187 lines
5.0 KiB
Diff
187 lines
5.0 KiB
Diff
From 64a2e342d46f68af9d47c27c99d6ddac0ae9128e Mon Sep 17 00:00:00 2001
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From: Ondrej Jirman <megous@megous.com>
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Date: Sun, 23 Feb 2020 01:23:10 +0100
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Subject: [PATCH 200/478] ARM: dts: sun5i: Add PocketBook Touch Lux 3
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display/ctp support
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Add support for display and touchscreen via out-of-tree drivers.
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Signed-off-by: Ondrej Jirman <megous@megous.com>
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---
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.../dts/sun5i-a13-pocketbook-touch-lux-3.dts | 105 +++++++++++++++++-
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1 file changed, 103 insertions(+), 2 deletions(-)
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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
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index d60407772e5d..db28ab621804 100644
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--- a/arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts
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+++ b/arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts
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@@ -62,6 +62,11 @@ key-left {
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};
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};
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+ regulator-eink {
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+ compatible = "custom,reg-userspace-consumer";
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+ controlled-supply = <&tp65185x>;
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+ };
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+
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reg_1v8: regulator-1v8 {
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compatible = "regulator-fixed";
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regulator-name = "vdd-1v8-nor-ctp";
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@@ -79,7 +84,6 @@ reg_1v8_nor: regulator-nor {
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gpio = <&pio 2 14 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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vin-supply = <®_1v8>;
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- regulator-always-on;
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};
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reg_1v8_ctp: regulator-ctp {
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@@ -112,6 +116,7 @@ &ehci0 {
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&i2c0 {
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status = "okay";
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+ //XXX: bsp has pullup on PB0/PB1 pins enabled, but it works without it
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axp209: pmic@34 {
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reg = <0x34>;
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@@ -128,12 +133,42 @@ pcf8563: rtc@51 {
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compatible = "nxp,pcf8563";
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reg = <0x51>;
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};
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+
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+ // hacky PMIC driver for eInk display
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+ tp65185x: regulator@68 {
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+ compatible = "tp,tp65185x";
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+ reg = <0x68>;
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+
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+ regulator-min-microvolt = <3120000>;
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+ regulator-max-microvolt = <3120000>;
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+ regulator-name = "eink-vcom";
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+
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+ //XXX: we don't use interrupts in the driver right now
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+ //interrupt-parent = <&pio>;
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+ //interrupts = <1 10 IRQ_TYPE_LEVEL_LOW>; /* PB10 */
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+
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+ wakeup-gpios = <&pio 3 18 GPIO_ACTIVE_HIGH>; /* PD18 */
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+ powerup-gpios = <&pio 4 7 GPIO_ACTIVE_HIGH>; /* PE7 */
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+ vcom-gpios = <&pio 3 19 GPIO_ACTIVE_HIGH>; /* PD19 */
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+ //XXX: not a pullup on BSP (might have an external resistor)
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+ powergood-gpios = <&pio 4 6 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PE6 */
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+ };
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};
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&i2c2 {
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status = "okay";
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- /* Touchpanel is connected here. */
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+ touchpanel@24 {
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+ compatible = "cypress,cyttsp4_i2c_adapter";
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+ reg = <0x24>;
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+
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+ interrupt-parent = <&pio>;
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+ interrupts = <6 11 IRQ_TYPE_EDGE_FALLING>; /* PG11 */
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+
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+ vdd-supply = <®_1v8_ctp>;
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+ power-gpios = <&pio 4 5 GPIO_ACTIVE_LOW>; /* PE5 */
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+ reset-gpios = <&pio 1 3 GPIO_ACTIVE_LOW>; /* PB3 */
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+ };
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};
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&lradc {
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@@ -179,6 +214,20 @@ &otg_sram {
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status = "okay";
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};
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+&pio {
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+ eink_pins_active: eink-pins-lcd {
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+ pins = "PD3", "PD4", "PD5", "PD6", "PD7", "PD10", "PD11", "PD12",
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+ "PD13", "PD15", "PD20", "PD21", "PD22", "PD23", "PD24";
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+ function = "lcd0";
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+ };
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+
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+ eink_pins_idle: eink-pins-gpio {
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+ pins = "PD3", "PD4", "PD5", "PD6", "PD7", "PD10", "PD11", "PD12",
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+ "PD13", "PD15", "PD20", "PD21", "PD22", "PD23", "PD24";
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+ function = "gpio_out";
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+ };
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+};
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+
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&pwm {
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pinctrl-names = "default";
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pinctrl-0 = <&pwm0_pin>;
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@@ -219,6 +268,55 @@ ®_ldo3 {
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regulator-ramp-delay = <1600>;
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};
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+&soc {
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+ display-controller@1c0c000 {
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+ pinctrl-names = "idle", "active";
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+ pinctrl-0 = <&eink_pins_idle>;
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+ pinctrl-1 = <&eink_pins_active>;
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+
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+ all-gpios = <&pio 3 3 GPIO_ACTIVE_HIGH>,
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+ <&pio 3 4 GPIO_ACTIVE_HIGH>,
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+ <&pio 3 5 GPIO_ACTIVE_HIGH>,
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+ <&pio 3 6 GPIO_ACTIVE_HIGH>,
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+ <&pio 3 7 GPIO_ACTIVE_HIGH>,
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+ <&pio 3 10 GPIO_ACTIVE_HIGH>,
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+ <&pio 3 11 GPIO_ACTIVE_HIGH>,
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+ <&pio 3 12 GPIO_ACTIVE_HIGH>,
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+ <&pio 3 13 GPIO_ACTIVE_HIGH>,
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+ <&pio 3 15 GPIO_ACTIVE_HIGH>,
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+ <&pio 3 20 GPIO_ACTIVE_HIGH>,
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+ <&pio 3 21 GPIO_ACTIVE_HIGH>,
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+ <&pio 3 22 GPIO_ACTIVE_HIGH>,
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+ <&pio 3 23 GPIO_ACTIVE_HIGH>,
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+ <&pio 3 24 GPIO_ACTIVE_HIGH>;
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+
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+ compatible = "custom,pocketbook-touch-lux-3-tcon0-ed060xd4-display";
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+ reg = <0x01c0c000 0x1000>, // TCON0 regs
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+ <0x01e60000 0x10000>; // DEBE regs
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+
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+ interrupts = <44>; // TCON interrupt
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+
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+ resets = <&ccu RST_LCD>, <&ccu RST_DE_BE>;
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+ reset-names = "tcon", "be";
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+
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+ clocks = <&ccu CLK_AHB_LCD>, <&ccu CLK_TCON_CH0>,
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+ <&ccu CLK_AHB_DE_BE>, <&ccu CLK_DE_BE>,
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+ <&ccu CLK_DRAM_DE_BE>;
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+ clock-names = "tcon_bus", "tcon_mod",
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+ "be_bus", "be_mod",
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+ "be_ram";
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+
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+ assigned-clocks = <&ccu CLK_DE_BE>;
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+ assigned-clock-rates = <300000000>;
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+
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+ interconnects = <&mbus 18>;
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+ interconnect-names = "dma-mem";
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+
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+ panel-supply = <&tp65185x>;
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+ control-device-name = "eink-panel";
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+ };
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+};
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+
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&spi2 {
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pinctrl-names = "default";
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pinctrl-0 = <&spi2_pe_pins>, <&spi2_cs0_pe_pin>;
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@@ -230,6 +328,7 @@ epd_flash: flash@0 {
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compatible = "macronix,mx25u4033", "jedec,spi-nor";
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reg = <0>;
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spi-max-frequency = <4000000>;
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+ vdd-supply = <®_1v8_nor>;
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};
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};
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@@ -253,6 +352,8 @@ &usb_power_supply {
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};
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&usbphy {
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+ //XXX: might not work, need to test
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+ usb0_vbus_det-gpios = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */
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usb1_vbus-supply = <®_ldo3>;
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status = "okay";
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};
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--
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2.35.3
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