ARM: tegra: acer-a500: Add aliases for MMC

MMC core now supports binding to a specific ID, which is very handy for
embedded devices, like Acer A500, because MMC ID may change depending on
kernel version or configuration which affects MMC driver probe order.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
index 2d683c9..fc930c9 100644 (file)
--- a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
+++ b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
@@ -14,6 +14,10 @@
        compatible = "acer,picasso", "nvidia,tegra20";
 
        aliases {
+               mmc0 = &sdmmc4; /* eMMC */
+               mmc1 = &sdmmc3; /* MicroSD */
+               mmc2 = &sdmmc1; /* WiFi */
+
                rtc0 = &pmic;
                rtc1 = "/rtc@7000e000";
 
@@ -720,7 +724,7 @@
                power-off-delay-us = <300>;
        };
 
-       mmc@c8000000 {
+       sdmmc1: mmc@c8000000 {
                status = "okay";
 
                #address-cells = <1>;
@@ -745,7 +749,7 @@
                };
        };
 
-       mmc@c8000400 {
+       sdmmc3: mmc@c8000400 {
                status = "okay";
                bus-width = <4>;
                cd-gpios = <&gpio TEGRA_GPIO(I, 5) GPIO_ACTIVE_LOW>;
@@ -754,7 +758,7 @@
                vqmmc-supply = <&vdd_3v3_sys>;
        };
 
-       mmc@c8000600 {
+       sdmmc4: mmc@c8000600 {
                status = "okay";
                bus-width = <8>;
                vmmc-supply = <&vcore_emmc>;