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Message-ID: <6c638ac2-3855-04ec-1f83-43b81b5aeb22@microchip.com> Date: Fri, 25 Nov 2022 11:35:01 +0000 From: <Claudiu.Beznea@...rochip.com> To: <Eugen.Hristev@...rochip.com>, <robh+dt@...nel.org> CC: <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] ARM: dts: at91: sama7g5ek: align power rails for sdmmc0/1 On 24.11.2022 17:46, Eugen Hristev wrote: > On this board SDMMC0 has a 1.8 signaled eMMC device powered at > 3.3 V . > Hence, correctly describe the connected rails from the PMIC. > > SDMMC1 is connected to a voltage switch that can change from > 3.3V to 1.8V by a hardware controlled pin. > However SDMMC1 at the moment works only 3.3V mode (default speed, > no UHS-I modes), thus connect the signaling to the 3.3V rail. > > Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com> Applied to at91-dt (after reshaped a bit the commit message), thanks! > --- > arch/arm/boot/dts/at91-sama7g5ek.dts | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/at91-sama7g5ek.dts b/arch/arm/boot/dts/at91-sama7g5ek.dts > index 3b25c67795dd..aa5cc0e98bba 100644 > --- a/arch/arm/boot/dts/at91-sama7g5ek.dts > +++ b/arch/arm/boot/dts/at91-sama7g5ek.dts > @@ -764,8 +764,9 @@ &rtt { > &sdmmc0 { > bus-width = <8>; > non-removable; > - no-1-8-v; > sdhci-caps-mask = <0x0 0x00200000>; > + vmmc-supply = <&vdd_3v3>; > + vqmmc-supply = <&vldo1>; > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_sdmmc0_default>; > status = "okay"; > @@ -775,6 +776,8 @@ &sdmmc1 { > bus-width = <4>; > no-1-8-v; > sdhci-caps-mask = <0x0 0x00200000>; > + vmmc-supply = <&vdd_3v3>; > + vqmmc-supply = <&vdd_3v3>; > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_sdmmc1_default>; > status = "okay";
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