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b0c07c5af6
This allows adding devices for which the firmware exposes control interface via the mailbox. An example of such device is the GPIO expander. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Eric Anholt <eric@anholt.net>
111 lines
1.7 KiB
Plaintext
111 lines
1.7 KiB
Plaintext
#include <dt-bindings/power/raspberrypi-power.h>
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/ {
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memory {
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device_type = "memory";
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reg = <0 0x10000000>;
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};
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leds {
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compatible = "gpio-leds";
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act {
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label = "ACT";
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default-state = "keep";
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linux,default-trigger = "heartbeat";
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};
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};
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soc {
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firmware: firmware {
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compatible = "raspberrypi,bcm2835-firmware", "simple-bus";
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#address-cells = <0>;
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#size-cells = <0>;
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mboxes = <&mailbox>;
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};
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power: power {
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compatible = "raspberrypi,bcm2835-power";
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firmware = <&firmware>;
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#power-domain-cells = <1>;
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};
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};
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};
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&gpio {
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pinctrl-names = "default";
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gpioout: gpioout {
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brcm,pins = <6>;
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brcm,function = <BCM2835_FSEL_GPIO_OUT>;
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};
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alt0: alt0 {
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brcm,pins = <4 5 7 8 9 10 11>;
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brcm,function = <BCM2835_FSEL_ALT0>;
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};
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};
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&i2c0 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c0_gpio0>;
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status = "okay";
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clock-frequency = <100000>;
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};
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&i2c1 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c1_gpio2>;
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status = "okay";
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clock-frequency = <100000>;
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};
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&i2c2 {
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status = "okay";
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};
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&sdhci {
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pinctrl-names = "default";
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pinctrl-0 = <&emmc_gpio48>;
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bus-width = <4>;
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};
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&sdhost {
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pinctrl-names = "default";
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pinctrl-0 = <&sdhost_gpio48>;
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status = "okay";
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bus-width = <4>;
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};
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&pwm {
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pinctrl-names = "default";
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pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
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status = "okay";
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};
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&usb {
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power-domains = <&power RPI_POWER_DOMAIN_USB>;
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};
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&v3d {
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power-domains = <&power RPI_POWER_DOMAIN_V3D>;
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};
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&hdmi {
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power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
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status = "okay";
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};
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&vec {
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power-domains = <&power RPI_POWER_DOMAIN_VEC>;
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status = "okay";
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};
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&dsi0 {
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power-domains = <&power RPI_POWER_DOMAIN_DSI0>;
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};
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&dsi1 {
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power-domains = <&power RPI_POWER_DOMAIN_DSI1>;
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};
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