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ARM64: dts: meson-gxbb: add MMC support 

Add binding and basic support for the SD/eMMC controller on Amlogic
S905/GXBB devices.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
[narmstrong: added nodes for GX, enabled SDIO on P20x]
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This commit is contained in:
Kevin Hilman 2016-10-20 13:42:54 +02:00
parent 5a0803bd5a
commit ef8d2ffedf
4 changed files with 230 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
arch/arm64/boot/dts/amlogic/meson-gx.dtsi
View File

@ -203,6 +203,27 @@
#address-cells = <2>;
#size-cells = <2>;
ranges = <0x0 0x0 0x0 0xd0000000 0x0 0x200000>;
sd_emmc_a: mmc@70000 {
compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
reg = <0x0 0x70000 0x0 0x2000>;
interrupts = <GIC_SPI 216 IRQ_TYPE_EDGE_RISING>;
status = "disabled";
};
sd_emmc_b: mmc@72000 {
compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
reg = <0x0 0x72000 0x0 0x2000>;
interrupts = <GIC_SPI 217 IRQ_TYPE_EDGE_RISING>;
status = "disabled";
};
sd_emmc_c: mmc@74000 {
compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
reg = <0x0 0x74000 0x0 0x2000>;
interrupts = <GIC_SPI 218 IRQ_TYPE_EDGE_RISING>;
status = "disabled";
};
};
};
};

88
arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
View File

@ -85,6 +85,56 @@
default-state = "off";
};
};
tflash_vdd: regulator-tflash_vdd {
/*
* signal name from schematics: TFLASH_VDD_EN
*/
compatible = "regulator-fixed";
regulator-name = "TFLASH_VDD";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio_ao GPIOAO_12 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
tf_io: gpio-regulator-tf_io {
compatible = "regulator-gpio";
regulator-name = "TF_IO";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
/*
* signal name from schematics: TF_3V3N_1V8_EN
*/
gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
gpios-states = <0>;
states = <3300000 0
1800000 1>;
};
vcc1v8: regulator-vcc1v8 {
compatible = "regulator-fixed";
regulator-name = "VCC1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
vcc3v3: regulator-vcc3v3 {
compatible = "regulator-fixed";
regulator-name = "VCC3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
emmc_pwrseq: emmc-pwrseq {
compatible = "mmc-pwrseq-emmc";
reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
};
};
&uart_AO {
@ -127,3 +177,41 @@
&usb1 {
status = "okay";
};
/* SD */
&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 = <&tflash_vdd>;
vqmmc-supply = <&tf_io>;
};
/* eMMC */
&sd_emmc_c {
status = "okay";
pinctrl-0 = <&emmc_pins>;
pinctrl-names = "default";
bus-width = <8>;
cap-sd-highspeed;
max-frequency = <200000000>;
non-removable;
disable-wp;
cap-mmc-highspeed;
mmc-ddr-1_8v;
mmc-hs200-1_8v;
mmc-pwrseq = <&emmc_pwrseq>;
vmmc-supply = <&vcc3v3>;
vqmmc-supply = <&vcc1v8>;
};

98
arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
View File

@ -70,6 +70,47 @@
gpio = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
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>;
};
};
/* This UART is brought out to the DB9 connector */
@ -107,3 +148,60 @@
&usb1 {
status = "okay";
};
/* 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;
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>;
};

24
arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
View File

@ -349,7 +349,8 @@
mux {
groups = "emmc_nand_d07",
"emmc_cmd",
"emmc_clk";
"emmc_clk",
"emmc_ds";
function = "emmc";
};
};
@ -545,3 +546,24 @@
#mbox-cells = <1>;
};
};
&sd_emmc_a {
clocks = <&clkc CLKID_SD_EMMC_A>,
<&xtal>,
<&clkc CLKID_FCLK_DIV2>;
clock-names = "core", "clkin0", "clkin1";
};
&sd_emmc_b {
clocks = <&clkc CLKID_SD_EMMC_B>,
<&xtal>,
<&clkc CLKID_FCLK_DIV2>;
clock-names = "core", "clkin0", "clkin1";
};
&sd_emmc_c {
clocks = <&clkc CLKID_SD_EMMC_C>,
<&xtal>,
<&clkc CLKID_FCLK_DIV2>;
clock-names = "core", "clkin0", "clkin1";
};