Add MMC1 support, used for SD/MMC card.
Signed-off-by: Dmitry Lifshitz <[email protected]>
Acked-by: Igor Grinberg <[email protected]>
---
v3:
* No fuctional changes
* Reformat subject
v2:
* Fix duplicate SD Card Detect pinmux
arch/arm/boot/dts/am57xx-sbc-am57x.dts | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/arch/arm/boot/dts/am57xx-sbc-am57x.dts
b/arch/arm/boot/dts/am57xx-sbc-am57x.dts
index 804ad72..93852e2 100644
--- a/arch/arm/boot/dts/am57xx-sbc-am57x.dts
+++ b/arch/arm/boot/dts/am57xx-sbc-am57x.dts
@@ -24,6 +24,19 @@
DRA7XX_CORE_IOPAD(0x37fc, PIN_INPUT_SLEW | MUX_MODE1)
/* uart2_rtsn.uart3_txd */
>;
};
+
+ mmc1_pins_default: mmc1_pins_default {
+ pinctrl-single,pins = <
+ DRA7XX_CORE_IOPAD(0x3754, PIN_INPUT_PULLUP | MUX_MODE0)
/* mmc1_clk.clk */
+ DRA7XX_CORE_IOPAD(0x3758, PIN_INPUT_PULLUP | MUX_MODE0)
/* mmc1_cmd.cmd */
+ DRA7XX_CORE_IOPAD(0x375c, PIN_INPUT_PULLUP | MUX_MODE0)
/* mmc1_dat0.dat0 */
+ DRA7XX_CORE_IOPAD(0x3760, PIN_INPUT_PULLUP | MUX_MODE0)
/* mmc1_dat1.dat1 */
+ DRA7XX_CORE_IOPAD(0x3764, PIN_INPUT_PULLUP | MUX_MODE0)
/* mmc1_dat2.dat2 */
+ DRA7XX_CORE_IOPAD(0x3768, PIN_INPUT_PULLUP | MUX_MODE0)
/* mmc1_dat3.dat3 */
+ DRA7XX_CORE_IOPAD(0x376c, PIN_INPUT | MUX_MODE14)
/* mmc1_sdcd.gpio6_27 */
+ DRA7XX_CORE_IOPAD(0x377c, PIN_INPUT | MUX_MODE14)
/* mmc1_sdwp.gpio6_28 */
+ >;
+ };
};
&uart3 {
@@ -34,3 +47,15 @@
pinctrl-names = "default";
pinctrl-0 = <&uart3_pins_default>;
};
+
+&mmc1 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc1_pins_default>;
+
+ vmmc-supply = <&ldo1_reg>;
+ bus-width = <4>;
+ cd-gpios = <&gpio6 27 GPIO_ACTIVE_LOW>;
+ wp-gpios = <&gpio6 28 GPIO_ACTIVE_HIGH>;
+};
--
1.9.1
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