From fb6e2ceee3e634e42405d9b47080ed21442964d9 Mon Sep 17 00:00:00 2001 From: Yong Wu Date: Tue, 23 Feb 2016 01:20:48 +0800 Subject: dt-bindings: mediatek: Add smi dts binding This patch add smi binding document and smi local arbiter header file. Signed-off-by: Yong Wu Acked-by: Rob Herring Signed-off-by: Joerg Roedel --- .../memory-controllers/mediatek,smi-common.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt (limited to 'Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt') diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt new file mode 100644 index 000000000000..06a83ceebba7 --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt @@ -0,0 +1,24 @@ +SMI (Smart Multimedia Interface) Common + +The hardware block diagram please check bindings/iommu/mediatek,iommu.txt + +Required properties: +- compatible : must be "mediatek,mt8173-smi-common" +- reg : the register and size of the SMI block. +- power-domains : a phandle to the power domain of this local arbiter. +- clocks : Must contain an entry for each entry in clock-names. +- clock-names : must contain 2 entries, as follows: + - "apb" : Advanced Peripheral Bus clock, It's the clock for setting + the register. + - "smi" : It's the clock for transfer data and command. + They may be the same if both source clocks are the same. + +Example: + smi_common: smi@14022000 { + compatible = "mediatek,mt8173-smi-common"; + reg = <0 0x14022000 0 0x1000>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; + clocks = <&mmsys CLK_MM_SMI_COMMON>, + <&mmsys CLK_MM_SMI_COMMON>; + clock-names = "apb", "smi"; + }; -- cgit v1.2.3