diff options
Diffstat (limited to 'Documentation')
15 files changed, 522 insertions, 19 deletions
diff --git a/Documentation/ABI/stable/sysfs-block b/Documentation/ABI/stable/sysfs-block index 803f578dc023..0ddffc9133d0 100644 --- a/Documentation/ABI/stable/sysfs-block +++ b/Documentation/ABI/stable/sysfs-block @@ -731,7 +731,7 @@ Contact: linux-block@vger.kernel.org Description: [RW] If the device is registered for writeback throttling, then this file shows the target minimum read latency. If this latency - is exceeded in a given window of time (see wb_window_usec), then + is exceeded in a given window of time (see curr_win_nsec), then the writeback throttling will start scaling back writes. Writing a value of '0' to this file disables the feature. Writing a value of '-1' to this file resets the value to the default diff --git a/Documentation/accel/index.rst b/Documentation/accel/index.rst index bc85f26533d8..d8fa332d60a8 100644 --- a/Documentation/accel/index.rst +++ b/Documentation/accel/index.rst @@ -10,6 +10,7 @@ Compute Accelerators introduction amdxdna/index qaic/index + rocket/index .. only:: subproject and html diff --git a/Documentation/accel/rocket/index.rst b/Documentation/accel/rocket/index.rst new file mode 100644 index 000000000000..70f97bccf100 --- /dev/null +++ b/Documentation/accel/rocket/index.rst @@ -0,0 +1,19 @@ +.. SPDX-License-Identifier: GPL-2.0-only + +===================================== + accel/rocket Rockchip NPU driver +===================================== + +The accel/rocket driver supports the Neural Processing Units (NPUs) inside some +Rockchip SoCs such as the RK3588. Rockchip calls it RKNN and sometimes RKNPU. + +The hardware is described in chapter 36 in the RK3588 TRM. + +This driver just powers the hardware on and off, allocates and maps buffers to +the device and submits jobs to the frontend unit. Everything else is done in +userspace, as a Gallium driver (also called rocket) that is part of the Mesa3D +project. + +Hardware currently supported: + +* RK3588 diff --git a/Documentation/admin-guide/blockdev/zoned_loop.rst b/Documentation/admin-guide/blockdev/zoned_loop.rst index 9c7aa3b482f3..64dcfde7450a 100644 --- a/Documentation/admin-guide/blockdev/zoned_loop.rst +++ b/Documentation/admin-guide/blockdev/zoned_loop.rst @@ -79,7 +79,7 @@ zone_capacity_mb Device zone capacity (must always be equal to or lower than the zone size. Default: zone size. conv_zones Total number of conventioanl zones starting from sector 0. Default: 8. -base_dir Path to the base directoy where to create the directory +base_dir Path to the base directory where to create the directory containing the zone files of the device. Default=/var/local/zloop. The device directory containing the zone files is always diff --git a/Documentation/admin-guide/hw-vuln/attack_vector_controls.rst b/Documentation/admin-guide/hw-vuln/attack_vector_controls.rst index b4de16f5ec44..6dd0800146f6 100644 --- a/Documentation/admin-guide/hw-vuln/attack_vector_controls.rst +++ b/Documentation/admin-guide/hw-vuln/attack_vector_controls.rst @@ -214,7 +214,7 @@ Spectre_v1 X Spectre_v2 X X Spectre_v2_user X X * (Note 1) SRBDS X X X X -SRSO X X +SRSO X X X X SSB (Note 4) TAA X X X X * (Note 2) TSA X X X X diff --git a/Documentation/devicetree/bindings/display/bridge/solomon,ssd2825.yaml b/Documentation/devicetree/bindings/display/bridge/solomon,ssd2825.yaml new file mode 100644 index 000000000000..e2d293d623b8 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/solomon,ssd2825.yaml @@ -0,0 +1,141 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/solomon,ssd2825.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Solomon SSD2825 RGB to MIPI-DSI bridge + +maintainers: + - Svyatoslav Ryhel <clamor95@gmail.com> + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +properties: + compatible: + const: solomon,ssd2825 + + reg: + maxItems: 1 + + reset-gpios: true + + dvdd-supply: + description: Regulator for 1.2V digital power supply. + + avdd-supply: + description: Regulator for 1.2V analog power supply. + + vddio-supply: + description: Regulator for 1.8V IO power supply. + + spi-max-frequency: + maximum: 1000000 + + spi-cpha: true + spi-cpol: true + + clocks: + maxItems: 1 + description: Reference TX_CLK used before PLL is locked. + + solomon,hs-zero-delay-ns: + description: + HS zero delay period + minimum: 0 + maximum: 1700 + default: 133 + + solomon,hs-prep-delay-ns: + description: + HS prep delay period + minimum: 0 + maximum: 1728 + default: 40 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: + Video port for RGB input + + properties: + endpoint: + $ref: /schemas/graph.yaml#/$defs/endpoint-base + unevaluatedProperties: false + + properties: + bus-width: + enum: [ 16, 18, 24 ] + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: + Video port for DSI output (panel or connector) + + required: + - port@0 + - port@1 + +required: + - compatible + - ports + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + + dsi@2 { + compatible = "solomon,ssd2825"; + reg = <2>; + + spi-max-frequency = <1000000>; + + spi-cpha; + spi-cpol; + + reset-gpios = <&gpio 114 GPIO_ACTIVE_LOW>; + + dvdd-supply = <&vdd_1v2>; + avdd-supply = <&vdd_1v2>; + vddio-supply = <&vdd_1v8_io>; + + solomon,hs-zero-delay-ns = <300>; + solomon,hs-prep-delay-ns = <65>; + + clocks = <&ssd2825_tx_clk>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + bridge_input: endpoint { + remote-endpoint = <&dpi_output>; + bus-width = <24>; + }; + }; + + port@1 { + reg = <1>; + + bridge_output: endpoint { + remote-endpoint = <&panel_input>; + }; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/display/bridge/waveshare,dsi2dpi.yaml b/Documentation/devicetree/bindings/display/bridge/waveshare,dsi2dpi.yaml new file mode 100644 index 000000000000..5e8498c8303d --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/waveshare,dsi2dpi.yaml @@ -0,0 +1,103 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/waveshare,dsi2dpi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Waveshare MIPI-DSI to DPI Converter bridge + +maintainers: + - Joseph Guo <qijian.guo@nxp.com> + +description: + Waveshare bridge board is part of Waveshare panel which converts DSI to DPI. + +properties: + compatible: + const: waveshare,dsi2dpi + + reg: + maxItems: 1 + description: base I2C address of the device + + power-supply: true + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: + Video port for MIPI DSI input + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + description: array of physical DSI data lane indexes. + items: + - const: 1 + - const: 2 + + required: + - data-lanes + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: + Video port for MIPI DPI output panel. + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - ports + - power-supply + +additionalProperties: false + +examples: + - | + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + bridge@45 { + compatible = "waveshare,dsi2dpi"; + reg = <0x45>; + power-supply = <®_3p3v>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + waveshare_from_dsim: endpoint { + data-lanes = <1 2>; + remote-endpoint = <&dsim_to_waveshare>; + }; + }; + + port@1 { + reg = <1>; + + waveshare_to_panel: endpoint { + remote-endpoint = <&panel_to_waveshare>; + }; + }; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/display/panel/hydis,hv101hd1.yaml b/Documentation/devicetree/bindings/display/panel/hydis,hv101hd1.yaml new file mode 100644 index 000000000000..f429e84ee65d --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/hydis,hv101hd1.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/hydis,hv101hd1.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Hydis HV101HD1 DSI Display Panel + +maintainers: + - Svyatoslav Ryhel <clamor95@gmail.com> + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + const: hydis,hv101hd1 + + reg: + maxItems: 1 + + vdd-supply: true + vio-supply: true + + backlight: true + port: true + +required: + - compatible + - vdd-supply + - vio-supply + - backlight + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + dsi { + #address-cells = <1>; + #size-cells = <0>; + + panel@0 { + compatible = "hydis,hv101hd1"; + reg = <0>; + + vdd-supply = <&vdd_lcd>; + vio-supply = <&vddio_lcd>; + + backlight = <&backlight>; + + port { + panel_in: endpoint { + remote-endpoint = <&dsi_out>; + }; + }; + }; + }; +... diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml index 1ac1f0219079..5e8dc9afa1fd 100644 --- a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml +++ b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml @@ -236,6 +236,8 @@ properties: - okaya,rs800480t-7x0gp # Olimex 4.3" TFT LCD panel - olimex,lcd-olinuxino-43-ts + # Olimex 5.0" TFT LCD panel + - olimex,lcd-olinuxino-5-cts # On Tat Industrial Company 5" DPI TFT panel. - ontat,kd50g21-40nt-a1 # On Tat Industrial Company 7" DPI TFT panel. @@ -321,6 +323,10 @@ properties: - vivax,tpc9150-panel # VXT 800x480 color TFT LCD panel - vxt,vl050-8048nt-c01 + # Waveshare 13.3" FHD (1920x1080) LCD panel + - waveshare,13.3inch-panel + # Waveshare 7.0" WSVGA (1024x600) LCD panel + - waveshare,7.0inch-c-panel # Winstar Display Corporation 3.5" QVGA (320x240) TFT LCD panel - winstar,wf35ltiacd # Yes Optoelectronics YTC700TLAG-05-201C 7" TFT LCD panel diff --git a/Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml b/Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml index e36659340ef3..ccb574caed28 100644 --- a/Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml +++ b/Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml @@ -21,6 +21,10 @@ properties: - enum: # Samsung 13" 3K (2880×1920 pixels) eDP AMOLED panel - samsung,atna30dw01 + # Samsung 14" FHD+ (1920x1200 pixels) eDP AMOLED panel + - samsung,atna40ct06 + # Samsung 14" WQXGA+ (2880x1800 pixels) eDP AMOLED panel + - samsung,atna40cu11 # Samsung 14" WQXGA+ (2880×1800 pixels) eDP AMOLED panel - samsung,atna40yk20 # Samsung 14.5" WQXGA+ (2880x1800 pixels) eDP AMOLED panel diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6e8aa5x01-ams561ra01.yaml b/Documentation/devicetree/bindings/display/panel/samsung,s6e8aa5x01-ams561ra01.yaml new file mode 100644 index 000000000000..eccfc66d7fe2 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/samsung,s6e8aa5x01-ams561ra01.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/samsung,s6e8aa5x01-ams561ra01.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung AMS561RA01 panel with S6E8AA5X01 controller + +maintainers: + - Kaustabh Chakraborty <kauschluss@disroot.org> + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + const: samsung,s6e8aa5x01-ams561ra01 + + reg: + maxItems: 1 + + vdd-supply: + description: core voltage supply + + vci-supply: + description: voltage supply for analog circuits + + reset-gpios: true + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + dsi { + #address-cells = <1>; + #size-cells = <0>; + + panel@0 { + compatible = "samsung,s6e8aa5x01-ams561ra01"; + reg = <0>; + + vdd-supply = <&panel_vdd_reg>; + vci-supply = <&panel_vci_reg>; + + reset-gpios = <&gpd3 4 GPIO_ACTIVE_HIGH>; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml b/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml index 6d9de3303762..b3492a9aa4ef 100644 --- a/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml +++ b/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml @@ -62,11 +62,13 @@ properties: items: - description: GMAC main clock - description: Peripheral registers interface clock + - description: APB glue registers interface clock clock-names: items: - const: stmmaceth - const: pclk + - const: apb interrupts: items: @@ -88,8 +90,8 @@ examples: compatible = "thead,th1520-gmac", "snps,dwmac-3.70a"; reg = <0xe7070000 0x2000>, <0xec003000 0x1000>; reg-names = "dwmac", "apb"; - clocks = <&clk 1>, <&clk 2>; - clock-names = "stmmaceth", "pclk"; + clocks = <&clk 1>, <&clk 2>, <&clk 3>; + clock-names = "stmmaceth", "pclk", "apb"; interrupts = <66>; interrupt-names = "macirq"; phy-mode = "rgmii-id"; diff --git a/Documentation/devicetree/bindings/npu/rockchip,rk3588-rknn-core.yaml b/Documentation/devicetree/bindings/npu/rockchip,rk3588-rknn-core.yaml new file mode 100644 index 000000000000..caca2a4903cd --- /dev/null +++ b/Documentation/devicetree/bindings/npu/rockchip,rk3588-rknn-core.yaml @@ -0,0 +1,112 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/npu/rockchip,rk3588-rknn-core.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Neural Processing Unit IP from Rockchip + +maintainers: + - Tomeu Vizoso <tomeu@tomeuvizoso.net> + +description: + Rockchip IP for accelerating inference of neural networks. + + There is to be a node per each NPU core in the SoC, and each core should reference all the + resources that it needs to function, such as clocks, power domains, and resets. + +properties: + $nodename: + pattern: '^npu@[a-f0-9]+$' + + compatible: + enum: + - rockchip,rk3588-rknn-core + + reg: + maxItems: 3 + + reg-names: + items: + - const: pc # Program Control-related registers + - const: cna # Convolution Neural Network Accelerator registers + - const: core # Main NPU core processing unit registers + + clocks: + maxItems: 4 + + clock-names: + items: + - const: aclk + - const: hclk + - const: npu + - const: pclk + + interrupts: + maxItems: 1 + + iommus: + maxItems: 1 + + npu-supply: true + + power-domains: + maxItems: 1 + + resets: + maxItems: 2 + + reset-names: + items: + - const: srst_a + - const: srst_h + + sram-supply: true + +required: + - compatible + - reg + - reg-names + - clocks + - clock-names + - interrupts + - iommus + - power-domains + - resets + - reset-names + - npu-supply + - sram-supply + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/rockchip,rk3588-cru.h> + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/power/rk3588-power.h> + #include <dt-bindings/reset/rockchip,rk3588-cru.h> + + bus { + #address-cells = <2>; + #size-cells = <2>; + + npu@fdab0000 { + compatible = "rockchip,rk3588-rknn-core"; + reg = <0x0 0xfdab0000 0x0 0x1000>, + <0x0 0xfdab1000 0x0 0x1000>, + <0x0 0xfdab3000 0x0 0x1000>; + reg-names = "pc", "cna", "core"; + clocks = <&cru ACLK_NPU0>, <&cru HCLK_NPU0>, + <&scmi_clk SCMI_CLK_NPU>, <&cru PCLK_NPU_ROOT>; + clock-names = "aclk", "hclk", "npu", "pclk"; + interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH 0>; + iommus = <&rknn_mmu_0>; + npu-supply = <&vdd_npu_s0>; + power-domains = <&power RK3588_PD_NPUTOP>; + resets = <&cru SRST_A_RKNN0>, <&cru SRST_H_RKNN0>; + reset-names = "srst_a", "srst_h"; + sram-supply = <&vdd_npu_mem_s0>; + }; + }; +... diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index be8637da3fe9..92db80793bba 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -497,19 +497,19 @@ Contact: Douglas Anderson <dianders@chromium.org> Level: Intermediate -Transition away from using mipi_dsi_*_write_seq() -------------------------------------------------- - -The macros mipi_dsi_generic_write_seq() and mipi_dsi_dcs_write_seq() are -non-intuitive because, if there are errors, they return out of the *caller's* -function. We should move all callers to use mipi_dsi_generic_write_seq_multi() -and mipi_dsi_dcs_write_seq_multi() macros instead. - -Once all callers are transitioned, the macros and the functions that they call, -mipi_dsi_generic_write_chatty() and mipi_dsi_dcs_write_buffer_chatty(), can -probably be removed. Alternatively, if people feel like the _multi() variants -are overkill for some use cases, we could keep the mipi_dsi_*_write_seq() -variants but change them not to return out of the caller. +Transition away from using deprecated MIPI DSI functions +-------------------------------------------------------- + +There are many functions defined in ``drm_mipi_dsi.c`` which have been +deprecated. Each deprecated function was deprecated in favor of its `multi` +variant (e.g. `mipi_dsi_generic_write()` and `mipi_dsi_generic_write_multi()`). +The `multi` variant of a function includes improved error handling and logic +which makes it more convenient to make several calls in a row, as most MIPI +drivers do. + +Drivers should be updated to use undeprecated functions. Once all usages of the +deprecated MIPI DSI functions have been removed, their definitions may be +removed from ``drm_mipi_dsi.c``. Contact: Douglas Anderson <dianders@chromium.org> diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst index bb620f554598..9756d16e3df1 100644 --- a/Documentation/networking/ip-sysctl.rst +++ b/Documentation/networking/ip-sysctl.rst @@ -1420,7 +1420,7 @@ udp_hash_entries - INTEGER A negative value means the networking namespace does not own its hash buckets and shares the initial networking namespace's one. -udp_child_ehash_entries - INTEGER +udp_child_hash_entries - INTEGER Control the number of hash buckets for UDP sockets in the child networking namespace, which must be set before clone() or unshare(). |