From mboxrd@z Thu Jan 1 00:00:00 1970 From: chaotian.jing@mediatek.com (Chaotian Jing) Date: Wed, 12 Aug 2015 16:24:05 +0800 Subject: [PATCH 4/4] mmc: dt-bindings: Add 400Mhz clock source In-Reply-To: <1439367845-5891-1-git-send-email-chaotian.jing@mediatek.com> References: <1439367845-5891-1-git-send-email-chaotian.jing@mediatek.com> Message-ID: <1439367845-5891-5-git-send-email-chaotian.jing@mediatek.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add 400Mhz clock source for HS400 mode Signed-off-by: Chaotian Jing --- Documentation/devicetree/bindings/mmc/mtk-sd.txt | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt index a1adfa4..2c28305 100644 --- a/Documentation/devicetree/bindings/mmc/mtk-sd.txt +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt @@ -17,6 +17,10 @@ Required properties: - vmmc-supply: power to the Core - vqmmc-supply: power to the IO +Optional properties: +- clocks: 400Mhz clk, used for HS400 mode, 400Mhz source clock +- clock-name: "400Mhz_clk" + Examples: mmc0: mmc at 11230000 { compatible = "mediatek,mt8173-mmc", "mediatek,mt8135-mmc"; @@ -24,8 +28,10 @@ mmc0: mmc at 11230000 { interrupts = ; vmmc-supply = <&mt6397_vemc_3v3_reg>; vqmmc-supply = <&mt6397_vio18_reg>; - clocks = <&pericfg CLK_PERI_MSDC30_0>, <&topckgen CLK_TOP_MSDC50_0_H_SEL>; - clock-names = "source", "hclk"; + clocks = <&pericfg CLK_PERI_MSDC30_0>, + <&topckgen CLK_TOP_MSDC50_0_H_SEL>, + <&topckgen CLK_TOP_MSDCPLL_D2>; + clock-names = "source", "hclk", "400Mhz_clk"; pinctrl-names = "default", "state_uhs"; pinctrl-0 = <&mmc0_pins_default>; pinctrl-1 = <&mmc0_pins_uhs>; -- 1.8.1.1.dirty