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Renesas ARM DT updates for v5.7 (take two) 

- LCD/touchscreen support for the iwg22d-sodimm board.
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Merge tag 'renesas-arm-dt-for-v5.7-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/dt

Renesas ARM DT updates for v5.7 (take two)

  - LCD/touchscreen support for the iwg22d-sodimm board.

* tag 'renesas-arm-dt-for-v5.7-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
  ARM: dts: iwg22d-sodimm: Enable touchscreen
  ARM: dts: iwg22d-sodimm: Enable LCD panel

Link: https://lore.kernel.org/r/20200313154304.1636-2-geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2020-03-25 21:42:55 +01:00
parent d29600ae8c 99ae78f1fc
commit a68260c0ec
2 changed files with 99 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/arm/boot/dts/r8a7745-iwg22d-sodimm-dbhd-ca.dts
View File

@ -108,6 +108,12 @@
};
};
&lcd_panel {
status = "disabled";
/delete-node/ port;
};
&pfc {
can1_pins: can1 {
groups = "can1_data_b";

93
arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
View File

@ -30,6 +30,7 @@
/dts-v1/;
#include "r8a7745-iwg22m.dtsi"
#include <dt-bindings/pwm/pwm.h>
/ {
model = "iWave Systems RainboW-G22D-SODIMM board based on RZ/G1E";
@ -78,6 +79,49 @@
gpios-states = <1>;
states = <3300000 1>, <1800000 0>;
};
vccq_panel: regulator-vccq-panel {
compatible = "regulator-fixed";
regulator-name = "Panel VccQ";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio1 13 GPIO_ACTIVE_LOW>;
enable-active-high;
};
backlight_lcd: backlight {
compatible = "pwm-backlight";
pwms = <&tpu 3 5000000 PWM_POLARITY_INVERTED>;
brightness-levels = <0 4 8 16 32 64 128 255>;
default-brightness-level = <7>;
};
lcd_panel: lcd {
compatible = "edt,etm043080dh6gp";
power-supply = <&vccq_panel>;
backlight = <&backlight_lcd>;
port {
lcd_in: endpoint {
remote-endpoint = <&du_out_rgb0>;
};
};
};
};
&du {
pinctrl-0 = <&du0_pins>;
pinctrl-names = "default";
status = "okay";
ports {
port@0 {
endpoint {
remote-endpoint = <&lcd_in>;
};
};
};
};
&avb {
@ -127,6 +171,39 @@
status = "okay";
clock-frequency = <400000>;
stmpe811@44 {
compatible = "st,stmpe811";
reg = <0x44>;
interrupt-parent = <&gpio4>;
interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
/* 3.25 MHz ADC clock speed */
st,adc-freq = <1>;
/* ADC converstion time: 80 clocks */
st,sample-time = <4>;
/* 12-bit ADC */
st,mod-12b = <1>;
/* internal ADC reference */
st,ref-sel = <0>;
stmpe_touchscreen {
compatible = "st,stmpe-ts";
/* 8 sample average control */
st,ave-ctrl = <3>;
/* 7 length fractional part in z */
st,fraction-z = <7>;
/*
* 50 mA typical 80 mA max touchscreen drivers
* current limit value
*/
st,i-drive = <1>;
/* 1 ms panel driver settling time */
st,settling = <3>;
/* 5 ms touch detect interrupt delay */
st,touch-det-delay = <5>;
};
};
sgtl5000: codec@a {
compatible = "fsl,sgtl5000";
#sound-dai-cells = <0>;
@ -149,11 +226,21 @@
function = "avb";
};
backlight_pins: backlight {
groups = "tpu_to3_c";
function = "tpu";
};
can0_pins: can0 {
groups = "can0_data";
function = "can0";
};
du0_pins: du0 {
groups = "du0_rgb666", "du0_sync", "du0_disp", "du0_clk0_out";
function = "du0";
};
hscif1_pins: hscif1 {
groups = "hscif1_data", "hscif1_ctrl";
function = "hscif1";
@ -229,6 +316,12 @@
shared-pin;
};
&tpu {
pinctrl-0 = <&backlight_pins>;
pinctrl-names = "default";
status = "okay";
};
&usbphy {
status = "okay";
};