On 4/26/23 1:06 AM, Aradhya Bhatia wrote:
From: Jyri Sarha <jsarha@xxxxxx>
The OLDI-LCD1EVM add on board has Rocktech RK101II01D-CT panel[1] with
integrated touch screen. The integrated touch screen is Goodix GT928.
Add DT nodes for these and connect the endpoint nodes with DSS.
[1]: Product datasheet
https://www.digimax.it/media_import/DISPLAY/ROCKTECH/TFT%20LCD/RK101II01D-CT/RK101II01D-CT_DS_001.pdf
Signed-off-by: Jyri Sarha <jsarha@xxxxxx>
Signed-off-by: Nikhil Devshatwar <nikhil.nd@xxxxxx>
[abhatia1@xxxxxx: Make cosmetic and 6.1 DTSO syntax changes]
Signed-off-by: Aradhya Bhatia <a-bhatia1@xxxxxx>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
---
LGTM,
Reviewed-by: Andrew Davis <afd@xxxxxx>
arch/arm64/boot/dts/ti/Makefile | 2 +
...am654-base-board-rocktech-rk101-panel.dtso | 69 +++++++++++++++++++
2 files changed, 71 insertions(+)
create mode 100644 arch/arm64/boot/dts/ti/k3-am654-base-board-rocktech-rk101-panel.dtso
diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
index 6acd12409d59..3e6c4aa24f85 100644
--- a/arch/arm64/boot/dts/ti/Makefile
+++ b/arch/arm64/boot/dts/ti/Makefile
@@ -20,12 +20,14 @@ dtb-$(CONFIG_ARCH_K3) += k3-am642-phyboard-electra-rdk.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am642-sk.dtb
# Boards with AM65x SoC
+k3-am654-gp-evm-dtbs := k3-am654-base-board.dtb k3-am654-base-board-rocktech-rk101-panel.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am6528-iot2050-basic.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am6528-iot2050-basic-pg2.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-m2.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-pg2.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am654-base-board.dtb
+dtb-$(CONFIG_ARCH_K3) += k3-am654-gp-evm.dtb
# Boards with J7200 SoC
dtb-$(CONFIG_ARCH_K3) += k3-j7200-common-proc-board.dtb
diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board-rocktech-rk101-panel.dtso b/arch/arm64/boot/dts/ti/k3-am654-base-board-rocktech-rk101-panel.dtso
new file mode 100644
index 000000000000..aed6dcf3bd7d
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board-rocktech-rk101-panel.dtso
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0
+/**
+ * OLDI-LCD1EVM Rocktech integrated panel and touch DT overlay for AM654-EVM.
+ *
+ * Copyright (C) 2023 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/pwm/pwm.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+&{/} {
+ display0 {
+ compatible = "rocktech,rk101ii01d-ct";
+ backlight = <&lcd_bl>;
+ enable-gpios = <&pca9555 8 GPIO_ACTIVE_HIGH>;
+ port {
+ lcd_in0: endpoint {
+ remote-endpoint = <&oldi_out0>;
+ };
+ };
+ };
+
+ lcd_bl: backlight {
+ compatible = "pwm-backlight";
+ pwms = <&ecap0 0 50000 PWM_POLARITY_INVERTED>;
+ brightness-levels =
+ <0 32 64 96 128 160 192 224 255>;
+ default-brightness-level = <8>;
+ };
+};
+
+&dss {
+ status = "okay";
+};
+
+&dss_ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ oldi_out0: endpoint {
+ remote-endpoint = <&lcd_in0>;
+ };
+ };
+};
+
+&main_i2c1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ touchscreen@14 {
+ compatible = "goodix,gt928";
+ reg = <0x14>;
+
+ interrupt-parent = <&pca9554>;
+ interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
+ touchscreen-size-x = <1280>;
+ touchscreen-size-y = <800>;
+
+ reset-gpios = <&pca9555 9 GPIO_ACTIVE_HIGH>;
+ irq-gpios = <&pca9554 3 GPIO_ACTIVE_HIGH>;
+ };
+};
