arm64: dts: rockchip: add WiFi+BT support on ROCK Pi4 board

Rock Pi 4 has a on board AP6256 WiFi/BT Module. enable wifi and bluetooth
support on Rock Pi 4 board.

Signed-off-by: Akash Gajjar <akash@openedev.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

1 files changed, 97 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts
index e030627159c6..55e74f4d5cd0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts
@@ -25,6 +25,15 @@
                 #clock-cells = <0>;
         };
 
+        sdio_pwrseq: sdio-pwrseq {
+                compatible = "mmc-pwrseq-simple";
+                clocks = <&rk808 1>;
+                clock-names = "ext_clock";
+                pinctrl-names = "default";
+                pinctrl-0 = <&wifi_enable_h>;
+                reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
+        };
+
         vcc12v_dcin: dc-12v {
                 compatible = "regulator-fixed";
                 regulator-name = "vcc12v_dcin";
@@ -451,12 +460,46 @@
 };
 
 &pinctrl {
+        bt {
+                bt_enable_h: bt-enable-h {
+                        rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
+                };
+
+                bt_host_wake_l: bt-host-wake-l {
+                        rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
+                };
+
+                bt_wake_l: bt-wake-l {
+                        rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
+                };
+        };
+
         pcie {
                 pcie_pwr_en: pcie-pwr-en {
                         rockchip,pins = <2 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
                 };
         };
 
+        sdio0 {
+                sdio0_bus4: sdio0-bus4 {
+                        rockchip,pins =
+                                <2 20 RK_FUNC_1 &pcfg_pull_up_20ma>,
+                                <2 21 RK_FUNC_1 &pcfg_pull_up_20ma>,
+                                <2 22 RK_FUNC_1 &pcfg_pull_up_20ma>,
+                                <2 23 RK_FUNC_1 &pcfg_pull_up_20ma>;
+                };
+
+                sdio0_cmd: sdio0-cmd {
+                        rockchip,pins =
+                                <2 24 RK_FUNC_1 &pcfg_pull_up_20ma>;
+                };
+
+                sdio0_clk: sdio0-clk {
+                        rockchip,pins =
+                                <2 25 RK_FUNC_1 &pcfg_pull_none_20ma>;
+                };
+        };
+
         pmic {
                 pmic_int_l: pmic-int-l {
                         rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
@@ -482,6 +525,17 @@
                         rockchip,pins = <4 RK_PD1 RK_FUNC_GPIO &pcfg_pull_none>;
                 };
         };
+
+        wifi {
+                wifi_enable_h: wifi-enable-h {
+                        rockchip,pins =
+                                <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;
+                };
+
+                wifi_host_wake_l: wifi-host-wake-l {
+                        rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
+                };
+        };
 };
 
 &pwm2 {
@@ -494,6 +548,32 @@
         vref-supply = <&vcc_1v8>;
 };
 
+&sdio0 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        bus-width = <4>;
+        clock-frequency = <50000000>;
+        cap-sdio-irq;
+        cap-sd-highspeed;
+        keep-power-in-suspend;
+        mmc-pwrseq = <&sdio_pwrseq>;
+        non-removable;
+        pinctrl-names = "default";
+        pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk>;
+        sd-uhs-sdr104;
+        status = "okay";
+
+        brcmf: wifi@1 {
+                compatible = "brcm,bcm4329-fmac";
+                reg = <1>;
+                interrupt-parent = <&gpio0>;
+                interrupts = <RK_PA3 GPIO_ACTIVE_HIGH>;
+                interrupt-names = "host-wake";
+                pinctrl-names = "default";
+                pinctrl-0 = <&wifi_host_wake_l>;
+        };
+};
+
 &sdmmc {
         bus-width = <4>;
         cap-mmc-highspeed;
@@ -557,6 +637,23 @@
         };
 };
 
+&uart0 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
+        status = "okay";
+
+        bluetooth {
+                compatible = "brcm,bcm43438-bt";
+                clocks = <&rk808 1>;
+                clock-names = "ext_clock";
+                device-wakeup-gpios = <&gpio2 RK_PD3 GPIO_ACTIVE_HIGH>;
+                host-wakeup-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
+                shutdown-gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_HIGH>;
+                pinctrl-names = "default";
+                pinctrl-0 = <&bt_host_wake_l &bt_wake_l &bt_enable_h>;
+        };
+};
+
 &uart2 {
         status = "okay";
 };