linux-kernel - [PATCH 4/4] arm64: dts: rockchip: rk3399: add an input enable pinconf

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Message-Id: <20220328005005.72492-5-kc@postmarketos.org>
Date:   Mon, 28 Mar 2022 01:50:05 +0100
From:   Caleb Connolly <kc@...tmarketos.org>
To:     Caleb Connolly <kc@...tmarketos.org>,
        Rob Herring <robh+dt@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, martijn@...xit.nl,
        Arnaud Ferraris <arnaud.ferraris@...labora.com>
Subject: [PATCH 4/4] arm64: dts: rockchip: rk3399: add an input enable pinconf

Add a pinconf to configure pins as input-enable.

Signed-off-by: Caleb Connolly <kc@...tmarketos.org>
---
 arch/arm64/boot/dts/rockchip/rk3399.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 080457a68e3c..9b111bd89f0a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -2188,6 +2188,22 @@ pcfg_output_low: pcfg-output-low {
 			output-low;
 		};
 
+		pcfg_input_enable: pcfg-input-enable {
+			input-enable;
+		};
+
+		pcfg_input_pull_up: pcfg-input-pull-up {
+			input-enable;
+			bias-pull-up;
+			drive-strength = <2>;
+		};
+
+		pcfg_input_pull_down: pcfg-input-pull-down {
+			input-enable;
+			bias-pull-down;
+			drive-strength = <2>;
+		};
+
 		clock {
 			clk_32k: clk-32k {
 				rockchip,pins = <0 RK_PA0 2 &pcfg_pull_none>;
-- 
2.35.1