Message ID | 20220215091224.7910-7-t.remmet@phytec.de (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | arm64: dts: phyCORE-i.MX8MP SoM updates | expand |
> -----Original Message----- > From: Teresa Remmet [mailto:t.remmet@phytec.de] > Sent: 2022年2月15日 17:12 > To: linux-arm-kernel@lists.infradead.org > Cc: Heiko Schocher <hs@denx.de>; Jonas Kuenstler <j.kuenstler@phytec.de>; > Bough Chen <haibo.chen@nxp.com>; dl-linux-imx <linux-imx@nxp.com>; > Fabio Estevam <festevam@gmail.com>; Sascha Hauer > <s.hauer@pengutronix.de>; Shawn Guo <shawnguo@kernel.org>; Rob > Herring <robh+dt@kernel.org> > Subject: [PATCH 6/7] arm64: dts: imx8mp-phycore-som: LDO5 needs to be > enabled instead of LDO4 > > LDO4 is not connected so disable it. And LDO5 is used for VSEL of the > NVCC_SD2 SD-Card bus. Having it disabled seems not to have an impact on > the functionality. We enable it, as it is used. > > Signed-off-by: Teresa Remmet <t.remmet@phytec.de> Reviewed-by: Haibo Chen <haibo.chen@nxp.com> > --- > arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi > b/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi > index 4855bfc9e6a3..c471ab252a69 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi > @@ -170,14 +170,14 @@ ldo4: LDO4 { > regulator-compatible = "LDO4"; > regulator-min-microvolt = <800000>; > regulator-max-microvolt = <3300000>; > - regulator-boot-on; > - regulator-always-on; > }; > > ldo5: LDO5 { > regulator-compatible = "LDO5"; > regulator-min-microvolt = <1800000>; > regulator-max-microvolt = <3300000>; > + regulator-boot-on; > + regulator-always-on; > }; > }; > }; > -- > 2.25.1
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi index 4855bfc9e6a3..c471ab252a69 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi @@ -170,14 +170,14 @@ ldo4: LDO4 { regulator-compatible = "LDO4"; regulator-min-microvolt = <800000>; regulator-max-microvolt = <3300000>; - regulator-boot-on; - regulator-always-on; }; ldo5: LDO5 { regulator-compatible = "LDO5"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; }; }; };
LDO4 is not connected so disable it. And LDO5 is used for VSEL of the NVCC_SD2 SD-Card bus. Having it disabled seems not to have an impact on the functionality. We enable it, as it is used. Signed-off-by: Teresa Remmet <t.remmet@phytec.de> --- arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)