arm64: tegra: Enable SDHCI controllers on P3110

The P3110 processor module wires one of the SDHCI controllers to an on-
board eMMC and exposes another set of SD/MMC signals on the connector to
support an external SD/MMC card. A third controller is connected to the
SDIO pins of an M.2 KEY E connector.

Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
index 9eba6da..5a49093 100644 (file)
--- a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
@@ -7,6 +7,8 @@
        compatible = "nvidia,p3310", "nvidia,tegra186";
 
        aliases {
+               sdhci0 = "/sdhci@3460000";
+               sdhci1 = "/sdhci@3400000";
                serial0 = &uarta;
                i2c0 = "/bpmp/i2c";
                i2c1 = "/i2c@3160000";
@@ -72,6 +74,29 @@
                status = "okay";
        };
 
+       /* SDMMC1 (SD/MMC) */
+       sdhci@3400000 {
+               cd-gpios = <&gpio TEGRA_MAIN_GPIO(P, 5) GPIO_ACTIVE_LOW>;
+               wp-gpios = <&gpio TEGRA_MAIN_GPIO(P, 4) GPIO_ACTIVE_LOW>;
+
+               vqmmc-supply = <&vddio_sdmmc1>;
+       };
+
+       /* SDMMC3 (SDIO) */
+       sdhci@3440000 {
+               status = "okay";
+       };
+
+       /* SDMMC4 (eMMC) */
+       sdhci@3460000 {
+               status = "okay";
+               bus-width = <8>;
+               non-removable;
+
+               vqmmc-supply = <&vdd_1v8_ap>;
+               vmmc-supply = <&vdd_3v3_sys>;
+       };
+
        hsp@3c00000 {
                status = "okay";
        };