[PATCH 3/4] arm64: dts: mediatek: Support SD/EMMC SDR104/HS200/HS400
From: Chaotian Jing <hidden>
Date: 2015-08-12 08:24:04
Also in:
linux-arm-kernel, linux-devicetree, linux-gpio, linux-mmc
Subsystem:
arm/mediatek soc support, the rest · Maintainers:
Matthias Brugger, AngeloGioacchino Del Regno, Linus Torvalds
Add 400Mhz source clock for EMMC HS400 mode Support EMMC DDR50/HS200/HS400 of mt8173-evb Support SD SDR25/SDR50/DDR50/SDR104 of mt8173-evb Signed-off-by: Chaotian Jing <chaotian.jing-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> --- arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 10 ++++++++-- arch/arm64/boot/dts/mediatek/mt8173.dtsi | 5 +++-- 2 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
index 4be66ca..cd5317f 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts@@ -70,8 +70,11 @@ pinctrl-0 = <&mmc0_pins_default>; pinctrl-1 = <&mmc0_pins_uhs>; bus-width = <8>; - max-frequency = <50000000>; + max-frequency = <200000000>; cap-mmc-highspeed; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + mmc-hs400-1_8v; vmmc-supply = <&mt6397_vemc_3v3_reg>; vqmmc-supply = <&mt6397_vio18_reg>; non-removable;
@@ -83,9 +86,12 @@ pinctrl-0 = <&mmc1_pins_default>; pinctrl-1 = <&mmc1_pins_uhs>; bus-width = <4>; - max-frequency = <50000000>; + max-frequency = <200000000>; cap-sd-highspeed; sd-uhs-sdr25; + sd-uhs-sdr50; + sd-uhs-ddr50; + sd-uhs-sdr104; cd-gpios = <&pio 132 0>; vmmc-supply = <&mt6397_vmch_reg>; vqmmc-supply = <&mt6397_vmc_reg>;
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index d18ee42..495ed94 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi@@ -450,8 +450,9 @@ reg = <0 0x11230000 0 0x1000>; interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_LOW>; clocks = <&pericfg CLK_PERI_MSDC30_0>, - <&topckgen CLK_TOP_MSDC50_0_H_SEL>; - clock-names = "source", "hclk"; + <&topckgen CLK_TOP_MSDC50_0_H_SEL>, + <&topckgen CLK_TOP_MSDCPLL_D2>; + clock-names = "source", "hclk", "400Mhz_clk"; status = "disabled"; };
--
1.8.1.1.dirty