From mboxrd@z Thu Jan 1 00:00:00 1970 From: yong.wu@mediatek.com (Yong Wu) Date: Fri, 15 May 2015 17:43:25 +0800 Subject: [PATCH v2 2/6] dt-bindings: mediatek: Add smi dts binding In-Reply-To: <1431683009-18158-1-git-send-email-yong.wu@mediatek.com> References: <1431683009-18158-1-git-send-email-yong.wu@mediatek.com> Message-ID: <1431683009-18158-3-git-send-email-yong.wu@mediatek.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch add smi binding document. Signed-off-by: Yong Wu --- .../bindings/soc/mediatek/mediatek,smi-larb.txt | 24 ++++++++++++++++++++++ .../bindings/soc/mediatek/mediatek,smi.txt | 22 ++++++++++++++++++++ 2 files changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,smi-larb.txt create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,smi.txt diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi-larb.txt b/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi-larb.txt new file mode 100644 index 0000000..c06c5b6 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi-larb.txt @@ -0,0 +1,24 @@ +SMI(Smart Multimedia Interface) Local Arbiter + +The hardware block diagram please check bindings/iommu/mediatek,iommu.txt + +Required properties: +- compatible : must be "mediatek,mt8173-smi-larb" +- reg : the register and size of each local arbiter. +- smi : must be "&smi_common". Refer to bindings/soc/mediatek,smi.txt. +- clocks : must contain one entry for each clock-names. + There are 2 clockes: + APB clock : Advanced Peripheral Bus clock, It's the clock for setting + the register. + SMI clock : It's the clock for transfer data and command. +- clock-name: must be "apb" and "smi". + +Example: + larb0:larb at 14021000 { + compatible = "mediatek,mt8173-smi-larb"; + reg = <0 0x14021000 0 0x1000>; + smi = <&smi_common>; + clocks = <&mmsys MM_SMI_LARB0>, + <&mmsys MM_SMI_LARB0>; + clock-names = "apb", "smi"; + }; diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi.txt b/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi.txt new file mode 100644 index 0000000..c2389b4 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi.txt @@ -0,0 +1,22 @@ +SMI(Smart Multimedia Interface) + +The hardware block diagram please check bindings/iommu/mediatek,iommu.txt + +Required properties: +- compatible : must be "mediatek,mt8173-smi" +- reg : the register and size of the smi. +- clocks : must contain one entry for each clock-names. + There are 2 clockes: + APB clock : Advanced Peripheral Bus clock, It's the clock for setting + the register. + SMI clock : It's the clock for transfer data and command. +- clock-name: must be "apb" and "smi". + +Example: + smi_common:smi at 14022000 { + compatible = "mediatek,mt8173-smi"; + reg = <0 0x14022000 0 0x1000>; + clocks = <&mmsys MM_SMI_COMMON>, + <&mmsys MM_SMI_COMMON>; + clock-names = "apb", "smi"; + }; -- 1.8.1.1.dirty