arm64: dts: rockchip: Add IR receiver to BPI-R2Pro

Add the infrared receiver and its associated pinctrl entry.

Based on Aurelien Jarno's patchset:
https://lore.kernel.org/lkml/20220930051246.391614-14-aurelien@aurel32.net/

Signed-off-by: Alex Riabchenko <d3adme4t@gmail.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Link: https://lore.kernel.org/r/20221214155433.112257-1-linux@fw-web.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
index 26d7fda275edb69d4d0b11144320282b05c95655..ff0bf24cc1a2a67adaf20fa6d91e54d879d4fa86 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
@@ -66,6 +66,13 @@
                };
        };
 
+       ir-receiver {
+               compatible = "gpio-ir-receiver";
+               gpios = <&gpio0 RK_PC2 GPIO_ACTIVE_LOW>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&ir_receiver_pin>;
+       };
+
        vcc3v3_sys: vcc3v3-sys-regulator {
                compatible = "regulator-fixed";
                regulator-name = "vcc3v3_sys";
@@ -614,6 +621,12 @@
                };
        };
 
+       ir-receiver {
+               ir_receiver_pin: ir-receiver-pin {
+                       rockchip,pins = <0 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+       };
+
        pcie {
                minipcie_enable_h: minipcie-enable-h {
                        rockchip,pins = <0 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none_drv_level_5>;