ARM64: dts: meson-gxbb: Add MMC nodes to Nexbox A95x

Add support for eMMC/SD/SDIO on the Nexbox A95x.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts
index 399d85f4cd0c6278829602e6f0029bbcacbc4504..969682092e0fe040fb1b6de918de99d095fd2c91 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts
@@ -87,6 +87,61 @@
                        gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_LOW>;
                };
        };
+
+       vddio_card: gpio-regulator {
+               compatible = "regulator-gpio";
+
+               regulator-name = "VDDIO_CARD";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpios = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
+               gpios-states = <1>;
+
+               /* Based on P200 schematics, signal CARD_1.8V/3.3V_CTR */
+               states = <1800000 0
+                         3300000 1>;
+       };
+
+       vddio_boot: regulator-vddio_boot {
+               compatible = "regulator-fixed";
+               regulator-name = "VDDIO_BOOT";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+       };
+
+       vddao_3v3: regulator-vddao_3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "VDDAO_3V3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+       };
+
+       vcc_3v3: regulator-vcc_3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "VCC_3V3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+       };
+
+       emmc_pwrseq: emmc-pwrseq {
+               compatible = "mmc-pwrseq-emmc";
+               reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
+       };
+
+       wifi32k: wifi32k {
+               compatible = "pwm-clock";
+               #clock-cells = <0>;
+               clock-frequency = <32768>;
+               pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
+       };
+
+       sdio_pwrseq: sdio-pwrseq {
+               compatible = "mmc-pwrseq-simple";
+               reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
+               clocks = <&wifi32k>;
+               clock-names = "ext_clock";
+       };
 };
 
 &uart_AO {
@@ -107,3 +162,70 @@
        pinctrl-0 = <&remote_input_ao_pins>;
        pinctrl-names = "default";
 };
+
+/* Wireless SDIO Module */
+&sd_emmc_a {
+       status = "okay";
+       pinctrl-0 = <&sdio_pins>;
+       pinctrl-names = "default";
+       #address-cells = <1>;
+       #size-cells = <0>;
+
+       bus-width = <4>;
+       cap-sd-highspeed;
+       max-frequency = <100000000>;
+
+       non-removable;
+       disable-wp;
+
+       mmc-pwrseq = <&sdio_pwrseq>;
+
+       vmmc-supply = <&vddao_3v3>;
+       vqmmc-supply = <&vddio_boot>;
+};
+
+/* SD card */
+&sd_emmc_b {
+       status = "okay";
+       pinctrl-0 = <&sdcard_pins>;
+       pinctrl-names = "default";
+
+       bus-width = <4>;
+       cap-sd-highspeed;
+       max-frequency = <100000000>;
+       disable-wp;
+
+       cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
+       cd-inverted;
+
+       vmmc-supply = <&vddao_3v3>;
+       vqmmc-supply = <&vddio_card>;
+};
+
+/* eMMC */
+&sd_emmc_c {
+       status = "okay";
+       pinctrl-0 = <&emmc_pins>;
+       pinctrl-names = "default";
+
+       bus-width = <8>;
+       cap-sd-highspeed;
+       cap-mmc-highspeed;
+       max-frequency = <200000000>;
+       non-removable;
+       disable-wp;
+       mmc-ddr-1_8v;
+       mmc-hs200-1_8v;
+
+       mmc-pwrseq = <&emmc_pwrseq>;
+       vmmc-supply = <&vcc_3v3>;
+       vqmmc-supply = <&vddio_boot>;
+};
+
+&pwm_ef {
+       status = "okay";
+       pinctrl-0 = <&pwm_e_pins>;
+       pinctrl-names = "default";
+       clocks = <&clkc CLKID_FCLK_DIV4>;
+       clock-names = "clkin0";
+};