The iwg21d comes with a 7" capacitive touch screen, therefore add support for it.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad...@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu...@bp.renesas.com> Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com> Reviewed-by: Geert Uytterhoeven <geert+rene...@glider.be> --- v2->v3 * Renamed vcc-supply to power-supply due to recent bindings changes [4] (similar changes done for G1[MN] [5]). * Restored RB tags from Laurent and Geert. * Sorted the DTS v1->v2 * This patch is part of series [1] (rest of the patches have be accepted by Geert [2]). * Added regulator for lvds * Added reset pin for touchpanel * This patch is based on series [3] [1] https://patchwork.kernel.org/project/linux-renesas-soc/list/ ?series=330277 [2] https://git.kernel.org/pub/scm/linux/kernel/git/geert/ renesas-devel.git/log/?h=renesas-arm-dt-for-v5.10 [3] https://patchwork.kernel.org/project/linux-renesas-soc/list/ ?series=330957 [4] https://patchwork.kernel.org/patch/11792205/ [5] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/ commit/?h=next-20200929&id=08d7a73fffb6769b1cf2278bf697e692daba3abf --- arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 99 +++++++++++++++++++++++++ 1 file changed, 99 insertions(+) diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts index c2c05c9685d1..0063ef92f50e 100644 --- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts +++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts @@ -30,6 +30,7 @@ /dts-v1/; #include "r8a7742-iwg21m.dtsi" +#include <dt-bindings/pwm/pwm.h> / { model = "iWave Systems RainboW-G21D-Qseven board based on RZ/G1H"; @@ -52,6 +53,16 @@ clock-frequency = <26000000>; }; + lcd_backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&tpu 2 5000000 0>; + brightness-levels = <0 4 8 16 32 64 128 255>; + pinctrl-0 = <&backlight_pins>; + pinctrl-names = "default"; + default-brightness-level = <7>; + enable-gpios = <&gpio3 11 GPIO_ACTIVE_HIGH>; + }; + leds { compatible = "gpio-leds"; @@ -62,6 +73,41 @@ }; }; + lvds-receiver { + compatible = "ti,ds90cf384a", "lvds-decoder"; + power-supply = <&vcc_3v3_tft1>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + lvds_receiver_in: endpoint { + remote-endpoint = <&lvds0_out>; + }; + }; + port@1 { + reg = <1>; + lvds_receiver_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; + }; + }; + + panel { + compatible = "edt,etm0700g0dh6"; + backlight = <&lcd_backlight>; + power-supply = <&vcc_3v3_tft1>; + + port { + panel_in: endpoint { + remote-endpoint = <&lvds_receiver_out>; + }; + }; + }; + reg_1p5v: 1p5v { compatible = "regulator-fixed"; regulator-name = "1P5V"; @@ -85,6 +131,17 @@ }; }; + vcc_3v3_tft1: regulator-panel { + compatible = "regulator-fixed"; + + regulator-name = "vcc-3v3-tft1"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + enable-active-high; + startup-delay-us = <500>; + gpio = <&gpio5 28 GPIO_ACTIVE_HIGH>; + }; + vcc_sdhi2: regulator-vcc-sdhi2 { compatible = "regulator-fixed"; @@ -139,6 +196,16 @@ VDDIO-supply = <®_3p3v>; VDDD-supply = <®_1p5v>; }; + + touch: touchpanel@38 { + compatible = "edt,edt-ft5406"; + reg = <0x38>; + interrupt-parent = <&gpio0>; + interrupts = <24 IRQ_TYPE_EDGE_FALLING>; + /* GP1_29 is also shared with audio codec reset pin */ + reset-gpios = <&gpio1 29 GPIO_ACTIVE_LOW>; + vcc-supply = <&vcc_3v3_tft1>; + }; }; &can1 { @@ -152,6 +219,18 @@ status = "okay"; }; +&du { + status = "okay"; +}; + +&gpio0 { + touch-interrupt { + gpio-hog; + gpios = <24 GPIO_ACTIVE_LOW>; + input; + }; +}; + &gpio1 { can-trx-en-gpio{ gpio-hog; @@ -167,6 +246,17 @@ status = "okay"; }; +&lvds0 { + status = "okay"; + ports { + port@1 { + lvds0_out: endpoint { + remote-endpoint = <&lvds_receiver_in>; + }; + }; + }; +}; + &msiof0 { pinctrl-0 = <&msiof0_pins>; pinctrl-names = "default"; @@ -229,6 +319,11 @@ function = "avb"; }; + backlight_pins: backlight { + groups = "tpu0_to2"; + function = "tpu0"; + }; + can1_pins: can1 { groups = "can1_data_b"; function = "can1"; @@ -335,6 +430,10 @@ shared-pin; }; +&tpu { + status = "okay"; +}; + &usbphy { status = "okay"; }; -- 2.17.1
