From: Chaotian Jing Date: Tue, 27 Oct 2015 06:24:22 +0000 (+0800) Subject: mmc: dt-bindings: update Mediatek MMC bindings X-Git-Tag: v4.14-rc1~4468^2~10 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2c21d26825d5c1fda1729541d5fad56ee7ef7fa2;p=platform%2Fkernel%2Flinux-rpi.git mmc: dt-bindings: update Mediatek MMC bindings Add 400Mhz clock source for HS400 mode Signed-off-by: Chaotian Jing Signed-off-by: Ulf Hansson --- diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt index a1adfa4..0120c7f 100644 --- a/Documentation/devicetree/bindings/mmc/mtk-sd.txt +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt @@ -17,6 +17,11 @@ Required properties: - vmmc-supply: power to the Core - vqmmc-supply: power to the IO +Optional properties: +- assigned-clocks: PLL of the source clock +- assigned-clock-parents: parent of source clock, used for HS400 mode to get 400Mhz source clock +- hs400-ds-delay: HS400 DS delay setting + Examples: mmc0: mmc@11230000 { compatible = "mediatek,mt8173-mmc", "mediatek,mt8135-mmc"; @@ -24,9 +29,13 @@ mmc0: mmc@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>; + clocks = <&pericfg CLK_PERI_MSDC30_0>, + <&topckgen CLK_TOP_MSDC50_0_H_SEL>; clock-names = "source", "hclk"; pinctrl-names = "default", "state_uhs"; pinctrl-0 = <&mmc0_pins_default>; pinctrl-1 = <&mmc0_pins_uhs>; + assigned-clocks = <&topckgen CLK_TOP_MSDC50_0_SEL>; + assigned-clock-parents = <&topckgen CLK_TOP_MSDCPLL_D2>; + hs400-ds-delay = <0x14015>; };