Add DT entry for MMC. Also add entry for pinmux information.
Tested:
1) Without GPIO card detection and EDMA support as DT support for
GPIO and EDMA are yet come.
2) By creating/deleting files and mounting/unmounting the partition.
Signed-off-by: Manjunathappa, Prakash <prakash.pm@xxxxxx>
Cc: linux-mmc@xxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: davinci-linux-open-source@xxxxxxxxxxxxxxxxxxxx
Cc: devicetree-discuss@xxxxxxxxxxxxxxxx
Cc: cjb@xxxxxxxxxx
Cc: Sekhar Nori <nsekhar@xxxxxx>
---
arch/arm/boot/dts/da850-evm.dts | 7 +++++++
arch/arm/boot/dts/da850.dtsi | 15 +++++++++++++++
2 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
index fe2bbe7..bc1f951 100644
--- a/arch/arm/boot/dts/da850-evm.dts
+++ b/arch/arm/boot/dts/da850-evm.dts
@@ -81,6 +81,13 @@
};
};
};
+ mmc0: mmc@1c40000 {
+ max-frequency = <50000000>;
+ bus-width = <4>;
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins>;
+ };
};
nand_cs3@62000000 {
status = "okay";
diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index 327fb06..ef22fa2 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -70,6 +70,15 @@
0x14 0x00111111 0x00ffffff
>;
};
+ mmc0_pins: pinmux_mmc_pins {
+ pinctrl-single,bits = <
+ /* MMCSD0_DAT[3] MMCSD0_DAT[2]
+ * MMCSD0_DAT[1] MMCSD0_DAT[0]
+ * MMCSD0_CMD MMCSD0_CLK
+ */
+ 0x28 0x00222222 0x00ffffff
+ >;
+ };
};
serial0: serial@1c42000 {
compatible = "ns16550a";
@@ -115,6 +124,12 @@
reg = <0x21000 0x1000>;
status = "disabled";
};
+ mmc0: mmc@1c40000 {
+ compatible = "ti,da830-mmc";
+ reg = <0x40000 0x1000>;
+ interrupts = <16>;
+ status = "disabled";
+ };
spi1: spi@1f0e000 {
#address-cells = <1>;
#size-cells = <0>;
--
1.7.4.1
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