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>

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 e030627159c6bc012b44f80180033f0a5a516929..55e74f4d5cd0f25b43404628f9bf77d1a4763125 100644 (file)
--- 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 @@ clkin_gmac: external-gmac-clock {
                #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 @@ &pmu_io_domains {
 };
 
 &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 @@ vcc5v0_host_en: vcc5v0-host-en {
                        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 @@ &saradc {
        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 @@ u2phy1_host: host-port {
        };
 };
 
+&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";
 };