diff options
Diffstat (limited to 'arch/arm/boot/dts/overlays/rpi-cirrus-wm5102-overlay.dts')
| -rw-r--r-- | arch/arm/boot/dts/overlays/rpi-cirrus-wm5102-overlay.dts | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/overlays/rpi-cirrus-wm5102-overlay.dts b/arch/arm/boot/dts/overlays/rpi-cirrus-wm5102-overlay.dts new file mode 100644 index 000000000000..ed0c2745399f --- /dev/null +++ b/arch/arm/boot/dts/overlays/rpi-cirrus-wm5102-overlay.dts @@ -0,0 +1,172 @@ +// Definitions for the Cirrus Logic Audio Card +/dts-v1/; +/plugin/; +#include <dt-bindings/pinctrl/bcm2835.h> +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/mfd/arizona.h> + +/ { + compatible = "brcm,bcm2835"; + + fragment@0 { + target = <&i2s>; + __overlay__ { + status = "okay"; + }; + }; + + fragment@1 { + target = <&gpio>; + __overlay__ { + wlf_5102_pins: wlf_5102_pins { + brcm,pins = <17 22 27>; + brcm,function = < + BCM2835_FSEL_GPIO_OUT + BCM2835_FSEL_GPIO_OUT + BCM2835_FSEL_GPIO_IN + >; + }; + wlf_8804_pins: wlf_8804_pins { + brcm,pins = <8>; + brcm,function = <BCM2835_FSEL_GPIO_OUT>; + }; + }; + }; + + fragment@2 { + target = <&spi0_cs_pins>; + __overlay__ { + brcm,pins = <7>; + brcm,function = <BCM2835_FSEL_GPIO_OUT>; + }; + }; + + + fragment@3 { + target-path = "/"; + __overlay__ { + rpi_cirrus_reg_1v8: rpi_cirrus_reg_1v8 { + compatible = "regulator-fixed"; + regulator-name = "RPi-Cirrus 1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; + }; + }; + + fragment@4 { + target = <&spidev0>; + __overlay__ { + status = "disabled"; + }; + }; + + fragment@5 { + target = <&spidev1>; + __overlay__ { + status = "disabled"; + }; + }; + + fragment@6 { + target = <&spi0>; + __overlay__ { + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + cs-gpios = <&gpio 7 GPIO_ACTIVE_LOW>; + + wm5102@0{ + compatible = "wlf,wm5102"; + reg = <0>; + + pinctrl-names = "default"; + pinctrl-0 = <&wlf_5102_pins>; + + spi-max-frequency = <500000>; + + interrupt-parent = <&gpio>; + interrupts = <27 8>; + interrupt-controller; + #interrupt-cells = <2>; + + gpio-controller; + #gpio-cells = <2>; + + LDOVDD-supply = <&rpi_cirrus_reg_1v8>; + AVDD-supply = <&rpi_cirrus_reg_1v8>; + DBVDD1-supply = <&rpi_cirrus_reg_1v8>; + DBVDD2-supply = <&vdd_3v3_reg>; + DBVDD3-supply = <&vdd_3v3_reg>; + CPVDD-supply = <&rpi_cirrus_reg_1v8>; + SPKVDDL-supply = <&vdd_5v0_reg>; + SPKVDDR-supply = <&vdd_5v0_reg>; + DCVDD-supply = <&arizona_ldo1>; + + reset-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>; + wlf,ldoena = <&gpio 22 GPIO_ACTIVE_HIGH>; + wlf,gpio-defaults = < + ARIZONA_GP_DEFAULT + ARIZONA_GP_DEFAULT + ARIZONA_GP_DEFAULT + ARIZONA_GP_DEFAULT + ARIZONA_GP_DEFAULT + >; + wlf,micd-configs = <0 1 0>; + wlf,dmic-ref = < + ARIZONA_DMIC_MICVDD + ARIZONA_DMIC_MICBIAS2 + ARIZONA_DMIC_MICVDD + ARIZONA_DMIC_MICVDD + >; + wlf,inmode = < + ARIZONA_INMODE_DIFF + ARIZONA_INMODE_DMIC + ARIZONA_INMODE_SE + ARIZONA_INMODE_DIFF + >; + status = "okay"; + + arizona_ldo1: ldo1 { + regulator-name = "LDO1"; + // default constraints as in + // arizona-ldo1.c + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1800000>; + }; + }; + }; + }; + + fragment@7 { + target = <&i2c1>; + __overlay__ { + status = "okay"; + #address-cells = <1>; + #size-cells = <0>; + + wm8804@3b { + compatible = "wlf,wm8804"; + reg = <0x3b>; + status = "okay"; + + pinctrl-names = "default"; + pinctrl-0 = <&wlf_8804_pins>; + + PVDD-supply = <&vdd_3v3_reg>; + DVDD-supply = <&vdd_3v3_reg>; + wlf,reset-gpio = <&gpio 8 GPIO_ACTIVE_HIGH>; + }; + }; + }; + + fragment@8 { + target = <&sound>; + __overlay__ { + compatible = "wlf,rpi-cirrus"; + i2s-controller = <&i2s>; + status = "okay"; + }; + }; +}; |