ARM: dts: lpc4357-ea4357: add mmcsd

Enable the MMC/SD controller on EA4357 devkit and add pin
muxing plus a regulator.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>

diff --git a/arch/arm/boot/dts/lpc4357-ea4357-devkit.dts b/arch/arm/boot/dts/lpc4357-ea4357-devkit.dts
index 06ba998d544fe9690804a2da2b6555dff995f738..d02f93f19bf5b79f9525e953ebe30cc8cf7ec786 100644 (file)
--- a/arch/arm/boot/dts/lpc4357-ea4357-devkit.dts
+++ b/arch/arm/boot/dts/lpc4357-ea4357-devkit.dts
@@ -34,9 +34,48 @@
                device_type = "memory";
                reg = <0x28000000 0x2000000>; /* 32 MB */
        };
+
+       /* vmmc is controlled by sdmmc host internally */
+       vmmc: vmmc_fixed {
+               compatible = "regulator-fixed";
+               regulator-name = "vmmc-supply";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+       };
 };
 
 &pinctrl {
+       sdmmc_pins: sdmmc-pins {
+               sdmmc_clk_cfg {
+                       pins = "pc_0";
+                       function = "sdmmc";
+                       slew-rate = <1>;
+                       bias-pull-down;
+               };
+
+               sdmmc_cmd_dat0_3_cfg {
+                       pins = "pc_4", "pc_5", "pc_6", "pc_7", "pc_10";
+                       function = "sdmmc";
+                       slew-rate = <1>;
+                       bias-disable;
+                       input-enable;
+                       input-schmitt-disable;
+               };
+
+               sdmmc_cd_cfg {
+                       pins = "pc_8";
+                       function = "sdmmc";
+                       bias-pull-down;
+                       input-enable;
+               };
+
+               sdmmc_pow_cfg {
+                       pins = "pc_9";
+                       function = "sdmmc";
+                       bias-pull-down;
+               };
+       };
+
        uart0_pins: uart0-pins {
                uart0_rx_cfg {
                        pins = "pf_11";
@@ -54,6 +93,14 @@
        };
 };
 
+&mmcsd {
+       status = "okay";
+       bus-width = <4>;
+       vmmc-supply = <&vmmc>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&sdmmc_pins>;
+};
+
 &uart0 {
        status = "okay";
        pinctrl-names = "default";