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From: Hugh Cole-Baker <sigmaris@gmail.com>
To: devicetree@vger.kernel.org
Subject: [PATCH] arm64: dts: rockchip: fix Rockpro64 RK808 interrupt line
Date: Sat, 21 Sep 2019 14:14:57 +0100
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Cc: Mark Rutland <mark.rutland@arm.com>, Heiko Stuebner <heiko@sntech.de>,
Akash Gajjar <Akash_Gajjar@mentor.com>, linux-kernel@vger.kernel.org,
linux-rockchip@lists.infradead.org, Rob Herring <robh+dt@kernel.org>,
Hugh Cole-Baker <sigmaris@gmail.com>, linux-arm-kernel@lists.infradead.org
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Fix the pinctrl and interrupt specifier for RK808 to use GPIO3_B2. On the
Rockpro64 schematic [1] page 16, it shows GPIO3_B2 used for the interrupt
line PMIC_INT_L from the RK808, and there's a note which translates as:
"PMU termination GPIO1_C5 changed to this".
Tested by setting an RTC wakealarm and checking /proc/interrupts counters.
Without this patch, neither the rockchip_gpio_irq counter for the RK808,
nor the RTC alarm counter increment when the alarm time is reached.
With this patch, both interrupt counters increment by 1 as expected.
[1] http://files.pine64.org/doc/rockpro64/rockpro64_v21-SCH.pdf
Fixes: e4f3fb4 ("arm64: dts: rockchip: add initial dts support for Rockpro64")
Signed-off-by: Hugh Cole-Baker <sigmaris@gmail.com>
---
arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
index 0401d4ec1f45..c27d8a6ae1c5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
@@ -247,8 +247,8 @@
rk808: pmic@1b {
compatible = "rockchip,rk808";
reg = <0x1b>;
- interrupt-parent = <&gpio1>;
- interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio3>;
+ interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
#clock-cells = <1>;
clock-output-names = "xin32k", "rk808-clkout2";
pinctrl-names = "default";
@@ -574,7 +574,7 @@
pmic {
pmic_int_l: pmic-int-l {
- rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
+ rockchip,pins = <3 RK_PB2 RK_FUNC_GPIO &pcfg_pull_up>;
};
vsel1_gpio: vsel1-gpio {
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