From 8dfee3ad137950d7f5bc83d36da27890dbd711d4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ond=C5=99ej=20Jirman?= Date: Sun, 23 Feb 2020 01:23:10 +0100 Subject: [PATCH 079/389] ARM: dts: sun5i: Add PocketBook Touch Lux 3 display/ctp support Add support for display and touchscreen via out-of-tree drivers. Signed-off-by: Ondrej Jirman --- .../dts/sun5i-a13-pocketbook-touch-lux-3.dts | 105 +++++++++++++++++- 1 file changed, 103 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts b/arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts index d60407772e5d..db28ab621804 100644 --- a/arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts +++ b/arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts @@ -62,6 +62,11 @@ key-left { }; }; + regulator-eink { + compatible = "custom,reg-userspace-consumer"; + controlled-supply = <&tp65185x>; + }; + reg_1v8: regulator-1v8 { compatible = "regulator-fixed"; regulator-name = "vdd-1v8-nor-ctp"; @@ -79,7 +84,6 @@ reg_1v8_nor: regulator-nor { gpio = <&pio 2 14 GPIO_ACTIVE_HIGH>; enable-active-high; vin-supply = <®_1v8>; - regulator-always-on; }; reg_1v8_ctp: regulator-ctp { @@ -112,6 +116,7 @@ &ehci0 { &i2c0 { status = "okay"; + //XXX: bsp has pullup on PB0/PB1 pins enabled, but it works without it axp209: pmic@34 { reg = <0x34>; @@ -128,12 +133,42 @@ pcf8563: rtc@51 { compatible = "nxp,pcf8563"; reg = <0x51>; }; + + // hacky PMIC driver for eInk display + tp65185x: regulator@68 { + compatible = "tp,tp65185x"; + reg = <0x68>; + + regulator-min-microvolt = <3120000>; + regulator-max-microvolt = <3120000>; + regulator-name = "eink-vcom"; + + //XXX: we don't use interrupts in the driver right now + //interrupt-parent = <&pio>; + //interrupts = <1 10 IRQ_TYPE_LEVEL_LOW>; /* PB10 */ + + wakeup-gpios = <&pio 3 18 GPIO_ACTIVE_HIGH>; /* PD18 */ + powerup-gpios = <&pio 4 7 GPIO_ACTIVE_HIGH>; /* PE7 */ + vcom-gpios = <&pio 3 19 GPIO_ACTIVE_HIGH>; /* PD19 */ + //XXX: not a pullup on BSP (might have an external resistor) + powergood-gpios = <&pio 4 6 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PE6 */ + }; }; &i2c2 { status = "okay"; - /* Touchpanel is connected here. */ + touchpanel@24 { + compatible = "cypress,cyttsp4_i2c_adapter"; + reg = <0x24>; + + interrupt-parent = <&pio>; + interrupts = <6 11 IRQ_TYPE_EDGE_FALLING>; /* PG11 */ + + vdd-supply = <®_1v8_ctp>; + power-gpios = <&pio 4 5 GPIO_ACTIVE_LOW>; /* PE5 */ + reset-gpios = <&pio 1 3 GPIO_ACTIVE_LOW>; /* PB3 */ + }; }; &lradc { @@ -179,6 +214,20 @@ &otg_sram { status = "okay"; }; +&pio { + eink_pins_active: eink-pins-lcd { + pins = "PD3", "PD4", "PD5", "PD6", "PD7", "PD10", "PD11", "PD12", + "PD13", "PD15", "PD20", "PD21", "PD22", "PD23", "PD24"; + function = "lcd0"; + }; + + eink_pins_idle: eink-pins-gpio { + pins = "PD3", "PD4", "PD5", "PD6", "PD7", "PD10", "PD11", "PD12", + "PD13", "PD15", "PD20", "PD21", "PD22", "PD23", "PD24"; + function = "gpio_out"; + }; +}; + &pwm { pinctrl-names = "default"; pinctrl-0 = <&pwm0_pin>; @@ -219,6 +268,55 @@ ®_ldo3 { regulator-ramp-delay = <1600>; }; +&soc { + display-controller@1c0c000 { + pinctrl-names = "idle", "active"; + pinctrl-0 = <&eink_pins_idle>; + pinctrl-1 = <&eink_pins_active>; + + all-gpios = <&pio 3 3 GPIO_ACTIVE_HIGH>, + <&pio 3 4 GPIO_ACTIVE_HIGH>, + <&pio 3 5 GPIO_ACTIVE_HIGH>, + <&pio 3 6 GPIO_ACTIVE_HIGH>, + <&pio 3 7 GPIO_ACTIVE_HIGH>, + <&pio 3 10 GPIO_ACTIVE_HIGH>, + <&pio 3 11 GPIO_ACTIVE_HIGH>, + <&pio 3 12 GPIO_ACTIVE_HIGH>, + <&pio 3 13 GPIO_ACTIVE_HIGH>, + <&pio 3 15 GPIO_ACTIVE_HIGH>, + <&pio 3 20 GPIO_ACTIVE_HIGH>, + <&pio 3 21 GPIO_ACTIVE_HIGH>, + <&pio 3 22 GPIO_ACTIVE_HIGH>, + <&pio 3 23 GPIO_ACTIVE_HIGH>, + <&pio 3 24 GPIO_ACTIVE_HIGH>; + + compatible = "custom,pocketbook-touch-lux-3-tcon0-ed060xd4-display"; + reg = <0x01c0c000 0x1000>, // TCON0 regs + <0x01e60000 0x10000>; // DEBE regs + + interrupts = <44>; // TCON interrupt + + resets = <&ccu RST_LCD>, <&ccu RST_DE_BE>; + reset-names = "tcon", "be"; + + clocks = <&ccu CLK_AHB_LCD>, <&ccu CLK_TCON_CH0>, + <&ccu CLK_AHB_DE_BE>, <&ccu CLK_DE_BE>, + <&ccu CLK_DRAM_DE_BE>; + clock-names = "tcon_bus", "tcon_mod", + "be_bus", "be_mod", + "be_ram"; + + assigned-clocks = <&ccu CLK_DE_BE>; + assigned-clock-rates = <300000000>; + + interconnects = <&mbus 18>; + interconnect-names = "dma-mem"; + + panel-supply = <&tp65185x>; + control-device-name = "eink-panel"; + }; +}; + &spi2 { pinctrl-names = "default"; pinctrl-0 = <&spi2_pe_pins>, <&spi2_cs0_pe_pin>; @@ -230,6 +328,7 @@ epd_flash: flash@0 { compatible = "macronix,mx25u4033", "jedec,spi-nor"; reg = <0>; spi-max-frequency = <4000000>; + vdd-supply = <®_1v8_nor>; }; }; @@ -253,6 +352,8 @@ &usb_power_supply { }; &usbphy { + //XXX: might not work, need to test + usb0_vbus_det-gpios = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */ usb1_vbus-supply = <®_ldo3>; status = "okay"; }; -- 2.35.3