ARM: bcm2835: add SDHCI node to DT
Add the SDHCI device node to the SoC DT file. Add a dummy fixed-clock
to satisfy the SDHCI driver's clock lookup; eventually this should be
replaced by a real clock implementation. Add board specific properties
to the Raspberry Pi board file.
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
diff --git a/arch/arm/boot/dts/bcm2835-rpi-b.dts b/arch/arm/boot/dts/bcm2835-rpi-b.dts
index 6ff26f9..0544ef8 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-b.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-b.dts
@@ -24,3 +24,8 @@
brcm,function = <7>; /* alt3 */
};
};
+
+&sdhci {
+ status = "okay";
+ bus-width = <4>;
+};
diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi
index 8917550..1d7e4f5 100644
--- a/arch/arm/boot/dts/bcm2835.dtsi
+++ b/arch/arm/boot/dts/bcm2835.dtsi
@@ -63,5 +63,19 @@
interrupt-controller;
#interrupt-cells = <2>;
};
+
+ sdhci: sdhci {
+ compatible = "brcm,bcm2835-sdhci";
+ reg = <0x7e300000 0x100>;
+ interrupts = <2 30>;
+ clocks = <&clk_mmc>;
+ status = "disabled";
+ };
+ };
+
+ clk_mmc: clock {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <100000000>;
};
};