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Mon, 7 Apr 2025 08:41:49 -0500 Received: from DLEE104.ent.ti.com (157.170.170.34) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 7 Apr 2025 08:41:48 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DLEE104.ent.ti.com (157.170.170.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Mon, 7 Apr 2025 08:41:48 -0500 Received: from localhost (uda0133052.dhcp.ti.com [128.247.81.232]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 537DfmfQ070173; Mon, 7 Apr 2025 08:41:48 -0500 Date: Mon, 7 Apr 2025 08:41:48 -0500 From: Nishanth Menon To: Yemike Abhilash Chandra CC: , , , , , , , , , , , Subject: Re: [PATCH 1/5] arm64: dts: ti: j721e-sk: Add DT nodes for power regulators Message-ID: <20250407134148.jk43mzr5iyk4htyy@unplanned> References: <20250401114053.229534-1-y-abhilashchandra@ti.com> <20250401114053.229534-2-y-abhilashchandra@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20250401114053.229534-2-y-abhilashchandra@ti.com> X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250407_064213_115293_DCC466FD X-CRM114-Status: GOOD ( 15.26 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 17:10-20250401, Yemike Abhilash Chandra wrote: > Add device tree nodes for two power regulators on the J721E SK board. > vsys_5v0: A fixed regulator representing the 5V supply output from the > LM61460 and vdd_sd_dv: A GPIO-controlled TLV71033 regulator. > > J721E-SK schematics: https://www.ti.com/lit/zip/sprr438 > Signed-off-by: Yemike Abhilash Chandra > --- > arch/arm64/boot/dts/ti/k3-j721e-sk.dts | 31 ++++++++++++++++++++++++++ > 1 file changed, 31 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts > index 440ef57be294..4965957e6545 100644 > --- a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts > +++ b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts > @@ -184,6 +184,17 @@ vsys_3v3: fixedregulator-vsys3v3 { > regulator-boot-on; > }; > > + vsys_5v0: fixedregulator-vsys5v0 { > + /* Output of LM61460 */ > + compatible = "regulator-fixed"; > + regulator-name = "vsys_5v0"; > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5000000>; > + vin-supply = <&vusb_main>; > + regulator-always-on; > + regulator-boot-on; > + }; > + > vdd_mmc1: fixedregulator-sd { > compatible = "regulator-fixed"; > pinctrl-names = "default"; > @@ -211,6 +222,20 @@ vdd_sd_dv_alt: gpio-regulator-tps659411 { > <3300000 0x1>; > }; > > + vdd_sd_dv: gpio-regulator-TLV71033 { Where is this used? > + compatible = "regulator-gpio"; > + pinctrl-names = "default"; > + pinctrl-0 = <&vdd_sd_dv_pins_default>; > + regulator-name = "tlv71033"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + regulator-boot-on; > + vin-supply = <&vsys_5v0>; > + gpios = <&main_gpio0 118 GPIO_ACTIVE_HIGH>; > + states = <1800000 0x0>, > + <3300000 0x1>; > + }; > + > transceiver1: can-phy1 { > compatible = "ti,tcan1042"; > #phy-cells = <0>; > @@ -613,6 +638,12 @@ J721E_WKUP_IOPAD(0xd4, PIN_OUTPUT, 7) /* (G26) WKUP_GPIO0_9 */ > >; > }; > > + vdd_sd_dv_pins_default: vdd-sd-dv-default-pins { > + pinctrl-single,pins = < > + J721E_IOPAD(0x1dc, PIN_INPUT, 7) /* (Y1) SPI1_CLK.GPIO0_118 */ > + >; > + }; > + > wkup_uart0_pins_default: wkup-uart0-default-pins { > pinctrl-single,pins = < > J721E_WKUP_IOPAD(0xa0, PIN_INPUT, 0) /* (J29) WKUP_UART0_RXD */ > -- > 2.34.1 > -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D