Add support for the face buttons, the ACT8600 PMUC, the LCD panel
with backlight, the rumble, internal/external SD readers, and other
things.
Note that the otg-phy node was dropped in the process as it was neither
useful nor used, and was inside a non-compliant board "bus".
Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
---
arch/mips/boot/dts/ingenic/gcw0.dts | 499 +++++++++++++++++++++++++++-
1 file changed, 484 insertions(+), 15 deletions(-)
diff --git a/arch/mips/boot/dts/ingenic/gcw0.dts b/arch/mips/boot/dts/ingenic/gcw0.dts
index f58d239c2058..c2396b5ca175 100644
--- a/arch/mips/boot/dts/ingenic/gcw0.dts
+++ b/arch/mips/boot/dts/ingenic/gcw0.dts
@@ -4,6 +4,10 @@
#include "jz4770.dtsi"
#include <dt-bindings/clock/ingenic,tcu.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/iio/adc/ingenic,adc.h>
+#include <dt-bindings/input/input.h>
+
/ {
compatible = "gcw,zero", "ingenic,jz4770";
model = "GCW Zero";
@@ -19,16 +23,360 @@ chosen {
stdout-path = "serial2:57600n8";
};
- board {
- compatible = "simple-bus";
+ vcc: regulator@0 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc";
+
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ mmc1_power: regulator@1 {
+ compatible = "regulator-fixed";
+ regulator-name = "mmc1_vcc";
+ gpio = <&gpe 9 0>;
+
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc>;
+ };
+
+ headphones_amp: analog-amplifier@0 {
+ compatible = "simple-audio-amplifier";
+ enable-gpios = <&gpf 3 GPIO_ACTIVE_LOW>;
+ enable-delay-ms = <50>;
+
+ VCC-supply = <&ldo5>;
+ sound-name-prefix = "Headphones Amp";
+ };
+
+ speaker_amp: analog-amplifier@1 {
+ compatible = "simple-audio-amplifier";
+ enable-gpios = <&gpf 20 GPIO_ACTIVE_HIGH>;
+
+ VCC-supply = <&ldo5>;
+ sound-name-prefix = "Speaker Amp";
+ };
+
+ sound {
+ compatible = "simple-audio-card";
+
+ simple-audio-card,name = "gcw0-audio";
+ simple-audio-card,format = "i2s";
+
+ simple-audio-card,widgets =
+ "Speaker", "Speaker",
+ "Headphone", "Headphones",
+ "Line", "FM Radio",
+ "Microphone", "Built-in Mic";
+ simple-audio-card,routing =
+ "Headphones Amp INL", "LHPOUT",
+ "Headphones Amp INR", "RHPOUT",
+ "Headphones", "Headphones Amp OUTL",
+ "Headphones", "Headphones Amp OUTR",
+ "Speaker Amp INL", "LOUT",
+ "Speaker Amp INR", "ROUT",
+ "Speaker", "Speaker Amp OUTL",
+ "Speaker", "Speaker Amp OUTR",
+ "LLINEIN", "FM Radio",
+ "RLINEIN", "FM Radio",
+ "Built-in Mic", "MICBIAS",
+ "MIC1P", "Built-in Mic",
+ "MIC1N", "Built-in Mic";
+ simple-audio-card,pin-switches = "Speaker", "Headphones";
+
+ simple-audio-card,hp-det-gpio = <&gpf 21 GPIO_ACTIVE_HIGH>;
+ simple-audio-card,aux-devs = <&speaker_amp>, <&headphones_amp>;
+
+ 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>;
+ };
+ };
+
+ rumble {
+ compatible = "pwm-vibrator";
+ pwms = <&pwm 4 2000000 0>;
+ pwm-names = "enable";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_pwm4>;
+ };
+
+ backlight: backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm 1 40000 0>;
+ power-supply = <&vcc>;
+
+ brightness-levels = <0 16 32 48 64 80 96 112 128
+ 144 160 176 192 208 224 240 255>;
+ default-brightness-level = <12>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_pwm1>;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ autorepeat;
+
+ button@0 {
+ label = "D-pad up";
+ linux,code = <KEY_UP>;
+ linux,can-disable;
+ gpios = <&gpe 21 GPIO_ACTIVE_LOW>;
+ };
+
+ button@1 {
+ label = "D-pad down";
+ linux,code = <KEY_DOWN>;
+ linux,can-disable;
+ gpios = <&gpe 25 GPIO_ACTIVE_LOW>;
+ };
+
+ button@2 {
+ label = "D-pad left";
+ linux,code = <KEY_LEFT>;
+ linux,can-disable;
+ gpios = <&gpe 23 GPIO_ACTIVE_LOW>;
+ };
+
+ button@3 {
+ label = "D-pad right";
+ linux,code = <KEY_RIGHT>;
+ linux,can-disable;
+ gpios = <&gpe 24 GPIO_ACTIVE_LOW>;
+ };
+
+ button@4 {
+ label = "Button A";
+ linux,code = <KEY_LEFTCTRL>;
+ linux,can-disable;
+ gpios = <&gpe 29 GPIO_ACTIVE_LOW>;
+ };
+
+ button@5 {
+ label = "Button B";
+ linux,code = <KEY_LEFTALT>;
+ linux,can-disable;
+ gpios = <&gpe 20 GPIO_ACTIVE_LOW>;
+ };
+
+ button@6 {
+ label = "Button Y";
+ linux,code = <KEY_SPACE>;
+ linux,can-disable;
+ gpios = <&gpe 27 GPIO_ACTIVE_LOW>;
+ };
+
+ button@7 {
+ label = "Button X";
+ linux,code = <KEY_LEFTSHIFT>;
+ linux,can-disable;
+ gpios = <&gpe 28 GPIO_ACTIVE_LOW>;
+ };
+
+ button@8 {
+ label = "Left shoulder button";
+ linux,code = <KEY_TAB>;
+ linux,can-disable;
+ gpios = <&gpb 20 GPIO_ACTIVE_LOW>;
+ };
+
+ button@9 {
+ label = "Right shoulder button";
+ linux,code = <KEY_BACKSPACE>;
+ linux,can-disable;
+ gpios = <&gpe 26 GPIO_ACTIVE_LOW>;
+ };
+
+ button@10 {
+ label = "Start button";
+ linux,code = <KEY_ENTER>;
+ linux,can-disable;
+ gpios = <&gpb 21 GPIO_ACTIVE_LOW>;
+ };
+
+ button@11 {
+ label = "Select button";
+ linux,code = <KEY_ESC>;
+ linux,can-disable;
+ /*
+ * This is the only button that is active high,
+ * since it doubles as BOOT_SEL1.
+ */
+ gpios = <&gpd 18 GPIO_ACTIVE_HIGH>;
+ };
+
+ button@12 {
+ label = "Power slider";
+ linux,code = <KEY_POWER>;
+ linux,can-disable;
+ gpios = <&gpa 30 GPIO_ACTIVE_LOW>;
+ wakeup-source;
+ };
+
+ button@13 {
+ label = "Power hold";
+ linux,code = <KEY_PAUSE>;
+ linux,can-disable;
+ gpios = <&gpf 11 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ i2c3: i2c-controller@3 {
+ compatible = "i2c-gpio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sda-gpios = <&gpd 5 GPIO_ACTIVE_HIGH>;
+ scl-gpios = <&gpd 4 GPIO_ACTIVE_HIGH>;
+ i2c-gpio,delay-us = <2>; /* 250 kHz */
+
+ act8600: pmic@5a {
+ compatible = "active-semi,act8600";
+ reg = <0x5a>;
+
+ regulators {
+ /* USB OTG */
+ otg_vbus: SUDCDC_REG4 {
+ /*
+ * 5.3V instead of 5.0V to compensate
+ * for the voltage drop of a diode
+ * between the regulator and the
+ * connector.
+ */
+ regulator-min-microvolt = <5300000>;
+ regulator-max-microvolt = <5300000>;
+ inl-supply = <&vcc>;
+ };
+
+ /*
+ * When this is off, there is no sound, but also
+ * no USB networking.
+ */
+ ldo5: LDO5 {
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ inl-supply = <&vcc>;
+ };
+
+ /* LCD panel and FM radio */
+ ldo6: LDO6 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ inl-supply = <&vcc>;
+ };
+
+ /* ??? */
+ LDO7 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ /*regulator-always-on;*/
+ inl-supply = <&vcc>;
+ };
+
+ /*
+ * The colors on the LCD are wrong when this is
+ * off. Which is strange, since the LCD panel
+ * data sheet only mentions a 3.3V input.
+ */
+ LDO8 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ inl-supply = <&vcc>;
+ };
+
+ /* RTC fixed 3.3V */
+ LDO_REG9 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ inl-supply = <&vcc>;
+ };
+
+ /* Unused fixed 1.2V */
+ LDO_REG10 {
+ inl-supply = <&vcc>;
+ };
+ };
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led {
+ gpios = <&gpb 30 GPIO_ACTIVE_LOW>;
+ default-state = "on";
+ };
+ };
+
+ spi {
+ compatible = "spi-gpio";
#address-cells = <1>;
- #size-cells = <1>;
- ranges;
+ #size-cells = <0>;
+
+ sck-gpios = <&gpe 15 GPIO_ACTIVE_HIGH>;
+ mosi-gpios = <&gpe 17 GPIO_ACTIVE_HIGH>;
+ cs-gpios = <&gpe 16 GPIO_ACTIVE_HIGH>;
+ num-chipselects = <1>;
+
+ nt39016@0 {
+ compatible = "kingdisplay,kd035g6-54nt";
+ reg = <0>;
+
+ spi-max-frequency = <3125000>;
+ spi-3wire;
+ spi-cs-high;
+
+ reset-gpios = <&gpe 2 GPIO_ACTIVE_LOW>;
- otg_phy: otg-phy {
- compatible = "usb-nop-xceiv";
- clocks = <&cgu JZ4770_CLK_OTG_PHY>;
- clock-names = "main_clk";
+ backlight = <&backlight>;
+ power-supply = <&ldo6>;
+
+ port {
+ panel_input: endpoint {
+ remote-endpoint = <&panel_output>;
+ };
+ };
+ };
+ };
+
+ connector {
+ compatible = "gpio-usb-b-connector", "usb-b-connector";
+ label = "mini-USB";
+ type = "mini";
+
+ /*
+ * USB OTG is not yet working reliably, the ID detection
+ * mechanism tends to fry easily for unknown reasons.
+ * Until this is fixed, disable OTG by not providing the
+ * ID GPIO to the driver.
+ */
+ //id-gpios = <&gpf 18 GPIO_ACTIVE_LOW>;
+
+ vbus-gpios = <&gpb 5 GPIO_ACTIVE_HIGH>;
+ vbus-supply = <&otg_vbus>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_otg>;
+
+ port {
+ usb_ep: endpoint {
+ remote-endpoint = <&usb_otg_ep>;
+ };
};
};
};
@@ -37,24 +385,86 @@ &ext {
clock-frequency = <12000000>;
};
+&pinctrl {
+ pins_lcd: lcd {
+ function = "lcd";
+ groups = "lcd-24bit";
+ };
+
+ pins_uart2: uart2 {
+ function = "uart2";
+ groups = "uart2-data";
+ };
+
+ pins_mmc0: mmc0 {
+ function = "mmc0";
+ groups = "mmc0-1bit-a", "mmc0-4bit-a";
+ };
+
+ pins_mmc1: mmc1 {
+ function = "mmc1";
+ groups = "mmc1-1bit-d", "mmc1-4bit-d";
+ };
+
+ pins_otg: otg {
+ otg-vbus-pin {
+ function = "otg";
+ groups = "otg-vbus";
+ };
+
+ vbus-pin {
+ pins = "PB5";
+ bias-disable;
+ };
+ };
+
+ pins_pwm1: pwm1 {
+ function = "pwm1";
+ groups = "pwm1";
+ };
+
+ pins_pwm4: pwm4 {
+ function = "pwm4";
+ groups = "pwm4";
+ };
+};
+
&uart2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_uart2>;
+
status = "okay";
};
&cgu {
- /* Put high-speed peripherals under PLL1, such that we can change the
+ /*
+ * Put high-speed peripherals under PLL1, such that we can change the
* PLL0 frequency on demand without having to suspend peripherals.
* We use a rate of 432 MHz, which is the least common multiple of
* 27 MHz (required by TV encoder) and 48 MHz (required by USB host).
+ * Put the GPU under PLL0 since we want a higher frequency.
+ * Use the 32 kHz oscillator as the parent of the RTC for a higher
+ * precision.
*/
assigned-clocks =
<&cgu JZ4770_CLK_PLL1>,
- <&cgu JZ4770_CLK_UHC>;
+ <&cgu JZ4770_CLK_GPU>,
+ <&cgu JZ4770_CLK_RTC>,
+ <&cgu JZ4770_CLK_UHC>,
+ <&cgu JZ4770_CLK_LPCLK_MUX>,
+ <&cgu JZ4770_CLK_MMC0_MUX>,
+ <&cgu JZ4770_CLK_MMC1_MUX>;
assigned-clock-parents =
<0>,
+ <&cgu JZ4770_CLK_PLL0>,
+ <&cgu JZ4770_CLK_OSC32K>,
+ <&cgu JZ4770_CLK_PLL1>,
+ <&cgu JZ4770_CLK_PLL1>,
+ <&cgu JZ4770_CLK_PLL1>,
<&cgu JZ4770_CLK_PLL1>;
assigned-clock-rates =
- <432000000>;
+ <432000000>,
+ <600000000>;
};
&uhc {
@@ -63,10 +473,69 @@ &uhc {
};
&tcu {
- /* 750 kHz for the system timer and clocksource */
- assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER2>;
- assigned-clock-rates = <750000>, <750000>;
+ /*
+ * 750 kHz for the system timer and clocksource, 12 MHz for the OST,
+ * and use RTC as the parent for the watchdog clock
+ */
+ assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER2>,
+ <&tcu TCU_CLK_OST>, <&tcu TCU_CLK_WDT>;
+ assigned-clock-parents = <0>, <0>, <0>, <&cgu JZ4770_CLK_RTC>;
+ assigned-clock-rates = <750000>, <750000>, <12000000>;
- /* PWM1 is in use, so reserve channel #2 for the clocksource */
+ /* PWM1 is in use, so use channel #2 for the clocksource */
ingenic,pwm-channels-mask = <0xfa>;
};
+
+&usb_otg {
+ port {
+ usb_otg_ep: endpoint {
+ remote-endpoint = <&usb_ep>;
+ };
+ };
+};
+
+&otg_phy {
+ vcc-supply = <&ldo5>;
+};
+
+&rtc {
+ clocks = <&cgu JZ4770_CLK_RTC>;
+ clock-names = "rtc";
+
+ system-power-controller;
+};
+
+&mmc0 {
+ status = "okay";
+
+ bus-width = <4>;
+ max-frequency = <48000000>;
+ vmmc-supply = <&vcc>;
+ non-removable;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_mmc0>;
+};
+
+&mmc1 {
+ status = "okay";
+
+ bus-width = <4>;
+ max-frequency = <48000000>;
+ cd-gpios = <&gpb 2 GPIO_ACTIVE_LOW>;
+ vmmc-supply = <&mmc1_power>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_mmc1>;
+};
+
+&lcd {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_lcd>;
+
+ port {
+ panel_output: endpoint {
+ remote-endpoint = <&panel_input>;
+ };
+ };
+};
--
2.25.1
