From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yong Wu Subject: [PATCH v4 2/6] dt-bindings: mediatek: Add smi dts binding Date: Mon, 3 Aug 2015 18:21:15 +0800 Message-ID: <1438597279-2937-3-git-send-email-yong.wu@mediatek.com> References: <1438597279-2937-1-git-send-email-yong.wu@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1438597279-2937-1-git-send-email-yong.wu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Joerg Roedel , Thierry Reding , Mark Rutland , Matthias Brugger Cc: k.zhang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, pebolle-IWqWACnzNjzz+pZb47iToQ@public.gmane.org, frederic.chen-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, arnd-r2nGTMty4D4@public.gmane.org, srv_heupstream-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, Catalin Marinas , Will Deacon , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Tomasz Figa , iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Rob Herring , Daniel Kurtz , Sasha Hauer , linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, youhua.li-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Lucas Stach List-Id: devicetree@vger.kernel.org This patch add smi binding document. Signed-off-by: Yong Wu --- .../memory-controllers/mediatek,smi-larb.txt | 25 ++++++++++++++++++++++ .../bindings/memory-controllers/mediatek,smi.txt | 24 +++++++++++++++++++++ 2 files changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt create mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,smi.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 0000000..55ff3b7 --- /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"; + }; diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi.txt new file mode 100644 index 0000000..f54e91c --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi.txt @@ -0,0 +1,24 @@ +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 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 clock are the same. + +Example: + smi_common: smi@14022000 { + compatible = "mediatek,mt8173-smi"; + 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"; + }; -- 1.8.1.1.dirty