From 1cc1e851d15b4ebd4c6c5f741cfdb58b988a4445 Mon Sep 17 00:00:00 2001 From: Suniel Mahesh Date: Mon, 9 Nov 2020 23:40:14 +0530 Subject: [PATCH] arm64: dts: rockchip: Add BT support on px30-engicam Engicam PX30 carrier boards like EDIMM2.2 and C.TOUCH2.0 have an onboard Sterling-LWD Wifi/BT chip based on BCM43430 connected on the UART bus. UART bus on the design routed via USB to UART CP20x bridge. This bridge powered from 3V3 regualtor gpio. This patch adds BT enablement nodes for these respective boards. Signed-off-by: Michael Trimarchi Signed-off-by: Suniel Mahesh Signed-off-by: Jagan Teki Link: https://lore.kernel.org/r/20201109181017.206834-7-jagan@amarulasolutions.com Signed-off-by: Heiko Stuebner --- .../arm64/boot/dts/rockchip/px30-engicam-common.dtsi | 12 ++++++++++++ .../boot/dts/rockchip/px30-engicam-ctouch2.dtsi | 10 ++++++++++ .../dts/rockchip/px30-engicam-px30-core-edimm2.2.dts | 10 ++++++++++ 3 files changed, 32 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi b/arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi index 0e1a93ec32340..08b0b9fbcbc9a 100644 --- a/arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi +++ b/arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi @@ -24,6 +24,18 @@ pinctrl-0 = <&wifi_enable_h>; }; + vcc3v3_btreg: vcc3v3-btreg { + compatible = "regulator-gpio"; + enable-active-high; + pinctrl-names = "default"; + pinctrl-0 = <&bt_enable_h>; + regulator-name = "btreg-gpio-supply"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + states = <3300000 0x0>; + }; + vcc3v3_rf_aux_mod: vcc3v3-rf-aux-mod { compatible = "regulator-fixed"; regulator-name = "vcc3v3_rf_aux_mod"; diff --git a/arch/arm64/boot/dts/rockchip/px30-engicam-ctouch2.dtsi b/arch/arm64/boot/dts/rockchip/px30-engicam-ctouch2.dtsi index d5708779c2852..bf10a3d29fca6 100644 --- a/arch/arm64/boot/dts/rockchip/px30-engicam-ctouch2.dtsi +++ b/arch/arm64/boot/dts/rockchip/px30-engicam-ctouch2.dtsi @@ -8,6 +8,12 @@ #include "px30-engicam-common.dtsi" &pinctrl { + bt { + bt_enable_h: bt-enable-h { + rockchip,pins = <1 RK_PC3 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; + sdio-pwrseq { wifi_enable_h: wifi-enable-h { rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>; @@ -18,3 +24,7 @@ &sdio_pwrseq { reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>; }; + +&vcc3v3_btreg { + enable-gpio = <&gpio1 RK_PC3 GPIO_ACTIVE_HIGH>; +}; diff --git a/arch/arm64/boot/dts/rockchip/px30-engicam-px30-core-edimm2.2.dts b/arch/arm64/boot/dts/rockchip/px30-engicam-px30-core-edimm2.2.dts index 913444548b59c..d759478e1c846 100644 --- a/arch/arm64/boot/dts/rockchip/px30-engicam-px30-core-edimm2.2.dts +++ b/arch/arm64/boot/dts/rockchip/px30-engicam-px30-core-edimm2.2.dts @@ -21,6 +21,12 @@ }; &pinctrl { + bt { + bt_enable_h: bt-enable-h { + rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; + sdio-pwrseq { wifi_enable_h: wifi-enable-h { rockchip,pins = <1 RK_PC3 RK_FUNC_GPIO &pcfg_pull_none>; @@ -31,3 +37,7 @@ &sdio_pwrseq { reset-gpios = <&gpio1 RK_PC3 GPIO_ACTIVE_LOW>; }; + +&vcc3v3_btreg { + enable-gpio = <&gpio1 RK_PC2 GPIO_ACTIVE_HIGH>; +}; -- 2.30.2