Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755504AbdGWK3l (ORCPT ); Sun, 23 Jul 2017 06:29:41 -0400 Received: from hermes.aosc.io ([199.195.250.187]:59431 "EHLO hermes.aosc.io" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751346AbdGWK3j (ORCPT ); Sun, 23 Jul 2017 06:29:39 -0400 From: Icenowy Zheng To: Liam Girdwood , Mark Brown , Maxime Ripard , Chen-Yu Tsai Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-pm@vger.kernel.org, linux-sunxi@googlegroups.com, Icenowy Zheng Subject: [PATCH 09/10] ARM: sun8i: h2+: add SY8113B regulator used by Orange Pi Zero board Date: Sun, 23 Jul 2017 18:27:48 +0800 Message-Id: <20170723102749.17323-10-icenowy@aosc.io> In-Reply-To: <20170723102749.17323-1-icenowy@aosc.io> References: <20170723102749.17323-1-icenowy@aosc.io> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1391 Lines: 47 Orange Pi Zero board has a SY8113B regulator, which is controlled via GPIO and capable of outputing 1.1V when the PL6 GPIO is set to output 0 or 1.3V when the PL6 GPIO is set to input or output 1, and the output is the power supply of the ARM cores in H2+ SoC. Add the device tree node of this regulator and set the cpu's cpu-supply property to it. Signed-off-by: Icenowy Zheng --- arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts index 6713d0f2b3f4..28b4433bd7f7 100644 --- a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts +++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts @@ -94,6 +94,27 @@ reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; post-power-on-delay-ms = <200>; }; + + reg_sy8113b: gpio-regulator { + compatible = "regulator-gpio"; + + regulator-name = "vdd-cpux"; + regulator-type = "voltage"; + regulator-boot-on; + regulator-always-on; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1300000>; + regulator-ramp-delay = <50>; /* 4ms */ + + gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */ + gpios-states = <0x1>; + states = <1100000 0x0 + 1300000 0x1>; + }; +}; + +&cpu0 { + cpu-supply = <®_sy8113b>; }; &ehci0 { -- 2.13.0