[PATCH 4/4] mmc: dt-bindings: Add 400Mhz clock source
From: chaotian.jing@mediatek.com (Chaotian Jing)
Date: 2015-08-12 08:24:05
Also in:
linux-devicetree, linux-gpio, linux-mediatek, linux-mmc
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Ulf Hansson, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add 400Mhz clock source for HS400 mode Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com> --- 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 = <GIC_SPI 39 IRQ_TYPE_LEVEL_LOW>; 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