From 50746eb488d20b42f840f34b16ca98c1696d9c62 Mon Sep 17 00:00:00 2001 From: Beniamino Galvani Date: Tue, 20 Jan 2015 00:22:57 +0100 Subject: of: Add vendor prefix for MINIX Add MINIX Technology Limited to the list of device tree vendor prefixes. The company manufactures digital media players and mini-ITX motherboards. Signed-off-by: Beniamino Galvani Signed-off-by: Carlo Caione --- Documentation/devicetree/bindings/vendor-prefixes.txt | 1 + 1 file changed, 1 insertion(+) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 389ca1347a77..aeb5bb5b7791 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -112,6 +112,7 @@ merrii Merrii Technology Co., Ltd. micrel Micrel Inc. microchip Microchip Technology Inc. micron Micron Technology Inc. +minix MINIX Technology Ltd. mitsubishi Mitsubishi Electric Corporation mosaixtech Mosaix Technologies, Inc. moxa Moxa -- cgit v1.2.3 From 3cada3a4daeee52499751f0bf350b6b0655c32ef Mon Sep 17 00:00:00 2001 From: Beniamino Galvani Date: Tue, 20 Jan 2015 00:22:58 +0100 Subject: of: Define board compatible for MINIX NEO-X8 Document the board compatible property for MINIX NEO-X8, a Meson8-based digital media player. While at it, move the other existing Meson board compatible to amlogic.txt. Signed-off-by: Beniamino Galvani Signed-off-by: Carlo Caione --- Documentation/devicetree/bindings/arm/amlogic.txt | 4 ++++ Documentation/devicetree/bindings/arm/geniatech.txt | 5 ----- 2 files changed, 4 insertions(+), 5 deletions(-) delete mode 100644 Documentation/devicetree/bindings/arm/geniatech.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/arm/amlogic.txt b/Documentation/devicetree/bindings/arm/amlogic.txt index 8fe815046140..973884a1bacf 100644 --- a/Documentation/devicetree/bindings/arm/amlogic.txt +++ b/Documentation/devicetree/bindings/arm/amlogic.txt @@ -8,3 +8,7 @@ Boards with the Amlogic Meson6 SoC shall have the following properties: Boards with the Amlogic Meson8 SoC shall have the following properties: Required root node property: compatible: "amlogic,meson8"; + +Board compatible values: + - "geniatech,atv1200" + - "minix,neo-x8" diff --git a/Documentation/devicetree/bindings/arm/geniatech.txt b/Documentation/devicetree/bindings/arm/geniatech.txt deleted file mode 100644 index 74ccba40b73b..000000000000 --- a/Documentation/devicetree/bindings/arm/geniatech.txt +++ /dev/null @@ -1,5 +0,0 @@ -Geniatech platforms device tree bindings -------------------------------------------- - -Geniatech ATV1200 - - compatible = "geniatech,atv1200" -- cgit v1.2.3 From e9d119a1faa5bb386953283748999dc970bc255d Mon Sep 17 00:00:00 2001 From: Thomas Petazzoni Date: Tue, 3 Mar 2015 15:41:04 +0100 Subject: devicetree: bindings: add DT binding for the Marvell Armada 39x SoC family The Marvell Armada 39x is a family of two SoCs: the Armada 390 and the Armada 398, with a slightly different number of interfaces. This commit introduces the Device Tree binding that documents the top-level compatible strings for Armada 39x based platforms. Signed-off-by: Thomas Petazzoni Acked-by: Gregory CLEMENT Signed-off-by: Gregory CLEMENT --- Documentation/devicetree/bindings/arm/armada-39x.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/armada-39x.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/arm/armada-39x.txt b/Documentation/devicetree/bindings/arm/armada-39x.txt new file mode 100644 index 000000000000..53d4ff9ea8ad --- /dev/null +++ b/Documentation/devicetree/bindings/arm/armada-39x.txt @@ -0,0 +1,20 @@ +Marvell Armada 39x Platforms Device Tree Bindings +------------------------------------------------- + +Boards with a SoC of the Marvell Armada 39x family shall have the +following property: + +Required root node property: + + - compatible: must contain "marvell,armada390" + +In addition, boards using the Marvell Armada 398 SoC shall have the +following property before the previous one: + +Required root node property: + +compatible: must contain "marvell,armada398" + +Example: + +compatible = "marvell,a398-db", "marvell,armada398", "marvell,armada390"; -- cgit v1.2.3 From 007fa9467f8f5607bb36b4a2bf31316a7e5b06ff Mon Sep 17 00:00:00 2001 From: Thomas Petazzoni Date: Tue, 3 Mar 2015 15:41:07 +0100 Subject: devicetree: bindings: add new SMP enable method for Marvell Armada 39x This commit updates the ARM CPUs Device Tree binding to document a new enable method of Marvell Armada 39x processors. Signed-off-by: Thomas Petazzoni Signed-off-by: Gregory CLEMENT --- Documentation/devicetree/bindings/arm/cpus.txt | 1 + 1 file changed, 1 insertion(+) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/arm/cpus.txt b/Documentation/devicetree/bindings/arm/cpus.txt index 8b9e0a95de31..6aa331d11c5e 100644 --- a/Documentation/devicetree/bindings/arm/cpus.txt +++ b/Documentation/devicetree/bindings/arm/cpus.txt @@ -192,6 +192,7 @@ nodes to be present and contain the properties described below. "brcm,brahma-b15" "marvell,armada-375-smp" "marvell,armada-380-smp" + "marvell,armada-390-smp" "marvell,armada-xp-smp" "qcom,gcc-msm8660" "qcom,kpss-acc-v1" -- cgit v1.2.3 From 0d9ab18e337609b010800ac493c588b0a24c2dd2 Mon Sep 17 00:00:00 2001 From: Thomas Petazzoni Date: Tue, 3 Mar 2015 15:41:13 +0100 Subject: Documentation: arm: update supported Marvell EBU processors Now that we support Armada 39x, let's add this family of SoC to the Marvell documentation, and a reference to a link with more details about those processors. Unfortunately, no datasheet is publicly available at this time. Signed-off-by: Thomas Petazzoni Signed-off-by: Gregory CLEMENT --- Documentation/arm/Marvell/README | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'Documentation') diff --git a/Documentation/arm/Marvell/README b/Documentation/arm/Marvell/README index 17453794fca5..18a775d10172 100644 --- a/Documentation/arm/Marvell/README +++ b/Documentation/arm/Marvell/README @@ -96,6 +96,11 @@ EBU Armada family 88F6820 88F6828 + Armada 390/398 Flavors: + 88F6920 + 88F6928 + Product infos: http://www.marvell.com/embedded-processors/armada-39x/ + Armada XP Flavors: MV78230 MV78260 -- cgit v1.2.3 From 58e4a668be82362c32577ef08e06c8a292e3a457 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Mon, 23 Feb 2015 18:40:11 +0100 Subject: Documentation: Add device tree bindings for Freescale i.MX GPC The i.MX6 contains a power controller that controls power gating and sequencing for the SoC's power domains. Signed-off-by: Philipp Zabel Signed-off-by: Shawn Guo --- .../devicetree/bindings/power/fsl,imx-gpc.txt | 59 ++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/fsl,imx-gpc.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/power/fsl,imx-gpc.txt b/Documentation/devicetree/bindings/power/fsl,imx-gpc.txt new file mode 100644 index 000000000000..65cc0345747d --- /dev/null +++ b/Documentation/devicetree/bindings/power/fsl,imx-gpc.txt @@ -0,0 +1,59 @@ +Freescale i.MX General Power Controller +======================================= + +The i.MX6Q General Power Control (GPC) block contains DVFS load tracking +counters and Power Gating Control (PGC) for the CPU and PU (GPU/VPU) power +domains. + +Required properties: +- compatible: Should be "fsl,imx6q-gpc" or "fsl,imx6sl-gpc" +- reg: should be register base and length as documented in the + datasheet +- interrupts: Should contain GPC interrupt request 1 +- pu-supply: Link to the LDO regulator powering the PU power domain +- clocks: Clock phandles to devices in the PU power domain that need + to be enabled during domain power-up for reset propagation. +- #power-domain-cells: Should be 1, see below: + +The gpc node is a power-controller as documented by the generic power domain +bindings in Documentation/devicetree/bindings/power/power_domain.txt. + +Example: + + gpc: gpc@020dc000 { + compatible = "fsl,imx6q-gpc"; + reg = <0x020dc000 0x4000>; + interrupts = <0 89 IRQ_TYPE_LEVEL_HIGH>, + <0 90 IRQ_TYPE_LEVEL_HIGH>; + pu-supply = <®_pu>; + clocks = <&clks IMX6QDL_CLK_GPU3D_CORE>, + <&clks IMX6QDL_CLK_GPU3D_SHADER>, + <&clks IMX6QDL_CLK_GPU2D_CORE>, + <&clks IMX6QDL_CLK_GPU2D_AXI>, + <&clks IMX6QDL_CLK_OPENVG_AXI>, + <&clks IMX6QDL_CLK_VPU_AXI>; + #power-domain-cells = <1>; + }; + + +Specifying power domain for IP modules +====================================== + +IP cores belonging to a power domain should contain a 'power-domains' property +that is a phandle pointing to the gpc device node and a DOMAIN_INDEX specifying +the power domain the device belongs to. + +Example of a device that is part of the PU power domain: + + vpu: vpu@02040000 { + reg = <0x02040000 0x3c000>; + /* ... */ + power-domains = <&gpc 1>; + /* ... */ + }; + +The following DOMAIN_INDEX values are valid for i.MX6Q: +ARM_DOMAIN 0 +PU_DOMAIN 1 +The following additional DOMAIN_INDEX value is valid for i.MX6SL: +DISPLAY_DOMAIN 2 -- cgit v1.2.3 From 60f9e37ac6aa15c85a3bd92fb76669e66f554d6c Mon Sep 17 00:00:00 2001 From: Tsahee Zidenberg Date: Thu, 12 Mar 2015 13:53:09 +0200 Subject: ARM: dts: Alpine platform binding documentation This patch introduces documentation for alpine devicetree bindings. Signed-off-by: Barak Wasserstrom Signed-off-by: Tsahee Zidenberg Acked-by: Arnd Bergmann Signed-off-by: Arnd Bergmann --- .../devicetree/bindings/arm/al,alpine.txt | 88 ++++++++++++++++++++++ .../bindings/arm/cpu-enable-method/al,alpine-smp | 52 +++++++++++++ .../devicetree/bindings/vendor-prefixes.txt | 1 + 3 files changed, 141 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/al,alpine.txt create mode 100644 Documentation/devicetree/bindings/arm/cpu-enable-method/al,alpine-smp (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/arm/al,alpine.txt b/Documentation/devicetree/bindings/arm/al,alpine.txt new file mode 100644 index 000000000000..f404a4f9b165 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/al,alpine.txt @@ -0,0 +1,88 @@ +Annapurna Labs Alpine Platform Device Tree Bindings +--------------------------------------------------------------- + +Boards in the Alpine family shall have the following properties: + +* Required root node properties: +compatible: must contain "al,alpine" + +* Example: + +/ { + model = "Annapurna Labs Alpine Dev Board"; + compatible = "al,alpine"; + + ... +} + +* CPU node: + +The Alpine platform includes cortex-a15 cores. +enable-method: must be "al,alpine-smp" to allow smp [1] + +Example: + +cpus { + #address-cells = <1>; + #size-cells = <0>; + enable-method = "al,alpine-smp"; + + cpu@0 { + compatible = "arm,cortex-a15"; + device_type = "cpu"; + reg = <0>; + }; + + cpu@1 { + compatible = "arm,cortex-a15"; + device_type = "cpu"; + reg = <1>; + }; + + cpu@2 { + compatible = "arm,cortex-a15"; + device_type = "cpu"; + reg = <2>; + }; + + cpu@3 { + compatible = "arm,cortex-a15"; + device_type = "cpu"; + reg = <3>; + }; +}; + + +* Alpine CPU resume registers + +The CPU resume register are used to define required resume address after +reset. + +Properties: +- compatible : Should contain "al,alpine-cpu-resume". +- reg : Offset and length of the register set for the device + +Example: + +cpu_resume { + compatible = "al,alpine-cpu-resume"; + reg = <0xfbff5ed0 0x30>; +}; + +* Alpine System-Fabric Service Registers + +The System-Fabric Service Registers allow various operation on CPU and +system fabric, like powering CPUs off. + +Properties: +- compatible : Should contain "al,alpine-sysfabric-service" and "syscon". +- reg : Offset and length of the register set for the device + +Example: + +nb_service { + compatible = "al,alpine-sysfabric-service", "syscon"; + reg = <0xfb070000 0x10000>; +}; + +[1] arm/cpu-enable-method/al,alpine-smp diff --git a/Documentation/devicetree/bindings/arm/cpu-enable-method/al,alpine-smp b/Documentation/devicetree/bindings/arm/cpu-enable-method/al,alpine-smp new file mode 100644 index 000000000000..c2e0cc5e4cfd --- /dev/null +++ b/Documentation/devicetree/bindings/arm/cpu-enable-method/al,alpine-smp @@ -0,0 +1,52 @@ +======================================================== +Secondary CPU enable-method "al,alpine-smp" binding +======================================================== + +This document describes the "al,alpine-smp" method for +enabling secondary CPUs. To apply to all CPUs, a single +"al,alpine-smp" enable method should be defined in the +"cpus" node. + +Enable method name: "al,alpine-smp" +Compatible machines: "al,alpine" +Compatible CPUs: "arm,cortex-a15" +Related properties: (none) + +Note: +This enable method requires valid nodes compatible with +"al,alpine-cpu-resume" and "al,alpine-nb-service"[1]. + +Example: + +cpus { + #address-cells = <1>; + #size-cells = <0>; + enable-method = "al,alpine-smp"; + + cpu@0 { + compatible = "arm,cortex-a15"; + device_type = "cpu"; + reg = <0>; + }; + + cpu@1 { + compatible = "arm,cortex-a15"; + device_type = "cpu"; + reg = <1>; + }; + + cpu@2 { + compatible = "arm,cortex-a15"; + device_type = "cpu"; + reg = <2>; + }; + + cpu@3 { + compatible = "arm,cortex-a15"; + device_type = "cpu"; + reg = <3>; + }; +}; + +-- +[1] arm/al,alpine.txt diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index aeb5bb5b7791..0c5d6bbafd69 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -11,6 +11,7 @@ adapteva Adapteva, Inc. adh AD Holdings Plc. adi Analog Devices, Inc. aeroflexgaisler Aeroflex Gaisler AB +al Annapurna Labs allwinner Allwinner Technology Co., Ltd. alphascale AlphaScale Integrated Circuits Systems, Inc. altr Altera Corp. -- cgit v1.2.3