From af77467329318501b4a721817c3a9b39e6266826 Mon Sep 17 00:00:00 2001
From: David Wu <david.wu@rock-chips.com>
Date: Sat, 24 Mar 2018 13:37:54 +0800
Subject: [PATCH] arm64: dts: rockchip: Add rtc_32k support for rk3308-evb

Change-Id: Ia8bfa8fae701bdd6a90bcc108959cdd49d122b76
Signed-off-by: David Wu <david.wu@rock-chips.com>
---
 arch/arm64/boot/dts/rockchip/rk3308-evb-v10.dtsi | 3 +++
 arch/arm64/boot/dts/rockchip/rk3308.dtsi         | 7 +++++++
 2 files changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3308-evb-v10.dtsi b/arch/arm64/boot/dts/rockchip/rk3308-evb-v10.dtsi
index bcca2cc75664..1fb613dc623a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308-evb-v10.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3308-evb-v10.dtsi
@@ -355,6 +355,9 @@
 };
 
 &pinctrl {
+	pinctrl-names = "default";
+	pinctrl-0 = <&rtc_32k>;
+
 	buttons {
 		pwr_key: pwr-key {
 			rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3308.dtsi b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
index 8fea1c29e17a..fd181a176d4e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
@@ -1401,5 +1401,12 @@
 					<1 RK_PB4 3 &pcfg_pull_none>;
 			};
 		};
+
+		rtc {
+			rtc_32k: rtc-32k {
+				rockchip,pins =
+					<0 RK_PC3 1 &pcfg_pull_none>;
+			};
+		};
 	};
 };