linux-kernel - [PATCH v1 2/2] ARM: dts: rockchip: Add the OTP gpio pinctrl

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Message-Id: <1445395380-5365-3-git-send-email-wxt@rock-chips.com>
Date:	Wed, 21 Oct 2015 10:43:00 +0800
From:	Caesar Wang <wxt@...k-chips.com>
To:	Heiko Stuebner <heiko@...ech.de>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>, dianders@...omium.org,
	Eduardo Valentin <edubezval@...il.com>,
	Caesar Wang <wxt@...k-chips.com>,
	Russell King <linux@....linux.org.uk>,
	devicetree@...r.kernel.org, Kumar Gala <galak@...eaurora.org>,
	linux-kernel@...r.kernel.org,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	linux-rockchip@...ts.infradead.org,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v1 2/2] ARM: dts: rockchip: Add the OTP gpio pinctrl

We need the OTP pin is gpio state before resetting the TSADC controller,
since the tshut polarity will generate a high signal.

Signed-off-by: Caesar Wang <wxt@...k-chips.com>
---

Changes in v1:
  - As the Doug comments, drop the thermal driver patchs since
    we can with pinctrl changing to work.
  - As the Doug's patch to add the 'init' property.

 arch/arm/boot/dts/rk3288.dtsi | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 906e938..6ea89aa 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -447,8 +447,9 @@
 		clock-names = "tsadc", "apb_pclk";
 		resets = <&cru SRST_TSADC>;
 		reset-names = "tsadc-apb";
-		pinctrl-names = "default";
-		pinctrl-0 = <&otp_out>;
+		pinctrl-names = "init", "default";
+		pinctrl-0 = <&otp_gpio>;
+		pinctrl-1 = <&otp_out>;
 		#thermal-sensor-cells = <1>;
 		rockchip,hw-tshut-temp = <95000>;
 		status = "disabled";
@@ -1273,6 +1274,10 @@
 		};
 
 		tsadc {
+			otp_gpio: otp-gpio {
+				rockchip,pins = <0 10 RK_FUNC_GPIO &pcfg_pull_none>;
+			};
+
 			otp_out: otp-out {
 				rockchip,pins = <0 10 RK_FUNC_1 &pcfg_pull_none>;
 			};
-- 
1.9.1

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