks: - description: Serial engine core clock needed by the device. - maxItems: 1 - - interconnects: - minItems: 2 - maxItems: 3 - - interconnect-names: - minItems: 2 - items: - - const: qup-core - - const: qup-config - - const: qup-memory - - required: - - reg - - clock-names - - clocks - "spi@[0-9a-f]+$": type: object description: GENI serial engine based SPI controller. SPI in master mode supports up to 50MHz, up to four chip selects, programmable data path from 4 bits to 32 bits and numerous protocol variants. - $ref: /schemas/spi/spi-controller.yaml# - - properties: - compatible: - enum: - - qcom,geni-spi - - interrupts: - maxItems: 1 - - "#address-cells": - const: 1 - - "#size-cells": - const: 0 - - required: - - compatible - - interrupts - - "#address-cells" - - "#size-cells" + $ref: /schemas/spi/qcom,spi-geni-qcom.yaml# "i2c@[0-9a-f]+$": type: object description: GENI serial engine based I2C controller. - $ref: /schemas/i2c/i2c-controller.yaml# - - properties: - compatible: - enum: - - qcom,geni-i2c - - interrupts: - maxItems: 1 - - "#address-cells": - const: 1 - - "#size-cells": - const: 0 - - clock-frequency: - description: Desired I2C bus clock frequency in Hz. - default: 100000 - - required: - - compatible - - interrupts - - "#address-cells" - - "#size-cells" + $ref: /schemas/i2c/qcom,i2c-geni-qcom.yaml# "serial@[0-9a-f]+$": type: object description: GENI Serial Engine based UART Controller. - $ref: /schemas/serial.yaml# - - properties: - compatible: - enum: - - qcom,geni-uart - - qcom,geni-debug-uart - - interrupts: - minItems: 1 - items: - - description: UART core irq - - description: Wakeup irq (RX GPIO) - - required: - - compatible - - interrupts + $ref: /schemas/serial/qcom,serial-geni-qcom.yaml# additionalProperties: false diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.txt deleted file mode 100644 index fe1855f09dcc..000000000000 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.txt +++ /dev/null @@ -1,87 +0,0 @@ -QCOM GSBI (General Serial Bus Interface) Driver - -The GSBI controller is modeled as a node with zero or more child nodes, each -representing a serial sub-node device that is mux'd as part of the GSBI -configuration settings. The mode setting will govern the input/output mode of -the 4 GSBI IOs. - -Required properties: -- compatible: Should contain "qcom,gsbi-v1.0.0" -- cell-index: Should contain the GSBI index -- reg: Address range for GSBI registers -- clocks: required clock -- clock-names: must contain "iface" entry -- qcom,mode : indicates MUX value for configuration of the serial interface. - Please reference dt-bindings/soc/qcom,gsbi.h for valid mux values. - -Optional properties: -- qcom,crci : indicates CRCI MUX value for QUP CRCI ports. Please reference - dt-bindings/soc/qcom,gsbi.h for valid CRCI mux values. -- syscon-tcsr: indicates phandle of TCSR syscon node. Required if child uses - dma. - -Required properties if child node exists: -- #address-cells: Must be 1 -- #size-cells: Must be 1 -- ranges: Must be present - -Properties for children: - -A GSBI controller node can contain 0 or more child nodes representing serial -devices. These serial devices can be a QCOM UART, I2C controller, spi -controller, or some combination of aforementioned devices. - -See the following for child node definitions: -Documentation/devicetree/bindings/i2c/qcom,i2c-qup.txt -Documentation/devicetree/bindings/spi/qcom,spi-qup.txt -Documentation/devicetree/bindings/serial/qcom,msm-uartdm.txt - -Example for APQ8064: - -#include <dt-bindings/soc/qcom,gsbi.h> - - gsbi4@16300000 { - compatible = "qcom,gsbi-v1.0.0"; - cell-index = <4>; - reg = <0x16300000 0x100>; - clocks = <&gcc GSBI4_H_CLK>; - clock-names = "iface"; - #address-cells = <1>; - #size-cells = <1>; - ranges; - qcom,mode = <GSBI_PROT_I2C_UART>; - qcom,crci = <GSBI_CRCI_QUP>; - - syscon-tcsr = <&tcsr>; - - /* child nodes go under here */ - - i2c_qup4: i2c@16380000 { - compatible = "qcom,i2c-qup-v1.1.1"; - reg = <0x16380000 0x1000>; - interrupts = <0 153 0>; - - clocks = <&gcc GSBI4_QUP_CLK>, <&gcc GSBI4_H_CLK>; - clock-names = "core", "iface"; - - clock-frequency = <200000>; - - #address-cells = <1>; - #size-cells = <0>; - - }; - - uart4: serial@16340000 { - compatible = "qcom,msm-uartdm-v1.3", "qcom,msm-uartdm"; - reg = <0x16340000 0x1000>, - <0x16300000 0x1000>; - interrupts = <0 152 0x0>; - clocks = <&gcc GSBI4_UART_CLK>, <&gcc GSBI4_H_CLK>; - clock-names = "core", "iface"; - }; - }; - - tcsr: syscon@1a400000 { - compatible = "qcom,apq8064-tcsr", "syscon"; - reg = <0x1a400000 0x100>; - }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.yaml new file mode 100644 index 000000000000..c33704333e49 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.yaml @@ -0,0 +1,132 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom,gsbi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm General Serial Bus Interface (GSBI) + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> + +description: + The GSBI controller is modeled as a node with zero or more child nodes, each + representing a serial sub-node device that is mux'd as part of the GSBI + configuration settings. The mode setting will govern the input/output mode + of the 4 GSBI IOs. + + A GSBI controller node can contain 0 or more child nodes representing serial + devices. These serial devices can be a QCOM UART, I2C controller, spi + controller, or some combination of aforementioned devices. + +properties: + compatible: + const: qcom,gsbi-v1.0.0 + + '#address-cells': + const: 1 + + cell-index: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The GSBI index. + + clocks: + maxItems: 1 + + clock-names: + const: iface + + qcom,crci: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + CRCI MUX value for QUP CRCI ports. Please reference + include/dt-bindings/soc/qcom,gsbi.h for valid CRCI mux values. + + qcom,mode: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + MUX value for configuration of the serial interface. Please reference + include/dt-bindings/soc/qcom,gsbi.h for valid mux values. + + '#size-cells': + const: 1 + + syscon-tcsr: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle of TCSR syscon node.Required if child uses dma. + + ranges: true + + reg: + maxItems: 1 + +patternProperties: + "spi@[0-9a-f]+$": + type: object + $ref: /schemas/spi/qcom,spi-qup.yaml# + + "i2c@[0-9a-f]+$": + type: object + $ref: /schemas/i2c/qcom,i2c-qup.yaml# + + "serial@[0-9a-f]+$": + type: object + $ref: /schemas/serial/qcom,msm-uartdm.yaml# + +required: + - compatible + - cell-index + - clocks + - clock-names + - qcom,mode + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-msm8960.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/soc/qcom,gsbi.h> + + gsbi@12440000 { + compatible = "qcom,gsbi-v1.0.0"; + reg = <0x12440000 0x100>; + cell-index = <1>; + clocks = <&gcc GSBI1_H_CLK>; + clock-names = "iface"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + syscon-tcsr = <&tcsr>; + qcom,mode = <GSBI_PROT_I2C_UART>; + + serial@12450000 { + compatible = "qcom,msm-uartdm-v1.3", "qcom,msm-uartdm"; + reg = <0x12450000 0x100>, + <0x12400000 0x03>; + interrupts = <0 193 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&gcc GSBI1_UART_CLK>, <&gcc GSBI1_H_CLK>; + clock-names = "core", "iface"; + }; + + i2c@12460000 { + compatible = "qcom,i2c-qup-v1.1.1"; + reg = <0x12460000 0x1000>; + pinctrl-0 = <&i2c1_pins>; + pinctrl-1 = <&i2c1_pins_sleep>; + pinctrl-names = "default", "sleep"; + interrupts = <0 194 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&gcc GSBI1_QUP_CLK>, <&gcc GSBI1_H_CLK>; + clock-names = "core", "iface"; + #address-cells = <1>; + #size-cells = <0>; + + status = "disabled"; /* UART chosen */ + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml new file mode 100644 index 000000000000..f5ecf4a8c377 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml @@ -0,0 +1,272 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom,rpmh-rsc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm RPMH RSC + +maintainers: + - Bjorn Andersson <bjorn.andersson@linaro.org> + +description: | + Resource Power Manager Hardened (RPMH) is the mechanism for communicating + with the hardened resource accelerators on Qualcomm SoCs. Requests to the + resources can be written to the Trigger Command Set (TCS) registers and + using a (addr, val) pair and triggered. Messages in the TCS are then sent in + sequence over an internal bus. + + The hardware block (Direct Resource Voter or DRV) is a part of the h/w entity + (Resource State Coordinator a.k.a RSC) that can handle multiple sleep and + active/wake resource requests. Multiple such DRVs can exist in a SoC and can + be written to from Linux. The structure of each DRV follows the same template + with a few variations that are captured by the properties here. + + A TCS may be triggered from Linux or triggered by the F/W after all the CPUs + have powered off to facilitate idle power saving. TCS could be classified as:: + ACTIVE - Triggered by Linux + SLEEP - Triggered by F/W + WAKE - Triggered by F/W + CONTROL - Triggered by F/W + See also:: <dt-bindings/soc/qcom,rpmh-rsc.h> + + The order in which they are described in the DT, should match the hardware + configuration. + + Requests can be made for the state of a resource, when the subsystem is + active or idle. When all subsystems like Modem, GPU, CPU are idle, the + resource state will be an aggregate of the sleep votes from each of those + subsystems. Clients may request a sleep value for their shared resources in + addition to the active mode requests. + + Drivers that want to use the RSC to communicate with RPMH must specify their + bindings as child nodes of the RSC controllers they wish to communicate with. + +properties: + compatible: + const: qcom,rpmh-rsc + + interrupts: + minItems: 1 + maxItems: 4 + description: + The interrupt that trips when a message complete/response is received for + this DRV from the accelerators. + Number of interrupts must match number of DRV blocks. + + label: + description: + Name for the RSC. The name would be used in trace logs. + + qcom,drv-id: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The ID of the DRV in the RSC block that will be used by this controller. + + qcom,tcs-config: + $ref: /schemas/types.yaml#/definitions/uint32-matrix + items: + - items: + - description: TCS type + enum: [ 0, 1, 2, 3 ] + - description: Number of TCS + - items: + - description: TCS type + enum: [ 0, 1, 2, 3 ] + - description: Number of TCS + - items: + - description: TCS type + enum: [ 0, 1, 2, 3] + - description: Numbe r of TCS + - items: + - description: TCS type + enum: [ 0, 1, 2, 3 ] + - description: Number of TCS + description: | + The tuple defining the configuration of TCS. Must have two cells which + describe each TCS type. The order of the TCS must match the hardware + configuration. + Cell 1 (TCS Type):: TCS types to be specified:: + - ACTIVE_TCS + - SLEEP_TCS + - WAKE_TCS + - CONTROL_TCS + Cell 2 (Number of TCS):: <u32> + + qcom,tcs-offset: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The offset of the TCS blocks. + + reg: + minItems: 1 + maxItems: 4 + + reg-names: + minItems: 1 + items: + - const: drv-0 + - const: drv-1 + - const: drv-2 + - const: drv-3 + + bcm-voter: + $ref: /schemas/interconnect/qcom,bcm-voter.yaml# + + clock-controller: + $ref: /schemas/clock/qcom,rpmhcc.yaml# + + power-controller: + $ref: /schemas/power/qcom,rpmpd.yaml# + +patternProperties: + '-regulators$': + $ref: /schemas/regulator/qcom,rpmh-regulator.yaml# + +required: + - compatible + - interrupts + - qcom,drv-id + - qcom,tcs-config + - qcom,tcs-offset + - reg + - reg-names + +additionalProperties: false + +examples: + - | + // For a TCS whose RSC base address is 0x179C0000 and is at a DRV id of + // 2, the register offsets for DRV2 start at 0D00, the register + // calculations are like this:: + // DRV0: 0x179C0000 + // DRV2: 0x179C0000 + 0x10000 = 0x179D0000 + // DRV2: 0x179C0000 + 0x10000 * 2 = 0x179E0000 + // TCS-OFFSET: 0xD00 + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/soc/qcom,rpmh-rsc.h> + + rsc@179c0000 { + compatible = "qcom,rpmh-rsc"; + reg = <0x179c0000 0x10000>, + <0x179d0000 0x10000>, + <0x179e0000 0x10000>; + reg-names = "drv-0", "drv-1", "drv-2"; + interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>; + label = "apps_rsc"; + qcom,tcs-offset = <0xd00>; + qcom,drv-id = <2>; + qcom,tcs-config = <ACTIVE_TCS 2>, + <SLEEP_TCS 3>, + <WAKE_TCS 3>, + <CONTROL_TCS 1>; + }; + + - | + // For a TCS whose RSC base address is 0xAF20000 and is at DRV id of 0, the + // register offsets for DRV0 start at 01C00, the register calculations are + // like this:: + // DRV0: 0xAF20000 + // TCS-OFFSET: 0x1C00 + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/soc/qcom,rpmh-rsc.h> + + rsc@af20000 { + compatible = "qcom,rpmh-rsc"; + reg = <0xaf20000 0x10000>; + reg-names = "drv-0"; + interrupts = <GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>; + label = "disp_rsc"; + qcom,tcs-offset = <0x1c00>; + qcom,drv-id = <0>; + qcom,tcs-config = <ACTIVE_TCS 0>, + <SLEEP_TCS 1>, + <WAKE_TCS 1>, + <CONTROL_TCS 0>; + }; + + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/soc/qcom,rpmh-rsc.h> + #include <dt-bindings/power/qcom-rpmpd.h> + + rsc@18200000 { + compatible = "qcom,rpmh-rsc"; + reg = <0x18200000 0x10000>, + <0x18210000 0x10000>, + <0x18220000 0x10000>; + reg-names = "drv-0", "drv-1", "drv-2"; + interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>; + label = "apps_rsc"; + qcom,tcs-offset = <0xd00>; + qcom,drv-id = <2>; + qcom,tcs-config = <ACTIVE_TCS 2>, + <SLEEP_TCS 3>, + <WAKE_TCS 3>, + <CONTROL_TCS 0>; + + clock-controller { + compatible = "qcom,sm8350-rpmh-clk"; + #clock-cells = <1>; + clock-names = "xo"; + clocks = <&xo_board>; + }; + + power-controller { + compatible = "qcom,sm8350-rpmhpd"; + #power-domain-cells = <1>; + operating-points-v2 = <&rpmhpd_opp_table>; + + rpmhpd_opp_table: opp-table { + compatible = "operating-points-v2"; + + rpmhpd_opp_ret: opp1 { + opp-level = <RPMH_REGULATOR_LEVEL_RETENTION>; + }; + + rpmhpd_opp_min_svs: opp2 { + opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>; + }; + + rpmhpd_opp_low_svs: opp3 { + opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>; + }; + + rpmhpd_opp_svs: opp4 { + opp-level = <RPMH_REGULATOR_LEVEL_SVS>; + }; + + rpmhpd_opp_svs_l1: opp5 { + opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>; + }; + + rpmhpd_opp_nom: opp6 { + opp-level = <RPMH_REGULATOR_LEVEL_NOM>; + }; + + rpmhpd_opp_nom_l1: opp7 { + opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>; + }; + + rpmhpd_opp_nom_l2: opp8 { + opp-level = <RPMH_REGULATOR_LEVEL_NOM_L2>; + }; + + rpmhpd_opp_turbo: opp9 { + opp-level = <RPMH_REGULATOR_LEVEL_TURBO>; + }; + + rpmhpd_opp_turbo_l1: opp10 { + opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>; + }; + }; + }; + + bcm-voter { + compatible = "qcom,bcm-voter"; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml index b32457c2fc0b..c4ca384be196 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml @@ -12,7 +12,7 @@ description: | to vote for state of the system resources, such as clocks, regulators and bus frequencies. - The SMD information for the RPM edge should be filled out. See qcom,smd.txt + The SMD information for the RPM edge should be filled out. See qcom,smd.yaml for the required edge properties. All SMD related properties will reside within the RPM node itself. @@ -25,7 +25,8 @@ description: | rpm_requests. maintainers: - - Kathiravan T <kathirav@codeaurora.org> + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> properties: compatible: @@ -82,7 +83,7 @@ examples: qcom,ipc = <&apcs 8 0>; qcom,smd-edge = <15>; - rpm_requests { + rpm-requests { compatible = "qcom,rpm-msm8974"; qcom,smd-channels = "rpm_requests"; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smd.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,smd.txt deleted file mode 100644 index 234ae2256501..000000000000 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,smd.txt +++ /dev/null @@ -1,98 +0,0 @@ -Qualcomm Shared Memory Driver (SMD) binding - -This binding describes the Qualcomm Shared Memory Driver, a fifo based -communication channel for sending data between the various subsystems in -Qualcomm platforms. - -- compatible: - Usage: required - Value type: <stringlist> - Definition: must be "qcom,smd" - -= EDGES - -Each subnode of the SMD node represents a remote subsystem or a remote -processor of some sort - or in SMD language an "edge". The name of the edges -are not important. -The edge is described by the following properties: - -- interrupts: - Usage: required - Value type: <prop-encoded-array> - Definition: should specify the IRQ used by the remote processor to - signal this processor about communication related updates - -- mboxes: - Usage: required - Value type: <prop-encoded-array> - Definition: reference to the associated doorbell in APCS, as described - in mailbox/mailbox.txt - -- qcom,ipc: - Usage: required, unless mboxes is specified - Value type: <prop-encoded-array> - Definition: three entries specifying the outgoing ipc bit used for - signaling the remote processor: - - phandle to a syscon node representing the apcs registers - - u32 representing offset to the register within the syscon - - u32 representing the ipc bit within the register - -- qcom,smd-edge: - Usage: required - Value type: <u32> - Definition: the identifier of the remote processor in the smd channel - allocation table - -- qcom,remote-pid: - Usage: optional - Value type: <u32> - Definition: the identifier for the remote processor as known by the rest - of the system. - -- label: - Usage: optional - Value type: <string> - Definition: name of the edge, used for debugging and identification - purposes. The node name will be used if this is not - present. - -= SMD DEVICES - -In turn, subnodes of the "edges" represent devices tied to SMD channels on that -"edge". The names of the devices are not important. The properties of these -nodes are defined by the individual bindings for the SMD devices - but must -contain the following property: - -- qcom,smd-channels: - Usage: required - Value type: <stringlist> - Definition: a list of channels tied to this device, used for matching - the device to channels - -= EXAMPLE - -The following example represents a smd node, with one edge representing the -"rpm" subsystem. For the "rpm" subsystem we have a device tied to the -"rpm_request" channel. - - apcs: syscon@f9011000 { - compatible = "syscon"; - reg = <0xf9011000 0x1000>; - }; - - smd { - compatible = "qcom,smd"; - - rpm { - interrupts = <0 168 1>; - qcom,ipc = <&apcs 8 0>; - qcom,smd-edge = <15>; - - rpm_requests { - compatible = "qcom,rpm-msm8974"; - qcom,smd-channels = "rpm_requests"; - - ... - }; - }; - }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smd.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,smd.yaml new file mode 100644 index 000000000000..e6f9ffa1c0ea --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smd.yaml @@ -0,0 +1,137 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom,smd.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Shared Memory Driver + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> + +description: + The Qualcomm Shared Memory Driver is a FIFO based communication channel for + sending data between the various subsystems in Qualcomm platforms. + +properties: + compatible: + const: qcom,smd + +patternProperties: + "^.*-edge|rpm$": + type: object + description: + Each subnode of the SMD node represents a remote subsystem or a remote + processor of some sort - or in SMD language an "edge". The name of the + edges are not important. + + properties: + interrupts: + maxItems: 1 + + label: + $ref: /schemas/types.yaml#/definitions/string + description: + Name of the edge, used for debugging and identification purposes. The + node name will be used if this is not present. + + mboxes: + maxItems: 1 + description: + Reference to the mailbox representing the outgoing doorbell in APCS for + this client. + + qcom,ipc: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to a syscon node representing the APCS registers + - description: u32 representing offset to the register within the syscon + - description: u32 representing the ipc bit within the register + description: + Three entries specifying the outgoing ipc bit used for signaling the + remote processor. + + qcom,smd-edge: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The identifier of the remote processor in the smd channel allocation + table. + + qcom,remote-pid: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The identifier for the remote processor as known by the rest of the + system. + + # Binding for edge subnodes is not complete + patternProperties: + "^rpm-requests$": + type: object + description: + In turn, subnodes of the "edges" represent devices tied to SMD + channels on that "edge". The names of the devices are not + important. The properties of these nodes are defined by the + individual bindings for the SMD devices. + + properties: + qcom,smd-channels: + $ref: /schemas/types.yaml#/definitions/string-array + minItems: 1 + maxItems: 32 + description: + A list of channels tied to this device, used for matching the + device to channels. + + required: + - compatible + - qcom,smd-channels + + additionalProperties: true + + required: + - interrupts + - qcom,smd-edge + + oneOf: + - required: + - mboxes + - required: + - qcom,ipc + + additionalProperties: false + +required: + - compatible + +additionalProperties: false + +examples: + # The following example represents a smd node, with one edge representing the + # "rpm" subsystem. For the "rpm" subsystem we have a device tied to the + # "rpm_request" channel. + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + shared-memory { + compatible = "qcom,smd"; + + rpm { + interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>; + qcom,ipc = <&apcs 8 0>; + qcom,smd-edge = <15>; + + rpm-requests { + compatible = "qcom,rpm-msm8974"; + qcom,smd-channels = "rpm_requests"; + + clock-controller { + compatible = "qcom,rpmcc-msm8974", "qcom,rpmcc"; + #clock-cells = <1>; + }; + + }; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.txt deleted file mode 100644 index 49e1d72d3648..000000000000 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.txt +++ /dev/null @@ -1,110 +0,0 @@ -Qualcomm Shared Memory Point 2 Point binding - -The Shared Memory Point to Point (SMP2P) protocol facilitates communication of -a single 32-bit value between two processors. Each value has a single writer -(the local side) and a single reader (the remote side). Values are uniquely -identified in the system by the directed edge (local processor ID to remote -processor ID) and a string identifier. - -- compatible: - Usage: required - Value type: <string> - Definition: must be one of: - "qcom,smp2p" - -- interrupts: - Usage: required - Value type: <prop-encoded-array> - Definition: one entry specifying the smp2p notification interrupt - -- mboxes: - Usage: required - Value type: <prop-encoded-array> - Definition: reference to the associated doorbell in APCS, as described - in mailbox/mailbox.txt - -- qcom,ipc: - Usage: required, unless mboxes is specified - Value type: <prop-encoded-array> - Definition: three entries specifying the outgoing ipc bit used for - signaling the remote end of the smp2p edge: - - phandle to a syscon node representing the apcs registers - - u32 representing offset to the register within the syscon - - u32 representing the ipc bit within the register - -- qcom,smem: - Usage: required - Value type: <u32 array> - Definition: two identifiers of the inbound and outbound smem items used - for this edge - -- qcom,local-pid: - Usage: required - Value type: <u32> - Definition: specifies the identifier of the local endpoint of this edge - -- qcom,remote-pid: - Usage: required - Value type: <u32> - Definition: specifies the identifier of the remote endpoint of this edge - -= SUBNODES -Each SMP2P pair contain a set of inbound and outbound entries, these are -described in subnodes of the smp2p device node. The node names are not -important. - -- qcom,entry-name: - Usage: required - Value type: <string> - Definition: specifies the name of this entry, for inbound entries this - will be used to match against the remotely allocated entry - and for outbound entries this name is used for allocating - entries - -- interrupt-controller: - Usage: required for incoming entries - Value type: <empty> - Definition: marks the entry as inbound; the node should be specified - as a two cell interrupt-controller as defined in - "../interrupt-controller/interrupts.txt" - If not specified this node will denote the outgoing entry - -- #interrupt-cells: - Usage: required for incoming entries - Value type: <u32> - Definition: must be 2 - denoting the bit in the entry and IRQ flags - -- #qcom,smem-state-cells: - Usage: required for outgoing entries - Value type: <u32> - Definition: must be 1 - denoting the bit in the entry - -= EXAMPLE -The following example shows the SMP2P setup with the wireless processor, -defined from the 8974 apps processor's point-of-view. It encompasses one -inbound and one outbound entry: - -wcnss-smp2p { - compatible = "qcom,smp2p"; - qcom,smem = <431>, <451>; - - interrupts = <0 143 1>; - - qcom,ipc = <&apcs 8 18>; - - qcom,local-pid = <0>; - qcom,remote-pid = <4>; - - wcnss_smp2p_out: master-kernel { - qcom,entry-name = "master-kernel"; - - #qcom,smem-state-cells = <1>; - }; - - wcnss_smp2p_in: slave-kernel { - qcom,entry-name = "slave-kernel"; - - interrupt-controller; - #interrupt-cells = <2>; - }; -}; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.yaml new file mode 100644 index 000000000000..795bd8cd4104 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.yaml @@ -0,0 +1,145 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom,smp2p.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Shared Memory Point 2 Point + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> + +description: + The Shared Memory Point to Point (SMP2P) protocol facilitates communication + of a single 32-bit value between two processors. Each value has a single + writer (the local side) and a single reader (the remote side). Values are + uniquely identified in the system by the directed edge (local processor ID to + remote processor ID) and a string identifier. + +properties: + compatible: + const: qcom,smp2p + + interrupts: + maxItems: 1 + + mboxes: + maxItems: 1 + description: + Reference to the mailbox representing the outgoing doorbell in APCS for + this client. + + qcom,ipc: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to a syscon node representing the APCS registers + - description: u32 representing offset to the register within the syscon + - description: u32 representing the ipc bit within the register + description: + Three entries specifying the outgoing ipc bit used for signaling the + remote end of the smp2p edge. + + qcom,local-pid: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The identifier of the local endpoint of this edge. + + qcom,remote-pid: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The identifier of the remote endpoint of this edge. + + qcom,smem: + $ref: /schemas/types.yaml#/definitions/uint32-array + items: + maxItems: 2 + description: + Two identifiers of the inbound and outbound smem items used for this edge. + +patternProperties: + "^master-kernel|slave-kernel|ipa-ap-to-modem|ipa-modem-to-ap$": + type: object + description: + Each SMP2P pair contain a set of inbound and outbound entries, these are + described in subnodes of the smp2p device node. The node names are not + important. + + properties: + interrupt-controller: + description: + Marks the entry as inbound; the node should be specified as a two + cell interrupt-controller. If not specified this node will denote + the outgoing entry. + + '#interrupt-cells': + const: 2 + + qcom,entry-name: + $ref: /schemas/types.yaml#/definitions/string + description: + The name of this entry, for inbound entries this will be used to + match against the remotely allocated entry and for outbound entries + this name is used for allocating entries. + + '#qcom,smem-state-cells': + $ref: /schemas/types.yaml#/definitions/uint32 + const: 1 + description: + Required for outgoing entries. + + required: + - qcom,entry-name + + oneOf: + - required: + - interrupt-controller + - '#interrupt-cells' + - required: + - '#qcom,smem-state-cells' + + additionalProperties: false + +required: + - compatible + - interrupts + - qcom,local-pid + - qcom,remote-pid + - qcom,smem + +oneOf: + - required: + - mboxes + - required: + - qcom,ipc + +additionalProperties: false + +examples: + # The following example shows the SMP2P setup with the wireless processor, + # defined from the 8974 apps processor's point-of-view. It encompasses one + # inbound and one outbound entry. + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + shared-memory { + compatible = "qcom,smp2p"; + qcom,smem = <431>, <451>; + interrupts = <GIC_SPI 143 IRQ_TYPE_EDGE_RISING>; + qcom,ipc = <&apcs 8 18>; + qcom,local-pid = <0>; + qcom,remote-pid = <4>; + + wcnss_smp2p_out: master-kernel { + qcom,entry-name = "master-kernel"; + #qcom,smem-state-cells = <1>; + }; + + wcnss_smp2p_in: slave-kernel { + qcom,entry-name = "slave-kernel"; + interrupt-controller; + #interrupt-cells = <2>; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smsm.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,smsm.txt deleted file mode 100644 index 2993b5a97dd6..000000000000 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,smsm.txt +++ /dev/null @@ -1,104 +0,0 @@ -Qualcomm Shared Memory State Machine - -The Shared Memory State Machine facilitates broadcasting of single bit state -information between the processors in a Qualcomm SoC. Each processor is -assigned 32 bits of state that can be modified. A processor can through a -matrix of bitmaps signal subscription of notifications upon changes to a -certain bit owned by a certain remote processor. - -- compatible: - Usage: required - Value type: <string> - Definition: must be one of: - "qcom,smsm" - -- qcom,ipc-N: - Usage: required - Value type: <prop-encoded-array> - Definition: three entries specifying the outgoing ipc bit used for - signaling the N:th remote processor - - phandle to a syscon node representing the apcs registers - - u32 representing offset to the register within the syscon - - u32 representing the ipc bit within the register - -- qcom,local-host: - Usage: optional - Value type: <u32> - Definition: identifier of the local processor in the list of hosts, or - in other words specifier of the column in the subscription - matrix representing the local processor - defaults to host 0 - -- #address-cells: - Usage: required - Value type: <u32> - Definition: must be 1 - -- #size-cells: - Usage: required - Value type: <u32> - Definition: must be 0 - -= SUBNODES -Each processor's state bits are described by a subnode of the smsm device node. -Nodes can either be flagged as an interrupt-controller to denote a remote -processor's state bits or the local processors bits. The node names are not -important. - -- reg: - Usage: required - Value type: <u32> - Definition: specifies the offset, in words, of the first bit for this - entry - -- #qcom,smem-state-cells: - Usage: required for local entry - Value type: <u32> - Definition: must be 1 - denotes bit number - -- interrupt-controller: - Usage: required for remote entries - Value type: <empty> - Definition: marks the entry as a interrupt-controller and the state bits - to belong to a remote processor - -- #interrupt-cells: - Usage: required for remote entries - Value type: <u32> - Definition: must be 2 - denotes bit number and IRQ flags - -- interrupts: - Usage: required for remote entries - Value type: <prop-encoded-array> - Definition: one entry specifying remote IRQ used by the remote processor - to signal changes of its state bits - - -= EXAMPLE -The following example shows the SMEM setup for controlling properties of the -wireless processor, defined from the 8974 apps processor's point-of-view. It -encompasses one outbound entry and the outgoing interrupt for the wireless -processor. - -smsm { - compatible = "qcom,smsm"; - - #address-cells = <1>; - #size-cells = <0>; - - qcom,ipc-3 = <&apcs 8 19>; - - apps_smsm: apps@0 { - reg = <0>; - - #qcom,smem-state-cells = <1>; - }; - - wcnss_smsm: wcnss@7 { - reg = <7>; - interrupts = <0 144 1>; - - interrupt-controller; - #interrupt-cells = <2>; - }; -}; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smsm.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,smsm.yaml new file mode 100644 index 000000000000..db67cf043256 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smsm.yaml @@ -0,0 +1,138 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom,smsm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Shared Memory State Machine + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> + +description: + The Shared Memory State Machine facilitates broadcasting of single bit state + information between the processors in a Qualcomm SoC. Each processor is + assigned 32 bits of state that can be modified. A processor can through a + matrix of bitmaps signal subscription of notifications upon changes to a + certain bit owned by a certain remote processor. + +properties: + compatible: + const: qcom,smsm + + '#address-cells': + const: 1 + + qcom,local-host: + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0 + description: + Identifier of the local processor in the list of hosts, or in other words + specifier of the column in the subscription matrix representing the local + processor. + + '#size-cells': + const: 0 + +patternProperties: + "^qcom,ipc-[1-4]$": + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to a syscon node representing the APCS registers + - description: u32 representing offset to the register within the syscon + - description: u32 representing the ipc bit within the register + description: + Three entries specifying the outgoing ipc bit used for signaling the N:th + remote processor. + + "@[0-9a-f]$": + type: object + description: + Each processor's state bits are described by a subnode of the SMSM device + node. Nodes can either be flagged as an interrupt-controller to denote a + remote processor's state bits or the local processors bits. The node + names are not important. + + properties: + reg: + maxItems: 1 + + interrupt-controller: + description: + Marks the entry as a interrupt-controller and the state bits to + belong to a remote processor. + + '#interrupt-cells': + const: 2 + + interrupts: + maxItems: 1 + description: + One entry specifying remote IRQ used by the remote processor to + signal changes of its state bits. + + '#qcom,smem-state-cells': + $ref: /schemas/types.yaml#/definitions/uint32 + const: 1 + description: + Required for local entry. Denotes bit number. + + required: + - reg + + oneOf: + - required: + - '#qcom,smem-state-cells' + - required: + - interrupt-controller + - '#interrupt-cells' + - interrupts + + additionalProperties: false + +required: + - compatible + - '#address-cells' + - '#size-cells' + +anyOf: + - required: + - qcom,ipc-1 + - required: + - qcom,ipc-2 + - required: + - qcom,ipc-3 + - required: + - qcom,ipc-4 + +additionalProperties: false + +examples: + # The following example shows the SMEM setup for controlling properties of + # the wireless processor, defined from the 8974 apps processor's + # point-of-view. It encompasses one outbound entry and the outgoing interrupt + # for the wireless processor. + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + shared-memory { + compatible = "qcom,smsm"; + #address-cells = <1>; + #size-cells = <0>; + qcom,ipc-3 = <&apcs 8 19>; + + apps_smsm: apps@0 { + reg = <0>; + #qcom,smem-state-cells = <1>; + }; + + wcnss_smsm: wcnss@7 { + reg = <7>; + interrupts = <GIC_SPI 144 IRQ_TYPE_EDGE_RISING>; + interrupt-controller; + #interrupt-cells = <2>; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,wcnss.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,wcnss.txt deleted file mode 100644 index 1382b64e1381..000000000000 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,wcnss.txt +++ /dev/null @@ -1,131 +0,0 @@ -Qualcomm WCNSS Binding - -This binding describes the Qualcomm WCNSS hardware. It consists of control -block and a BT, WiFi and FM radio block, all using SMD as command channels. - -- compatible: - Usage: required - Value type: <string> - Definition: must be: "qcom,wcnss", - -- qcom,smd-channel: - Usage: required - Value type: <string> - Definition: standard SMD property specifying the SMD channel used for - communication with the WiFi firmware. - Should be "WCNSS_CTRL". - -- qcom,mmio: - Usage: required - Value type: <prop-encoded-array> - Definition: reference to a node specifying the wcnss "ccu" and "dxe" - register blocks. The node must be compatible with one of - the following: - "qcom,riva", - "qcom,pronto" - -- firmware-name: - Usage: optional - Value type: <string> - Definition: specifies the relative firmware image path for the WLAN NV - blob. Defaults to "wlan/prima/WCNSS_qcom_wlan_nv.bin" if - not specified. - -= SUBNODES -The subnodes of the wcnss node are optional and describe the individual blocks in -the WCNSS. - -== Bluetooth -The following properties are defined to the bluetooth node: - -- compatible: - Usage: required - Value type: <string> - Definition: must be: - "qcom,wcnss-bt" - -- local-bd-address: - Usage: optional - Value type: <u8 array> - Definition: see Documentation/devicetree/bindings/net/bluetooth.txt - -== WiFi -The following properties are defined to the WiFi node: - -- compatible: - Usage: required - Value type: <string> - Definition: must be one of: - "qcom,wcnss-wlan", - -- interrupts: - Usage: required - Value type: <prop-encoded-array> - Definition: should specify the "rx" and "tx" interrupts - -- interrupt-names: - Usage: required - Value type: <stringlist> - Definition: must contain "rx" and "tx" - -- qcom,smem-state: - Usage: required - Value type: <prop-encoded-array> - Definition: should reference the tx-enable and tx-rings-empty SMEM states - -- qcom,smem-state-names: - Usage: required - Value type: <stringlist> - Definition: must contain "tx-enable" and "tx-rings-empty" - -= EXAMPLE -The following example represents a SMD node, with one edge representing the -"pronto" subsystem, with the wcnss device and its wcn3680 BT and WiFi blocks -described; as found on the 8974 platform. - -smd { - compatible = "qcom,smd"; - - pronto-edge { - interrupts = <0 142 1>; - - qcom,ipc = <&apcs 8 17>; - qcom,smd-edge = <6>; - - wcnss { - compatible = "qcom,wcnss"; - qcom,smd-channels = "WCNSS_CTRL"; - - #address-cells = <1>; - #size-cells = <1>; - - qcom,mmio = <&pronto>; - - bt { - compatible = "qcom,wcnss-bt"; - - /* BD address 00:11:22:33:44:55 */ - local-bd-address = [ 55 44 33 22 11 00 ]; - }; - - wlan { - compatible = "qcom,wcnss-wlan"; - - interrupts = <0 145 0>, <0 146 0>; - interrupt-names = "tx", "rx"; - - qcom,smem-state = <&apps_smsm 10>, <&apps_smsm 9>; - qcom,smem-state-names = "tx-enable", "tx-rings-empty"; - }; - }; - }; -}; - -soc { - pronto: pronto { - compatible = "qcom,pronto"; - - reg = <0xfb204000 0x2000>, <0xfb202000 0x1000>, <0xfb21b000 0x3000>; - reg-names = "ccu", "dxe", "pmu"; - }; -}; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,wcnss.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,wcnss.yaml new file mode 100644 index 000000000000..d891ecfb2691 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,wcnss.yaml @@ -0,0 +1,137 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom,wcnss.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm WCNSS + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + +description: + The Qualcomm WCNSS hardware consists of control block and a BT, WiFi and FM + radio block, all using SMD as command channels. + +properties: + compatible: + const: qcom,wcnss + + firmware-name: + $ref: /schemas/types.yaml#/definitions/string + default: "wlan/prima/WCNSS_qcom_wlan_nv.bin" + description: + Relative firmware image path for the WLAN NV blob. + + qcom,mmio: + $ref: /schemas/types.yaml#/definitions/phandle + description: | + Reference to a node specifying the wcnss "ccu" and "dxe" register blocks. + The node must be compatible with one of the following:: + - qcom,riva" + - qcom,pronto" + + qcom,smd-channels: + $ref: /schemas/types.yaml#/definitions/string + const: WCNSS_CTRL + description: + Standard SMD property specifying the SMD channel used for communication + with the WiFi firmware. + + bluetooth: + type: object + additionalProperties: false + properties: + compatible: + const: qcom,wcnss-bt + + local-bd-address: + $ref: /schemas/types.yaml#/definitions/uint8-array + maxItems: 6 + description: + See Documentation/devicetree/bindings/net/bluetooth.txt + + required: + - compatible + + wifi: + additionalProperties: false + type: object + properties: + compatible: + const: qcom,wcnss-wlan + + interrupts: + maxItems: 2 + + interrupt-names: + items: + - const: tx + - const: rx + + qcom,smem-states: + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 2 + description: + Should reference the tx-enable and tx-rings-empty SMEM states. + + qcom,smem-state-names: + $ref: /schemas/types.yaml#/definitions/string-array + items: + - const: tx-enable + - const: tx-rings-empty + description: + Names of SMEM states. + + required: + - compatible + - interrupts + - interrupt-names + - qcom,smem-states + - qcom,smem-state-names + +required: + - compatible + - qcom,mmio + - qcom,smd-channels + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + smd-edge { + interrupts = <GIC_SPI 142 IRQ_TYPE_EDGE_RISING>; + + qcom,ipc = <&apcs 8 17>; + qcom,smd-edge = <6>; + qcom,remote-pid = <4>; + + label = "pronto"; + + wcnss { + compatible = "qcom,wcnss"; + qcom,smd-channels = "WCNSS_CTRL"; + + qcom,mmio = <&pronto>; + + bluetooth { + compatible = "qcom,wcnss-bt"; + /* BD address 00:11:22:33:44:55 */ + local-bd-address = [ 55 44 33 22 11 00 ]; + }; + + wifi { + compatible = "qcom,wcnss-wlan"; + + interrupts = <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "tx", "rx"; + + qcom,smem-states = <&apps_smsm 10>, <&apps_smsm 9>; + qcom,smem-state-names = "tx-enable", "tx-rings-empty"; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/rpmh-rsc.txt b/Documentation/devicetree/bindings/soc/qcom/rpmh-rsc.txt deleted file mode 100644 index 9b86d1eff219..000000000000 --- a/Documentation/devicetree/bindings/soc/qcom/rpmh-rsc.txt +++ /dev/null @@ -1,137 +0,0 @@ -RPMH RSC: ------------- - -Resource Power Manager Hardened (RPMH) is the mechanism for communicating with -the hardened resource accelerators on Qualcomm SoCs. Requests to the resources -can be written to the Trigger Command Set (TCS) registers and using a (addr, -val) pair and triggered. Messages in the TCS are then sent in sequence over an -internal bus. - -The hardware block (Direct Resource Voter or DRV) is a part of the h/w entity -(Resource State Coordinator a.k.a RSC) that can handle multiple sleep and -active/wake resource requests. Multiple such DRVs can exist in a SoC and can -be written to from Linux. The structure of each DRV follows the same template -with a few variations that are captured by the properties here. - -A TCS may be triggered from Linux or triggered by the F/W after all the CPUs -have powered off to facilitate idle power saving. TCS could be classified as - - - ACTIVE /* Triggered by Linux */ - SLEEP /* Triggered by F/W */ - WAKE /* Triggered by F/W */ - CONTROL /* Triggered by F/W */ - -The order in which they are described in the DT, should match the hardware -configuration. - -Requests can be made for the state of a resource, when the subsystem is active -or idle. When all subsystems like Modem, GPU, CPU are idle, the resource state -will be an aggregate of the sleep votes from each of those subsystems. Clients -may request a sleep value for their shared resources in addition to the active -mode requests. - -Properties: - -- compatible: - Usage: required - Value type: <string> - Definition: Should be "qcom,rpmh-rsc". - -- reg: - Usage: required - Value type: <prop-encoded-array> - Definition: The first register specifies the base address of the - DRV(s). The number of DRVs in the dependent on the RSC. - The tcs-offset specifies the start address of the - TCS in the DRVs. - -- reg-names: - Usage: required - Value type: <string> - Definition: Maps the register specified in the reg property. Must be - "drv-0", "drv-1", "drv-2" etc and "tcs-offset". The - -- interrupts: - Usage: required - Value type: <prop-encoded-interrupt> - Definition: The interrupt that trips when a message complete/response - is received for this DRV from the accelerators. - -- qcom,drv-id: - Usage: required - Value type: <u32> - Definition: The id of the DRV in the RSC block that will be used by - this controller. - -- qcom,tcs-config: - Usage: required - Value type: <prop-encoded-array> - Definition: The tuple defining the configuration of TCS. - Must have 2 cells which describe each TCS type. - <type number_of_tcs>. - The order of the TCS must match the hardware - configuration. - - Cell #1 (TCS Type): TCS types to be specified - - ACTIVE_TCS - SLEEP_TCS - WAKE_TCS - CONTROL_TCS - - Cell #2 (Number of TCS): <u32> - -- label: - Usage: optional - Value type: <string> - Definition: Name for the RSC. The name would be used in trace logs. - -Drivers that want to use the RSC to communicate with RPMH must specify their -bindings as child nodes of the RSC controllers they wish to communicate with. - -Example 1: - -For a TCS whose RSC base address is is 0x179C0000 and is at a DRV id of 2, the -register offsets for DRV2 start at 0D00, the register calculations are like -this - -DRV0: 0x179C0000 -DRV2: 0x179C0000 + 0x10000 = 0x179D0000 -DRV2: 0x179C0000 + 0x10000 * 2 = 0x179E0000 -TCS-OFFSET: 0xD00 - - apps_rsc: rsc@179c0000 { - label = "apps_rsc"; - compatible = "qcom,rpmh-rsc"; - reg = <0x179c0000 0x10000>, - <0x179d0000 0x10000>, - <0x179e0000 0x10000>; - reg-names = "drv-0", "drv-1", "drv-2"; - interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>; - qcom,tcs-offset = <0xd00>; - qcom,drv-id = <2>; - qcom,tcs-config = <ACTIVE_TCS 2>, - <SLEEP_TCS 3>, - <WAKE_TCS 3>, - <CONTROL_TCS 1>; - }; - -Example 2: - -For a TCS whose RSC base address is 0xAF20000 and is at DRV id of 0, the -register offsets for DRV0 start at 01C00, the register calculations are like -this - -DRV0: 0xAF20000 -TCS-OFFSET: 0x1C00 - - disp_rsc: rsc@af20000 { - label = "disp_rsc"; - compatible = "qcom,rpmh-rsc"; - reg = <0xaf20000 0x10000>; - reg-names = "drv-0"; - interrupts = <GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>; - qcom,tcs-offset = <0x1c00>; - qcom,drv-id = <0>; - qcom,tcs-config = <ACTIVE_TCS 0>, - <SLEEP_TCS 1>, - <WAKE_TCS 1>, - <CONTROL_TCS 0>; - }; diff --git a/Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.txt b/Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.txt deleted file mode 100644 index c8c1e913f4e7..000000000000 --- a/Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.txt +++ /dev/null @@ -1,39 +0,0 @@ -GENI based Qualcomm Universal Peripheral (QUP) Serial Peripheral Interface (SPI) - -The QUP v3 core is a GENI based AHB slave that provides a common data path -(an output FIFO and an input FIFO) for serial peripheral interface (SPI) -mini-core. - -SPI in master mode supports up to 50MHz, up to four chip selects, programmable -data path from 4 bits to 32 bits and numerous protocol variants. - -Required properties: -- compatible: Must contain "qcom,geni-spi". -- reg: Must contain SPI register location and length. -- interrupts: Must contain SPI controller interrupts. -- clock-names: Must contain "se". -- clocks: Serial engine core clock needed by the device. -- #address-cells: Must be <1> to define a chip select address on - the SPI bus. -- #size-cells: Must be <0>. - -SPI Controller nodes must be child of GENI based Qualcomm Universal -Peripharal. Please refer GENI based QUP wrapper controller node bindings -described in Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml. - -SPI slave nodes must be children of the SPI master node and conform to SPI bus -binding as described in Documentation/devicetree/bindings/spi/spi-bus.txt. - -Example: - spi0: spi@a84000 { - compatible = "qcom,geni-spi"; - reg = <0xa84000 0x4000>; - interrupts = <GIC_SPI 354 IRQ_TYPE_LEVEL_HIGH>; - clock-names = "se"; - clocks = <&clock_gcc GCC_QUPV3_WRAP0_S0_CLK>; - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&qup_1_spi_2_active>; - pinctrl-1 = <&qup_1_spi_2_sleep>; - #address-cells = <1>; - #size-cells = <0>; - }; diff --git a/Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.yaml b/Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.yaml new file mode 100644 index 000000000000..e2c7b934c50d --- /dev/null +++ b/Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.yaml @@ -0,0 +1,116 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/qcom,spi-geni-qcom.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: GENI based Qualcomm Universal Peripheral (QUP) Serial Peripheral Interface (SPI) + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> + +description: + The QUP v3 core is a GENI based AHB slave that provides a common data path + (an output FIFO and an input FIFO) for serial peripheral interface (SPI) + mini-core. + + SPI in master mode supports up to 50MHz, up to four chip selects, + programmable data path from 4 bits to 32 bits and numerous protocol variants. + + SPI Controller nodes must be child of GENI based Qualcomm Universal + Peripharal. Please refer GENI based QUP wrapper controller node bindings + described in Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml. + +allOf: + - $ref: /schemas/spi/spi-controller.yaml# + +properties: + compatible: + const: qcom,geni-spi + + clocks: + maxItems: 1 + + clock-names: + const: se + + dmas: + maxItems: 2 + + dma-names: + items: + - const: tx + - const: rx + + interconnects: + maxItems: 2 + + interconnect-names: + items: + - const: qup-core + - const: qup-config + + interrupts: + maxItems: 1 + + operating-points-v2: true + + power-domains: + maxItems: 1 + + reg: + maxItems: 1 + +required: + - compatible + - clocks + - clock-names + - interrupts + - reg + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-sc7180.h> + #include <dt-bindings/interconnect/qcom,sc7180.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/power/qcom-rpmpd.h> + + spi@880000 { + compatible = "qcom,geni-spi"; + reg = <0x00880000 0x4000>; + clock-names = "se"; + clocks = <&gcc GCC_QUPV3_WRAP0_S0_CLK>; + pinctrl-names = "default"; + pinctrl-0 = <&qup_spi0_default>; + interrupts = <GIC_SPI 601 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <1>; + #size-cells = <0>; + power-domains = <&rpmhpd SC7180_CX>; + operating-points-v2 = <&qup_opp_table>; + interconnects = <&qup_virt MASTER_QUP_CORE_0 0 &qup_virt SLAVE_QUP_CORE_0 0>, + <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_0 0>; + interconnect-names = "qup-core", "qup-config"; + }; + + - | + #include <dt-bindings/dma/qcom-gpi.h> + + spi@884000 { + compatible = "qcom,geni-spi"; + reg = <0x00884000 0x4000>; + clock-names = "se"; + clocks = <&gcc GCC_QUPV3_WRAP0_S1_CLK>; + dmas = <&gpi_dma0 0 1 QCOM_GPI_SPI>, + <&gpi_dma0 1 1 QCOM_GPI_SPI>; + dma-names = "tx", "rx"; + pinctrl-names = "default"; + pinctrl-0 = <&qup_spi1_default>; + interrupts = <GIC_SPI 602 IRQ_TYPE_LEVEL_HIGH>; + spi-max-frequency = <50000000>; + #address-cells = <1>; + #size-cells = <0>; + }; |