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-larb.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt (limited to 'Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt') diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt new file mode 100644 index 000000000000..55ff3b7e0bb9 --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt @@ -0,0 +1,25 @@ +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 this local arbiter. +- mediatek,smi : a phandle to the smi_common node. +- 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. + +Example: + larb1: larb@16010000 { + compatible = "mediatek,mt8173-smi-larb"; + reg = <0 0x16010000 0 0x1000>; + mediatek,smi = <&smi_common>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_VDEC>; + clocks = <&vdecsys CLK_VDEC_CKEN>, + <&vdecsys CLK_VDEC_LARB_CKEN>; + clock-names = "apb", "smi"; + }; -- cgit v1.2.3