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