Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932579AbbLHJuM (ORCPT ); Tue, 8 Dec 2015 04:50:12 -0500 Received: from mailgw01.mediatek.com ([210.61.82.183]:50704 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1756347AbbLHJuF (ORCPT ); Tue, 8 Dec 2015 04:50:05 -0500 X-Listener-Flag: 11101 From: Yong Wu To: Joerg Roedel , Thierry Reding , Mark Rutland , Matthias Brugger CC: Robin Murphy , Will Deacon , Daniel Kurtz , Tomasz Figa , Lucas Stach , Rob Herring , Catalin Marinas , , Sasha Hauer , , , , , , , , , , , Yong Wu Subject: [PATCH v6 2/5] dt-bindings: mediatek: Add smi dts binding Date: Tue, 8 Dec 2015 17:49:10 +0800 Message-ID: <1449568153-15643-3-git-send-email-yong.wu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1449568153-15643-1-git-send-email-yong.wu@mediatek.com> References: <1449568153-15643-1-git-send-email-yong.wu@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3272 Lines: 79 This patch add smi binding document. Signed-off-by: Yong Wu --- .../memory-controllers/mediatek,smi-common.txt | 24 +++++++++++++++++++++ .../memory-controllers/mediatek,smi-larb.txt | 25 ++++++++++++++++++++++ 2 files changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt create mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.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 0000000..06a83ce --- /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"; + }; 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"; + }; -- 1.8.1.1.dirty -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/