arm: vt8500: Add SDHC support to WM8505 DT
This patch adds the required node for the SDHC controller on WM8505 SoCs.
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Olof Johansson <olof@lixom.net>
diff --git a/arch/arm/boot/dts/wm8505.dtsi b/arch/arm/boot/dts/wm8505.dtsi
index e74a1c0..388f26d 100644
--- a/arch/arm/boot/dts/wm8505.dtsi
+++ b/arch/arm/boot/dts/wm8505.dtsi
@@ -60,6 +60,19 @@
clock-frequency = <24000000>;
};
+ ref25: ref25M {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <25000000>;
+ };
+
+ pllb: pllb {
+ #clock-cells = <0>;
+ compatible = "via,vt8500-pll-clock";
+ clocks = <&ref25>;
+ reg = <0x204>;
+ };
+
clkuart0: uart0 {
#clock-cells = <0>;
compatible = "via,vt8500-device-clock";
@@ -107,6 +120,16 @@
enable-reg = <0x250>;
enable-bit = <23>;
};
+
+ clksdhc: sdhc {
+ #clock-cells = <0>;
+ compatible = "via,vt8500-device-clock";
+ clocks = <&pllb>;
+ divisor-reg = <0x328>;
+ divisor-mask = <0x3f>;
+ enable-reg = <0x254>;
+ enable-bit = <18>;
+ };
};
};
@@ -187,5 +210,13 @@
reg = <0xd8100000 0x10000>;
interrupts = <48>;
};
+
+ sdhc@d800a000 {
+ compatible = "wm,wm8505-sdhc";
+ reg = <0xd800a000 0x1000>;
+ interrupts = <20 21>;
+ clocks = <&clksdhc>;
+ bus-width = <4>;
+ };
};
};