From 5d8b659ad0e38196055b63ec75df46ab32254051 Mon Sep 17 00:00:00 2001 From: Jianqun Xu Date: Fri, 21 Jul 2017 14:22:12 +0800 Subject: [PATCH] ARM: dts: rockchip: rk3368-sheep add vsel gpio for syr827 Add vsel gpio for syr827, which is PMIC_SLEEP in hardware pcb. The driver will parse the gpio and use it to indicate the chip work status, as the following codes: static int fan53555_is_enabled () if defined vsel_gpio gpiod_get_raw_value else regmap_read Before the patch, the log shows: CPU4: update cpu_capacity 1024 CPU4: Booted secondary processor [410fd033] cache: parent cpu4 should not be sleeping rk3x-i2c ff650000.i2c: timeout, ipd: 0x10, state: 1 Since cpu4 is the base core for cluster1, which need to initialize cpufreq during boot up, finally call fan53555_is_enabled. But the i2c is suspended at that time, can't get interrupt until timeout. Change-Id: I301e95be3b60d2faa456759d88c06cf64c2019ca Signed-off-by: Jianqun Xu --- arch/arm64/boot/dts/rockchip/rk3368-sheep.dts | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3368-sheep.dts b/arch/arm64/boot/dts/rockchip/rk3368-sheep.dts index 649c475e12f9..f18b7a883eff 100644 --- a/arch/arm64/boot/dts/rockchip/rk3368-sheep.dts +++ b/arch/arm64/boot/dts/rockchip/rk3368-sheep.dts @@ -221,6 +221,8 @@ regulator-max-microvolt = <1500000>; regulator-ramp-delay = <1000>; fcs,suspend-voltage-selector = <1>; + pinctrl-0 = <&vsel_gpio>; + vsel-gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>; regulator-always-on; regulator-boot-on; regulator-initial-state = <3>; @@ -645,6 +647,9 @@ pmic_int_l: pmic-int-l { rockchip,pins = ; }; + vsel_gpio: vsel-gpio { + rockchip,pins = <0 0 RK_FUNC_GPIO &pcfg_pull_down>; + }; }; dc_det { -- 2.34.1