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Subject[PATCH v2 9/9] arm64: dts: sprd: Add Spreadtrum SD host controller support
Date
Add one Spreadtrum SD host controller to support eMMC card for Spreadtrum
SC9860 platform.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
---
arch/arm64/boot/dts/sprd/whale2.dtsi | 35 ++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)

diff --git a/arch/arm64/boot/dts/sprd/whale2.dtsi b/arch/arm64/boot/dts/sprd/whale2.dtsi
index 4bb862c..79b9591c 100644
--- a/arch/arm64/boot/dts/sprd/whale2.dtsi
+++ b/arch/arm64/boot/dts/sprd/whale2.dtsi
@@ -130,6 +130,34 @@
clock-names = "enable";
clocks = <&apahb_gate CLK_DMA_EB>;
};
+
+ sdio3: sdio@50430000 {
+ compatible = "sprd,sdhci-r11";
+ reg = <0 0x50430000 0 0x1000>;
+ interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
+
+ clock-names = "sdio", "enable", "2x_enable";
+ clocks = <&aon_prediv CLK_EMMC_2X>,
+ <&apahb_gate CLK_EMMC_EB>,
+ <&aon_gate CLK_EMMC_2X_EN>;
+ assigned-clocks = <&aon_prediv CLK_EMMC_2X>;
+ assigned-clock-parents = <&clk_l0_409m6>;
+
+ sprd,phy-delay-mmc-hs400 = <0x44 0x7f 0x2e 0x2e>;
+ sprd,phy-delay-mmc-hs200 = <0x0 0x8c 0x8c 0x8c>;
+ sprd,phy-delay-mmc-ddr52 = <0x3f 0x75 0x14 0x14>;
+ sprd,phy-delay-mmc-hs400es = <0x3f 0x3f 0x2e 0x2e>;
+ vmmc-supply = <&vddemmccore>;
+ bus-width = <8>;
+ non-removable;
+ no-sdio;
+ no-sd;
+ cap-mmc-hw-reset;
+ mmc-hs400-enhanced-strobe;
+ mmc-hs400-1_8v;
+ mmc-hs200-1_8v;
+ mmc-ddr-1_8v;
+ };
};

aon {
@@ -272,4 +300,11 @@
clock-frequency = <100000000>;
clock-output-names = "ext-rco-100m";
};
+
+ clk_l0_409m6: clk_l0_409m6 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <409600000>;
+ clock-output-names = "ext-409m6";
+ };
};
--
1.7.9.5
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