116 lines
2.9 KiB
Diff
116 lines
2.9 KiB
Diff
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From 8cf890aabd45664b8f27a5581c8d2a51a8ce2e17 Mon Sep 17 00:00:00 2001
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From: Shengyu Qu <wiagn233@outlook.com>
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Date: Sun, 30 Oct 2022 01:09:08 +0800
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Subject: [PATCH] arm64: dts: rockchip: Add nodes for SDIO/UART Wi-Fi/Bluetooth
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modules to Radxa Rock 3A
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This patch adds related bus/pinctrl/power nodes to enable support for
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Radxa's Wi-Fi Bluetooth combo module.
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Tested with RADXA A6 module, which uses AP6275S (BCM43752A2)
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Signed-off-by: Shengyu Qu <wiagn233@outlook.com>
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Link: https://lore.kernel.org/r/OS3P286MB25972313C916A68698B1CD8698359@OS3P286MB2597.JPNP286.PROD.OUTLOOK.COM
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Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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---
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.../boot/dts/rockchip/rk3568-rock-3a.dts | 69 +++++++++++++++++++
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1 file changed, 69 insertions(+)
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--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
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+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
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@@ -60,6 +60,17 @@
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};
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};
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+ sdio_pwrseq: sdio-pwrseq {
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+ compatible = "mmc-pwrseq-simple";
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+ clocks = <&rk809 1>;
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+ clock-names = "ext_clock";
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&wifi_enable>;
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+ post-power-on-delay-ms = <100>;
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+ power-off-delay-us = <5000000>;
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+ reset-gpios = <&gpio3 RK_PD4 GPIO_ACTIVE_LOW>;
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+ };
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+
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vcc12v_dcin: vcc12v-dcin-regulator {
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compatible = "regulator-fixed";
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regulator-name = "vcc12v_dcin";
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@@ -655,6 +666,26 @@
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rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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};
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+
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+ bt {
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+ bt_enable: bt-enable {
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+ rockchip,pins = <4 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;
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+ };
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+
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+ bt_host_wake: bt-host-wake {
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+ rockchip,pins = <4 RK_PB4 RK_FUNC_GPIO &pcfg_pull_down>;
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+ };
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+
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+ bt_wake: bt-wake {
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+ rockchip,pins = <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
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+ };
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+ };
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+
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+ sdio-pwrseq {
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+ wifi_enable: wifi-enable {
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+ rockchip,pins = <3 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
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+ };
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+ };
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};
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&pmu_io_domains {
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@@ -699,12 +730,50 @@
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status = "okay";
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};
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+&sdmmc2 {
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+ supports-sdio;
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+ bus-width = <4>;
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+ disable-wp;
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+ cap-sd-highspeed;
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+ cap-sdio-irq;
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+ keep-power-in-suspend;
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+ mmc-pwrseq = <&sdio_pwrseq>;
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+ non-removable;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&sdmmc2m0_bus4 &sdmmc2m0_cmd &sdmmc2m0_clk>;
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+ sd-uhs-sdr104;
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+ vmmc-supply = <&vcc3v3_sys>;
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+ vqmmc-supply = <&vcc_1v8>;
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+ status = "okay";
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+};
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+
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&tsadc {
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rockchip,hw-tshut-mode = <1>;
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rockchip,hw-tshut-polarity = <0>;
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status = "okay";
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};
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+&uart1 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart1m0_xfer &uart1m0_ctsn &uart1m0_rtsn>;
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+ uart-has-rtscts;
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+ status = "okay";
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+
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+ bluetooth {
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+ compatible = "brcm,bcm43438-bt";
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+ clocks = <&rk809 1>;
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+ clock-names = "lpo";
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+ device-wakeup-gpios = <&gpio4 RK_PB5 GPIO_ACTIVE_HIGH>;
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+ host-wakeup-gpios = <&gpio4 RK_PB4 GPIO_ACTIVE_HIGH>;
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+ shutdown-gpios = <&gpio4 RK_PB2 GPIO_ACTIVE_HIGH>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&bt_host_wake &bt_wake &bt_enable>;
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+ vbat-supply = <&vcc3v3_sys>;
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+ vddio-supply = <&vcc_1v8>;
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+ /* vddio comes from regulator on module, use IO bank voltage instead */
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+ };
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+};
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+
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&uart2 {
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status = "okay";
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};
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