[PATCH v2 2/6] dt-bindings: mediatek: Add smi dts binding
From: yong.wu@mediatek.com (Yong Wu)
Date: 2015-05-15 09:44:12
Also in:
linux-devicetree, linux-iommu, linux-mediatek, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This patch add smi binding document. Signed-off-by: Yong Wu <yong.wu@mediatek.com> --- .../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