arm64: dts: marvell: armada-37xx: Enable emmc on espressobin

The ESPRESSObin board has a emmc interface available on U11: declare it
and let the bootloader enable it if the emmc is present.

[gregory.clement@bootlin.com: disable the emmc by default]
Signed-off-by: Ding Tao <miyatsu@qq.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>

diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
index 3ab25ad..846003b 100644 (file)
--- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
@@ -60,9 +60,31 @@
        cd-gpios = <&gpionb 3 GPIO_ACTIVE_LOW>;
        marvell,pad-type = "sd";
        vqmmc-supply = <&vcc_sd_reg1>;
+
+       pinctrl-names = "default";
+       pinctrl-0 = <&sdio_pins>;
        status = "okay";
 };
 
+/* U11 */
+&sdhci0 {
+       non-removable;
+       bus-width = <8>;
+       mmc-ddr-1_8v;
+       mmc-hs400-1_8v;
+       marvell,xenon-emmc;
+       marvell,xenon-tun-count = <9>;
+       marvell,pad-type = "fixed-1-8v";
+
+       pinctrl-names = "default";
+       pinctrl-0 = <&mmc_pins>;
+/*
+ * This eMMC is not populated on all boards, so disable it by
+ * default and let the bootloader enable it, if it is present
+ */
+       status = "disabled";
+};
+
 &spi0 {
        status = "okay";