From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chaotian Jing Subject: [PATCH 5/7] mmc: dt-bindings: add Mediatek MMC bindings Date: Tue, 27 Jan 2015 14:15:30 +0800 Message-ID: <1422339332-27498-6-git-send-email-chaotian.jing@mediatek.com> References: <1422339332-27498-1-git-send-email-chaotian.jing@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1422339332-27498-1-git-send-email-chaotian.jing@mediatek.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Rob Herring , Matthias Brugger , Chris Ball , Ulf Hansson , Linus Walleij Cc: Mark Rutland , James Liao , srv_heupstream@mediatek.com, Arnd Bergmann , devicetree@vger.kernel.org, Hongzhou Yang , Catalin Marinas , linux-mmc@vger.kernel.org, Will Deacon , linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, Chaotian Jing , Sascha Hauer , "Joe.C" , Eddie Huang , bin.zhang@mediatek.com, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org Document the device-tree binding of Mediatek MMC host Signed-off-by: Chaotian Jing --- Documentation/devicetree/bindings/mmc/mtk-sd.txt | 33 ++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/mtk-sd.txt diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt new file mode 100644 index 0000000..7667ec7 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt @@ -0,0 +1,33 @@ +* MTK MMC controller + +The MTK MSDC can act as a MMC controller +to support MMC, SD, and SDIO types of memory cards. + +This file documents differences between the core properties in mmc.txt +and the properties used by the msdc driver. + +Required properties: +- compatible: Should be "mediatek,mt8173-mmc","mediatek,mt8135-mmc". +- interrupts: Should contain MSDC interrupt number +- core-power-supply: power to the Core +- clocks: MSDC source clock +- clock-names: "source" +- pinctrl-names: should be "default", "state_uhs" +- pinctrl-0: should contain default/high speed pin ctrl +- pinctrl-1: should contain uhs mode pin ctrl + +Optional properties: +- io-power-supply: power to the IO(for SD/SDIO) + +Examples: +mmc0: mmc@11230000 { + compatible = "mediatek,mt8173-mmc","mediatek,mt8135-mmc"; + reg = <0 0x11230000 0 0x108>; + interrupts = ; + core-power-supply = <&mt6397_vemc_3v3_reg>; + clocks = <&pericfg PERI_MSDC20_1_CK>; + clock-names = "source"; + pinctrl-names = "default", "state_uhs"; + pinctrl-0 = <&mmc0_pins_default>; + pinctrl-1 = <&mmc0_pins_uhs>; +}; -- 1.8.1.1.dirty