@@ -16,6 +16,10 @@ / {
compatible = "samsung,dreamlte", "samsung,exynos8895";
chassis-type = "handset";
+ aliases {
+ mmc0 = &mmc;
+ };
+
chosen {
#address-cells = <2>;
#size-cells = <1>;
@@ -95,6 +99,27 @@ &oscclk {
clock-frequency = <26000000>;
};
+&mmc {
+ pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus1 &sd2_bus4 &sd2_cd>;
+ pinctrl-names = "default";
+
+ bus-width = <4>;
+ card-detect-delay = <200>;
+ cd-gpios = <&gpa1 5 GPIO_ACTIVE_LOW>;
+ clock-frequency = <800000000>;
+ disable-wp;
+ sd-uhs-sdr50;
+ sd-uhs-sdr104;
+
+ /* TODO: Add regulators once PMIC is implemented */
+
+ samsung,dw-mshc-ciu-div = <3>;
+ samsung,dw-mshc-ddr-timing = <1 2>;
+ samsung,dw-mshc-sdr-timing = <0 3>;
+
+ status = "okay";
+};
+
&pinctrl_alive {
key_power: key-power-pins {
samsung,pins = "gpa2-4";
@@ -123,4 +148,11 @@ key_wink: key-wink-pins {
samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
samsung,pin-drv = <EXYNOS7_PIN_DRV_LV1>;
};
+
+ sd2_cd: sd2-cd-pins {
+ samsung,pins = "gpa1-5";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS7_PIN_DRV_LV4>;
+ };
};
Enable MMC for the Samsung Galaxy S8, used as external microSD card storage. Since the main PMIC is currently not supported, assume the required regulators are enabled by the previous bootloader. Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com> --- .../boot/dts/exynos/exynos8895-dreamlte.dts | 32 +++++++++++++++++++ 1 file changed, 32 insertions(+)