diff options
Diffstat (limited to 'arch/arm/boot/dts/sun5i-r8-chip.dts')
| -rw-r--r-- | arch/arm/boot/dts/sun5i-r8-chip.dts | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun5i-r8-chip.dts b/arch/arm/boot/dts/sun5i-r8-chip.dts index b68a12374b35..c6da5ad37152 100644 --- a/arch/arm/boot/dts/sun5i-r8-chip.dts +++ b/arch/arm/boot/dts/sun5i-r8-chip.dts @@ -56,9 +56,11 @@ aliases { i2c0 = &i2c0; + i2c1 = &i2c1; i2c2 = &i2c2; serial0 = &uart1; serial1 = &uart3; + spi0 = &spi2; }; chosen { @@ -74,6 +76,20 @@ default-state = "on"; }; }; + + mmc0_pwrseq: mmc0_pwrseq { + compatible = "mmc-pwrseq-simple"; + pinctrl-names = "default"; + pinctrl-0 = <&chip_wifi_reg_on_pin>; + reset-gpios = <&pio 2 19 GPIO_ACTIVE_LOW>; /* PC19 */ + }; + + onewire { + compatible = "w1-gpio"; + gpios = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */ + pinctrl-names = "default"; + pinctrl-0 = <&chip_w1_pin>; + }; }; &be0 { @@ -112,6 +128,12 @@ #include "axp209.dtsi" +&i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins_a>; + status = "disabled"; +}; + &i2c2 { pinctrl-names = "default"; pinctrl-0 = <&i2c2_pins_a>; @@ -131,10 +153,15 @@ }; }; +&mmc0_pins_a { + allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; +}; + &mmc0 { pinctrl-names = "default"; pinctrl-0 = <&mmc0_pins_a>; vmmc-supply = <®_vcc3v3>; + mmc-pwrseq = <&mmc0_pwrseq>; bus-width = <4>; non-removable; status = "okay"; @@ -156,12 +183,26 @@ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; }; + chip_wifi_reg_on_pin: chip_wifi_reg_on_pin@0 { + allwinner,pins = "PC19"; + allwinner,function = "gpio_out"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + chip_id_det_pin: chip_id_det_pin@0 { allwinner,pins = "PG2"; allwinner,function = "gpio_in"; allwinner,drive = <SUN4I_PINCTRL_10_MA>; allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; }; + + chip_w1_pin: chip_w1_pin@0 { + allwinner,pins = "PD2"; + allwinner,function = "gpio_in"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; + }; }; ®_dcdc2 { @@ -189,6 +230,28 @@ regulator-always-on; }; +/* + * Both LDO3 and LDO4 are used in parallel to power up the WiFi/BT + * Chip. + * + * If those are not enabled, the SDIO part will not enumerate, and + * since there's no way currently to pass DT infos to an SDIO device, + * we cannot really do better than this ugly hack for now. + */ +®_ldo3 { + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vcc-wifi-1"; + regulator-always-on; +}; + +®_ldo4 { + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vcc-wifi-2"; + regulator-always-on; +}; + ®_ldo5 { regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; @@ -202,6 +265,12 @@ status = "okay"; }; +&spi2 { + pinctrl-names = "default"; + pinctrl-0 = <&spi2_pins_a>; + status = "disabled"; +}; + &tcon0 { status = "okay"; }; |