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Tue, 01 Jun 2021 02:01:51 -0700 (PDT) From: Neil Armstrong To: khilman@baylibre.com, jbrunet@baylibre.com, martin.blumenstingl@googlemail.com Cc: linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, tobetter@gmail.com, Neil Armstrong Subject: [PATCH 5/6] arm64: dts: meson-sm1-odroid-hc4: add regulators controlled by GPIOH_8 Date: Tue, 1 Jun 2021 11:01:39 +0200 Message-Id: <20210601090140.261768-6-narmstrong@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210601090140.261768-1-narmstrong@baylibre.com> References: <20210601090140.261768-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1713; h=from:subject; bh=sSgXAcLCZAuhm54ZUZ6B4N280tFMWl0vaDNAR/nWRyw=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBgtfc8Vbr2sDac/s+JTxxGHeDjlM2n08Puv6+y7xTy 6jap8PiJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCYLX3PAAKCRB33NvayMhJ0UQtD/ wLbwAP0eI6j4rtkrOzyfsrLx8Vz1/+wP64GaK8WGSO2mUi9iFWwrzgj0+oBdViiIm2Yjo1jY+5U8r1 ylhvE83B8p9t/keDyYlF5xkganfVyLmkCXO+ppSqNEKnbdnw21+pzjr2KxXbRTDleHjJoUNTsmLrNZ aRXG4QpLQM2penC8CrOuqDwOSjWcyVenExlQyyXRndm/vUNo3jBUbwoZq+HLSXjbRwZX3tL83Af2hk wBssARI03BO2BBcfaMYj6pPcW3gjFAt7CaL4tkfk8YSqKJP7uC5jHXplVjaYYo77wdd5DFuaxr/zSM dT2AA9WnyPJbq3DSHXdNhK6Bxet4RnhnbVTVuLUgUcc7CMoC2s5HyvC7WN8YJGHRlT6v0Yvq+hJbJD Hi7qQJQhIDmm8Xsjy/Z7Rezmr5HWITaWojRE8iV89CBk+s6l3tVw/G8rzyclhk61qn/bAF2ZWzY0i1 yiunXR5I4w2o+jV0qcGgdiU/q5vHlvlHjOMlxwrbOodB6HVSxepCoTSf0NMqearMjCCc31fRJNvWRw r/6W6CeB/OE0ut4yu66x0AcpzRljfnvYjVMsWud8RON+577jUHOSKKMNfLFPGSYTcVTu5vC8C3DfYH TFRqpjIfEQsBFRK+B+NDoFWs3OgETo2b6fhzcXWqF4xP4AKZp7Feq1rK2E5A== X-Developer-Key: i=narmstrong@baylibre.com; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210601_020153_930760_6671C3B1 X-CRM114-Status: GOOD ( 13.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org As described in the HC4 schematics, GPIOH_8 controls the USB 5V and 12V regulators used to power the SATA drives. And is set as Open Drain since this GPIO doesn't support Push-Pull. Signed-off-by: Neil Armstrong --- .../boot/dts/amlogic/meson-sm1-odroid-hc4.dts | 31 +++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts index 0a34b658f994..d36c25b5b690 100644 --- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts +++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts @@ -44,6 +44,32 @@ led-red { }; }; + /* Powers the SATA Disk 0 regulator, which is enabled when a disk load is detected */ + p12v_0: regulator-p12v_0 { + compatible = "regulator-fixed"; + regulator-name = "P12V_0"; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + vin-supply = <&main_12v>; + + gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>; + enable-active-high; + regulator-always-on; + }; + + /* Powers the SATA Disk 1 regulator, which is enabled when a disk load is detected */ + p12v_1: regulator-p12v_1 { + compatible = "regulator-fixed"; + regulator-name = "P12V_1"; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + vin-supply = <&main_12v>; + + gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>; + enable-active-high; + regulator-always-on; + }; + sound { model = "ODROID-HC4"; }; @@ -98,3 +124,8 @@ &usb { &usb2_phy0 { status = "disabled"; }; + +&vcc_5v { + gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>; + enable-active-high; +}; -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel