diff options
Diffstat (limited to 'arch/mips/boot/dts/ingenic/rs90.dts')
| -rw-r--r-- | arch/mips/boot/dts/ingenic/rs90.dts | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/arch/mips/boot/dts/ingenic/rs90.dts b/arch/mips/boot/dts/ingenic/rs90.dts new file mode 100644 index 000000000..e8df70dd4 --- /dev/null +++ b/arch/mips/boot/dts/ingenic/rs90.dts @@ -0,0 +1,327 @@ +// SPDX-License-Identifier: GPL-2.0 +/dts-v1/; + +#include "jz4725b.dtsi" + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/iio/adc/ingenic,adc.h> +#include <dt-bindings/input/linux-event-codes.h> + +/ { + compatible = "ylm,rs90", "ingenic,jz4725b"; + model = "RS-90"; + + memory { + device_type = "memory"; + reg = <0x0 0x2000000>; + }; + + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + vmem: video-memory@1f00000 { + compatible = "shared-dma-pool"; + reg = <0x1f00000 0x100000>; + reusable; + }; + }; + + vcc: regulator { + compatible = "regulator-fixed"; + + regulator-name = "vcc"; + regulaor-min-microvolt = <3300000>; + regulaor-max-microvolt = <3300000>; + regulator-always-on; + }; + + backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&pwm 3 40000 0>; + + brightness-levels = <0 16 32 48 64 80 112 144 192 255>; + default-brightness-level = <8>; + + pinctrl-names = "default"; + pinctrl-0 = <&pins_pwm3>; + + power-supply = <&vcc>; + }; + + keys@0 { + compatible = "gpio-keys"; + + key-0 { + label = "D-pad up"; + linux,code = <KEY_UP>; + gpios = <&gpc 10 GPIO_ACTIVE_LOW>; + }; + + key-1 { + label = "D-pad down"; + linux,code = <KEY_DOWN>; + gpios = <&gpc 11 GPIO_ACTIVE_LOW>; + }; + + key-2 { + label = "D-pad left"; + linux,code = <KEY_LEFT>; + gpios = <&gpb 31 GPIO_ACTIVE_LOW>; + }; + + key-3 { + label = "D-pad right"; + linux,code = <KEY_RIGHT>; + gpios = <&gpd 21 GPIO_ACTIVE_LOW>; + }; + + key-4 { + label = "Button A"; + linux,code = <KEY_LEFTCTRL>; + gpios = <&gpc 31 GPIO_ACTIVE_LOW>; + }; + + key-5 { + label = "Button B"; + linux,code = <KEY_LEFTALT>; + gpios = <&gpc 30 GPIO_ACTIVE_LOW>; + }; + + key-6 { + label = "Right shoulder button"; + linux,code = <KEY_BACKSPACE>; + gpios = <&gpc 12 GPIO_ACTIVE_LOW>; + debounce-interval = <10>; + }; + + key-7 { + label = "Start button"; + linux,code = <KEY_ENTER>; + gpios = <&gpd 17 GPIO_ACTIVE_LOW>; + }; + }; + + keys@1 { + compatible = "adc-keys"; + io-channels = <&adc INGENIC_ADC_AUX>; + io-channel-names = "buttons"; + keyup-threshold-microvolt = <1400000>; + poll-interval = <30>; + + key@0 { + label = "Left shoulder button"; + linux,code = <KEY_TAB>; + press-threshold-microvolt = <800000>; + }; + + key@1 { + label = "Select button"; + linux,code = <KEY_ESC>; + press-threshold-microvolt = <1100000>; + }; + }; + + amp: analog-amplifier { + compatible = "simple-audio-amplifier"; + enable-gpios = <&gpc 15 GPIO_ACTIVE_HIGH>; + + VCC-supply = <&vcc>; + }; + + sound { + compatible = "simple-audio-card"; + + simple-audio-card,name = "rs90-audio"; + simple-audio-card,format = "i2s"; + + simple-audio-card,widgets = + "Speaker", "Speaker", + "Headphone", "Headphones"; + simple-audio-card,routing = + "INL", "LHPOUT", + "INR", "RHPOUT", + "Headphones", "LHPOUT", + "Headphones", "RHPOUT", + "Speaker", "OUTL", + "Speaker", "OUTR"; + simple-audio-card,pin-switches = "Speaker"; + + simple-audio-card,hp-det-gpio = <&gpd 16 GPIO_ACTIVE_LOW>; + simple-audio-card,aux-devs = <&>; + + simple-audio-card,bitclock-master = <&dai_codec>; + simple-audio-card,frame-master = <&dai_codec>; + + dai_cpu: simple-audio-card,cpu { + sound-dai = <&aic>; + }; + + dai_codec: simple-audio-card,codec { + sound-dai = <&codec>; + }; + + }; + + usb_phy: usb-phy { + compatible = "usb-nop-xceiv"; + #phy-cells = <0>; + + clocks = <&cgu JZ4725B_CLK_UDC_PHY>; + clock-names = "main_clk"; + vcc-supply = <&vcc>; + }; + + panel { + compatible = "sharp,ls020b1dd01d"; + + backlight = <&backlight>; + power-supply = <&vcc>; + + port { + panel_input: endpoint { + remote-endpoint = <&panel_output>; + }; + }; + }; +}; + +&ext { + clock-frequency = <12000000>; +}; + +&rtc_dev { + system-power-controller; +}; + +&udc { + phys = <&usb_phy>; +}; + +&pinctrl { + pins_mmc1: mmc1 { + function = "mmc1"; + groups = "mmc1-1bit"; + }; + + pins_nemc: nemc { + function = "nand"; + groups = "nand-cs1", "nand-cle-ale", "nand-fre-fwe"; + }; + + pins_pwm3: pwm3 { + function = "pwm3"; + groups = "pwm3"; + bias-disable; + }; + + pins_lcd: lcd { + function = "lcd"; + groups = "lcd-8bit", "lcd-16bit", "lcd-special"; + }; +}; + +&mmc0 { + status = "disabled"; +}; + +&mmc1 { + bus-width = <1>; + max-frequency = <48000000>; + + pinctrl-names = "default"; + pinctrl-0 = <&pins_mmc1>; + + cd-gpios = <&gpc 20 GPIO_ACTIVE_LOW>; +}; + +&uart { + /* + * The pins for RX/TX are used for the right shoulder button and + * backlight PWM. + */ + status = "disabled"; +}; + +&nemc { + nandc: nand-controller@1 { + compatible = "ingenic,jz4725b-nand"; + reg = <1 0 0x4000000>; + + #address-cells = <1>; + #size-cells = <0>; + + ecc-engine = <&bch>; + + ingenic,nemc-tAS = <10>; + ingenic,nemc-tAH = <5>; + ingenic,nemc-tBP = <10>; + ingenic,nemc-tAW = <15>; + ingenic,nemc-tSTRV = <100>; + + pinctrl-names = "default"; + pinctrl-0 = <&pins_nemc>; + + rb-gpios = <&gpc 27 GPIO_ACTIVE_HIGH>; + + nand@1 { + reg = <1>; + + nand-ecc-step-size = <512>; + nand-ecc-strength = <8>; + nand-ecc-mode = "hw"; + nand-is-boot-medium; + nand-on-flash-bbt; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "bootloader"; + reg = <0x0 0x20000>; + }; + + partition@20000 { + label = "system"; + reg = <0x20000 0x0>; + }; + }; + }; + }; +}; + +&cgu { + /* Use 32kHz oscillator as the parent of the RTC clock */ + assigned-clocks = <&cgu JZ4725B_CLK_RTC>; + assigned-clock-parents = <&cgu JZ4725B_CLK_OSC32K>; +}; + +&tcu { + /* + * 750 kHz for the system timer and clocksource, and use RTC as the + * parent for the watchdog clock. + */ + assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>, <&tcu TCU_CLK_WDT>; + assigned-clock-parents = <0>, <0>, <&cgu JZ4725B_CLK_RTC>; + assigned-clock-rates = <750000>, <750000>; +}; + +&lcd { + memory-region = <&vmem>; + + pinctrl-names = "default"; + pinctrl-0 = <&pins_lcd>; +}; + +&lcd_ports { + port@0 { + reg = <0>; + + panel_output: endpoint { + remote-endpoint = <&panel_input>; + }; + }; +}; |