From 02eca1737633728bdafb7ed43be7a2935e52a5d6 Mon Sep 17 00:00:00 2001 From: Erin Lo Date: Tue, 20 Oct 2015 14:34:30 +0800 Subject: [PATCH 1/4] Document: DT: Add bindings for mediatek MT2701 SoC Platform This adds a DT binding documentation for the MT2701 SoC from Mediatek. Signed-off-by: Erin Lo Acked-by: Rob Herring Signed-off-by: Matthias Brugger --- .../devicetree/bindings/arm/mediatek.txt | 4 ++++ .../interrupt-controller/mediatek,sysirq.txt | 1 + .../devicetree/bindings/serial/mtk-uart.txt | 16 ++++++++-------- .../bindings/timer/mediatek,mtk-timer.txt | 1 + .../devicetree/bindings/watchdog/mtk-wdt.txt | 6 +++++- 5 files changed, 19 insertions(+), 9 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/mediatek.txt b/Documentation/devicetree/bindings/arm/mediatek.txt index 618a91994a18..54f43bc2df44 100644 --- a/Documentation/devicetree/bindings/arm/mediatek.txt +++ b/Documentation/devicetree/bindings/arm/mediatek.txt @@ -6,6 +6,7 @@ following property: Required root node property: compatible: Must contain one of + "mediatek,mt2701" "mediatek,mt6580" "mediatek,mt6589" "mediatek,mt6592" @@ -17,6 +18,9 @@ compatible: Must contain one of Supported boards: +- Evaluation board for MT2701: + Required root node properties: + - compatible = "mediatek,mt2701-evb", "mediatek,mt2701"; - Evaluation board for MT6580: Required root node properties: - compatible = "mediatek,mt6580-evbp1", "mediatek,mt6580"; diff --git a/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt b/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt index afef6a85ac51..b8e1674c7837 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt @@ -14,6 +14,7 @@ Required properties: "mediatek,mt6582-sysirq" "mediatek,mt6580-sysirq" "mediatek,mt6577-sysirq" + "mediatek,mt2701-sysirq" - interrupt-controller : Identifies the node as an interrupt controller - #interrupt-cells : Use the same format as specified by GIC in Documentation/devicetree/bindings/arm/gic.txt diff --git a/Documentation/devicetree/bindings/serial/mtk-uart.txt b/Documentation/devicetree/bindings/serial/mtk-uart.txt index 2d47add34765..a833a016f656 100644 --- a/Documentation/devicetree/bindings/serial/mtk-uart.txt +++ b/Documentation/devicetree/bindings/serial/mtk-uart.txt @@ -2,15 +2,15 @@ Required properties: - compatible should contain: - * "mediatek,mt8135-uart" for MT8135 compatible UARTS - * "mediatek,mt8127-uart" for MT8127 compatible UARTS - * "mediatek,mt8173-uart" for MT8173 compatible UARTS - * "mediatek,mt6795-uart" for MT6795 compatible UARTS - * "mediatek,mt6589-uart" for MT6589 compatible UARTS - * "mediatek,mt6582-uart" for MT6582 compatible UARTS + * "mediatek,mt2701-uart" for MT2701 compatible UARTS * "mediatek,mt6580-uart" for MT6580 compatible UARTS - * "mediatek,mt6577-uart" for all compatible UARTS (MT8173, MT6795, - MT6589, MT6582, MT6580, MT6577) + * "mediatek,mt6582-uart" for MT6582 compatible UARTS + * "mediatek,mt6589-uart" for MT6589 compatible UARTS + * "mediatek,mt6795-uart" for MT6795 compatible UARTS + * "mediatek,mt8127-uart" for MT8127 compatible UARTS + * "mediatek,mt8135-uart" for MT8135 compatible UARTS + * "mediatek,mt8173-uart" for MT8173 compatible UARTS + * "mediatek,mt6577-uart" for MT6577 and all of the above - reg: The base address of the UART register bank. diff --git a/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt index 64083bc5633c..8ff54eb464dc 100644 --- a/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt +++ b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt @@ -3,6 +3,7 @@ Mediatek MT6577, MT6572 and MT6589 Timers Required properties: - compatible should contain: + * "mediatek,mt2701-timer" for MT2701 compatible timers * "mediatek,mt6580-timer" for MT6580 compatible timers * "mediatek,mt6589-timer" for MT6589 compatible timers * "mediatek,mt8127-timer" for MT8127 compatible timers diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt index af9eb5b8a253..6a00939a059a 100644 --- a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt @@ -2,7 +2,11 @@ Mediatek SoCs Watchdog timer Required properties: -- compatible : should be "mediatek,mt6589-wdt" +- compatible should contain: + * "mediatek,mt2701-wdt" for MT2701 compatible watchdog timers + * "mediatek,mt6589-wdt" for all compatible watchdog timers (MT2701, + MT6589) + - reg : Specifies base physical address and size of the registers. Example: From 74d25721ee6f4bba2afc751bf20517fbe3f6d77b Mon Sep 17 00:00:00 2001 From: Erin Lo Date: Tue, 20 Oct 2015 14:34:31 +0800 Subject: [PATCH 2/4] ARM: dts: mediatek: add MT2701 basic support This adds basic chip support for Mediatek 2701. Signed-off-by: Erin Lo [matthias.bgg@gmail.com: Fixed reg address of mt2701-timer] Signed-off-by: Matthias Brugger --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/mt2701-evb.dts | 29 ++++++ arch/arm/boot/dts/mt2701.dtsi | 146 ++++++++++++++++++++++++++++++ arch/arm/mach-mediatek/mediatek.c | 1 + 4 files changed, 177 insertions(+) create mode 100644 arch/arm/boot/dts/mt2701-evb.dts create mode 100644 arch/arm/boot/dts/mt2701.dtsi diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 30bbc3746130..ad30daf080ea 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -771,6 +771,7 @@ dtb-$(CONFIG_MACH_DOVE) += \ dove-dove-db.dtb \ dove-sbc-a510.dtb dtb-$(CONFIG_ARCH_MEDIATEK) += \ + mt2701-evb.dtb \ mt6580-evbp1.dtb \ mt6589-aquaris5.dtb \ mt6592-evb.dtb \ diff --git a/arch/arm/boot/dts/mt2701-evb.dts b/arch/arm/boot/dts/mt2701-evb.dts new file mode 100644 index 000000000000..082ca8807c62 --- /dev/null +++ b/arch/arm/boot/dts/mt2701-evb.dts @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2015 MediaTek Inc. + * Author: Erin Lo + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/dts-v1/; +#include "mt2701.dtsi" + +/ { + model = "MediaTek MT2701 evaluation board"; + compatible = "mediatek,mt2701-evb", "mediatek,mt2701"; + + memory { + reg = <0 0x80000000 0 0x40000000>; + }; +}; + +&uart0 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/mt2701.dtsi b/arch/arm/boot/dts/mt2701.dtsi new file mode 100644 index 000000000000..3766904b60f3 --- /dev/null +++ b/arch/arm/boot/dts/mt2701.dtsi @@ -0,0 +1,146 @@ +/* + * Copyright (c) 2015 MediaTek Inc. + * Author: Erin.Lo + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include "skeleton64.dtsi" + +/ { + compatible = "mediatek,mt2701"; + interrupt-parent = <&sysirq>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x0>; + }; + cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x1>; + }; + cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x2>; + }; + cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x3>; + }; + }; + + system_clk: dummy13m { + compatible = "fixed-clock"; + clock-frequency = <13000000>; + #clock-cells = <0>; + }; + + rtc_clk: dummy32k { + compatible = "fixed-clock"; + clock-frequency = <32000>; + #clock-cells = <0>; + }; + + uart_clk: dummy26m { + compatible = "fixed-clock"; + clock-frequency = <26000000>; + #clock-cells = <0>; + }; + + timer { + compatible = "arm,armv7-timer"; + interrupt-parent = <&gic>; + interrupts = , + , + , + ; + }; + + watchdog: watchdog@10007000 { + compatible = "mediatek,mt2701-wdt", + "mediatek,mt6589-wdt"; + reg = <0 0x10007000 0 0x100>; + }; + + timer: timer@10008000 { + compatible = "mediatek,mt2701-timer", + "mediatek,mt6577-timer"; + reg = <0 0x10008000 0 0x80>; + interrupts = ; + clocks = <&system_clk>, <&rtc_clk>; + clock-names = "system-clk", "rtc-clk"; + }; + + sysirq: interrupt-controller@10200100 { + compatible = "mediatek,mt2701-sysirq", + "mediatek,mt6577-sysirq"; + interrupt-controller; + #interrupt-cells = <3>; + interrupt-parent = <&gic>; + reg = <0 0x10200100 0 0x1c>; + }; + + gic: interrupt-controller@10211000 { + compatible = "arm,cortex-a7-gic"; + interrupt-controller; + #interrupt-cells = <3>; + interrupt-parent = <&gic>; + reg = <0 0x10211000 0 0x1000>, + <0 0x10212000 0 0x1000>, + <0 0x10214000 0 0x2000>, + <0 0x10216000 0 0x2000>; + }; + + uart0: serial@11002000 { + compatible = "mediatek,mt2701-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11002000 0 0x400>; + interrupts = ; + clocks = <&uart_clk>; + status = "disabled"; + }; + + uart1: serial@11003000 { + compatible = "mediatek,mt2701-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11003000 0 0x400>; + interrupts = ; + clocks = <&uart_clk>; + status = "disabled"; + }; + + uart2: serial@11004000 { + compatible = "mediatek,mt2701-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11004000 0 0x400>; + interrupts = ; + clocks = <&uart_clk>; + status = "disabled"; + }; + + uart3: serial@11005000 { + compatible = "mediatek,mt2701-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11005000 0 0x400>; + interrupts = ; + clocks = <&uart_clk>; + status = "disabled"; + }; +}; diff --git a/arch/arm/mach-mediatek/mediatek.c b/arch/arm/mach-mediatek/mediatek.c index d019a080a559..2f9f09ac51bd 100644 --- a/arch/arm/mach-mediatek/mediatek.c +++ b/arch/arm/mach-mediatek/mediatek.c @@ -44,6 +44,7 @@ static void __init mediatek_timer_init(void) }; static const char * const mediatek_board_dt_compat[] = { + "mediatek,mt2701", "mediatek,mt6589", "mediatek,mt6592", "mediatek,mt8127", From 967313e2ec9cb9184e1d6af393c766e87f8eb1fc Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Fri, 20 Nov 2015 12:42:44 +0100 Subject: [PATCH 3/4] ARM: mediatek: DT: Move reset controller constants into common location By popular vote, the DT binding includes for reset controllers are located in include/dt-bindings/reset/. Move the mediatek reset constants in there, too, to avoid confusion. Signed-off-by: Philipp Zabel Signed-off-by: Matthias Brugger --- .../devicetree/bindings/arm/mediatek/mediatek,infracfg.txt | 2 +- .../devicetree/bindings/arm/mediatek/mediatek,pericfg.txt | 2 +- arch/arm/boot/dts/mt8135.dtsi | 2 +- arch/arm64/boot/dts/mediatek/mt8173.dtsi | 2 +- include/dt-bindings/{reset-controller => reset}/mt8135-resets.h | 0 include/dt-bindings/{reset-controller => reset}/mt8173-resets.h | 0 6 files changed, 4 insertions(+), 4 deletions(-) rename include/dt-bindings/{reset-controller => reset}/mt8135-resets.h (100%) rename include/dt-bindings/{reset-controller => reset}/mt8173-resets.h (100%) diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.txt index f6cd3e4192ff..aaf8d1460c4d 100644 --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.txt +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.txt @@ -18,7 +18,7 @@ The available clocks are defined in dt-bindings/clock/mt*-clk.h. Also it uses the common reset controller binding from Documentation/devicetree/bindings/reset/reset.txt. The available reset outputs are defined in -dt-bindings/reset-controller/mt*-resets.h +dt-bindings/reset/mt*-resets.h Example: diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt index f25b85499a6f..2f6ff86df49f 100644 --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt @@ -18,7 +18,7 @@ The available clocks are defined in dt-bindings/clock/mt*-clk.h. Also it uses the common reset controller binding from Documentation/devicetree/bindings/reset/reset.txt. The available reset outputs are defined in -dt-bindings/reset-controller/mt*-resets.h +dt-bindings/reset/mt*-resets.h Example: diff --git a/arch/arm/boot/dts/mt8135.dtsi b/arch/arm/boot/dts/mt8135.dtsi index cb99b02d2ccc..1d7f92bdcb9c 100644 --- a/arch/arm/boot/dts/mt8135.dtsi +++ b/arch/arm/boot/dts/mt8135.dtsi @@ -15,7 +15,7 @@ #include #include #include -#include +#include #include "skeleton64.dtsi" #include "mt8135-pinfunc.h" diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi index 4dd5f93d0303..fd71a87588f1 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi @@ -15,7 +15,7 @@ #include #include #include -#include +#include #include "mt8173-pinfunc.h" / { diff --git a/include/dt-bindings/reset-controller/mt8135-resets.h b/include/dt-bindings/reset/mt8135-resets.h similarity index 100% rename from include/dt-bindings/reset-controller/mt8135-resets.h rename to include/dt-bindings/reset/mt8135-resets.h diff --git a/include/dt-bindings/reset-controller/mt8173-resets.h b/include/dt-bindings/reset/mt8173-resets.h similarity index 100% rename from include/dt-bindings/reset-controller/mt8173-resets.h rename to include/dt-bindings/reset/mt8173-resets.h From eb0fc0d6ae99305a5aecbcf8a67cce838547d638 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Mon, 30 Nov 2015 11:41:39 +0100 Subject: [PATCH 4/4] dt-bindings: soc: Add supplies for Mediatek SCPSYS unit The power domains in the SCPSYS unit are supplied by regulators. Add the properties for them to the binding document. Signed-off-by: Sascha Hauer Cc: devicetree@vger.kernel.org Acked-by: Rob Herring Signed-off-by: Matthias Brugger --- .../devicetree/bindings/soc/mediatek/scpsys.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt index a6c8afc8385a..e8f15e34027f 100644 --- a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt +++ b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt @@ -21,6 +21,18 @@ Required properties: These are the clocks which hardware needs to be enabled before enabling certain power domains. +Optional properties: +- vdec-supply: Power supply for the vdec power domain +- venc-supply: Power supply for the venc power domain +- isp-supply: Power supply for the isp power domain +- mm-supply: Power supply for the mm power domain +- venc_lt-supply: Power supply for the venc_lt power domain +- audio-supply: Power supply for the audio power domain +- usb-supply: Power supply for the usb power domain +- mfg_async-supply: Power supply for the mfg_async power domain +- mfg_2d-supply: Power supply for the mfg_2d power domain +- mfg-supply: Power supply for the mfg power domain + Example: scpsys: scpsys@10006000 {