[PATCH] arm64: dts: hi3798cv200: add SD card support
Shawn Guo
shawnguo at kernel.org
Sat Oct 14 20:04:47 PDT 2017
From: Shawn Guo <shawn.guo at linaro.org>
It adds device mmc at 9820000 which is used as SD card on poplar board.
Signed-off-by: Shawn Guo <shawn.guo at linaro.org>
---
arch/arm64/boot/dts/hisilicon/hi3798cv200-poplar.dts | 6 ++++++
arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi | 12 ++++++++++++
2 files changed, 18 insertions(+)
diff --git a/arch/arm64/boot/dts/hisilicon/hi3798cv200-poplar.dts b/arch/arm64/boot/dts/hisilicon/hi3798cv200-poplar.dts
index b9142871d6fe..e6fd9f296497 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3798cv200-poplar.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3798cv200-poplar.dts
@@ -146,6 +146,12 @@
status = "okay";
};
+&sd0 {
+ bus-width = <4>;
+ cap-sd-highspeed;
+ status = "okay";
+};
+
&spi0 {
status = "okay";
label = "LS-SPI0";
diff --git a/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi b/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi
index 75865f8a862a..962bd79139e4 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi
@@ -192,6 +192,18 @@
status = "disabled";
};
+ sd0: mmc at 9820000 {
+ compatible = "snps,dw-mshc";
+ reg = <0x9820000 0x10000>;
+ interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&crg HISTB_SDIO0_CIU_CLK>,
+ <&crg HISTB_SDIO0_BIU_CLK>;
+ clock-names = "ciu", "biu";
+ resets = <&crg 0x9c 4>;
+ reset-names = "reset";
+ status = "disabled";
+ };
+
emmc: mmc at 9830000 {
compatible = "snps,dw-mshc";
reg = <0x9830000 0x10000>;
--
1.9.1
More information about the linux-arm-kernel
mailing list