CM-SOM-AM57X has two options of main storage devices - eMMC or NAND.
Add eMMC chip support (over MMC2 bus).
Signed-off-by: Dmitry Lifshitz <lifsh...@compulab.co.il>
Acked-by: Igor Grinberg <grinb...@compulab.co.il>
---
arch/arm/boot/dts/am57xx-cl-som-am57x.dts | 33 +++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts
b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts
index b6919a7..ed50a75 100644
--- a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts
+++ b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts
@@ -36,6 +36,13 @@
default-state = "off";
};
};
+
+ vdd_3v3: fixedregulator-vdd_3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
};
&dra7_pmx_core {
@@ -71,6 +78,21 @@
DRA7XX_CORE_IOPAD(0x3818, PIN_INPUT_PULLUP |
MUX_MODE14) /* wakeup0.gpio1_0 */
>;
};
+
+ mmc2_pins_default: mmc2_pins_default {
+ pinctrl-single,pins = <
+ DRA7XX_CORE_IOPAD(0x349c, PIN_INPUT_PULLUP | MUX_MODE1)
/* gpmc_a23.mmc2_clk */
+ DRA7XX_CORE_IOPAD(0x34b0, PIN_INPUT_PULLUP | MUX_MODE1)
/* gpmc_cs1.mmc2_cmd */
+ DRA7XX_CORE_IOPAD(0x34a0, PIN_INPUT_PULLUP | MUX_MODE1)
/* gpmc_a24.mmc2_dat0 */
+ DRA7XX_CORE_IOPAD(0x34a4, PIN_INPUT_PULLUP | MUX_MODE1)
/* gpmc_a25.mmc2_dat1 */
+ DRA7XX_CORE_IOPAD(0x34a8, PIN_INPUT_PULLUP | MUX_MODE1)
/* gpmc_a26.mmc2_dat2 */
+ DRA7XX_CORE_IOPAD(0x34ac, PIN_INPUT_PULLUP | MUX_MODE1)
/* gpmc_a27.mmc2_dat3 */
+ DRA7XX_CORE_IOPAD(0x348c, PIN_INPUT_PULLUP | MUX_MODE1)
/* gpmc_a19.mmc2_dat4 */
+ DRA7XX_CORE_IOPAD(0x3490, PIN_INPUT_PULLUP | MUX_MODE1)
/* gpmc_a20.mmc2_dat5 */
+ DRA7XX_CORE_IOPAD(0x3494, PIN_INPUT_PULLUP | MUX_MODE1)
/* gpmc_a21.mmc2_dat6 */
+ DRA7XX_CORE_IOPAD(0x3498, PIN_INPUT_PULLUP | MUX_MODE1)
/* gpmc_a22.mmc2_dat7 */
+ >;
+ };
};
&i2c1 {
@@ -297,4 +319,15 @@
};
};
+&mmc2 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc2_pins_default>;
+
+ vmmc-supply = <&vdd_3v3>;
+ bus-width = <8>;
+ ti,non-removable;
+ cap-mmc-dual-data-rate;
+};
--
1.9.1
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