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Date: Thu, 31 Dec 2020 11:05:18 +0200 From: Cristian Ciocaltea <cristian.ciocaltea@...il.com> To: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org> Cc: Rob Herring <robh+dt@...nel.org>, Andreas Färber <afaerber@...e.de>, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-actions@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v3 11/13] arm: dts: owl-s500-roseapplepi: Add uSD support On Thu, Dec 31, 2020 at 12:57:10PM +0530, Manivannan Sadhasivam wrote: > On Tue, Dec 29, 2020 at 11:17:26PM +0200, Cristian Ciocaltea wrote: > > Add uSD support for RoseapplePi SBC using a fixed regulator as a > > temporary solution until PMIC support becomes available. > > > > Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...il.com> > > Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org> Thank you, Mani! > Thanks, > Mani > > > --- > > Changes in v3: > > - None > > > > arch/arm/boot/dts/owl-s500-roseapplepi.dts | 50 ++++++++++++++++++++++ > > 1 file changed, 50 insertions(+) > > > > diff --git a/arch/arm/boot/dts/owl-s500-roseapplepi.dts b/arch/arm/boot/dts/owl-s500-roseapplepi.dts > > index 800edf5d2d12..fe9ae3619422 100644 > > --- a/arch/arm/boot/dts/owl-s500-roseapplepi.dts > > +++ b/arch/arm/boot/dts/owl-s500-roseapplepi.dts > > @@ -14,6 +14,7 @@ / { > > model = "Roseapple Pi"; > > > > aliases { > > + mmc0 = &mmc0; > > serial2 = &uart2; > > }; > > > > @@ -25,6 +26,55 @@ memory@0 { > > device_type = "memory"; > > reg = <0x0 0x80000000>; /* 2GB */ > > }; > > + > > + /* Fixed regulator used in the absence of PMIC */ > > + sd_vcc: sd-vcc { > > + compatible = "regulator-fixed"; > > + regulator-name = "fixed-3.1V"; > > + regulator-min-microvolt = <3100000>; > > + regulator-max-microvolt = <3100000>; > > + regulator-always-on; > > + }; > > +}; > > + > > +&pinctrl { > > + mmc0_pins: mmc0-pins { > > + pinmux { > > + groups = "sd0_d0_mfp", "sd0_d1_mfp", "sd0_d2_d3_mfp", > > + "sd0_cmd_mfp", "sd0_clk_mfp"; > > + function = "sd0"; > > + }; > > + > > + drv-pinconf { > > + groups = "sd0_d0_d3_drv", "sd0_cmd_drv", "sd0_clk_drv"; > > + drive-strength = <8>; > > + }; > > + > > + bias0-pinconf { > > + pins = "sd0_d0", "sd0_d1", "sd0_d2", > > + "sd0_d3", "sd0_cmd"; > > + bias-pull-up; > > + }; > > + > > + bias1-pinconf { > > + pins = "sd0_clk"; > > + bias-pull-down; > > + }; > > + }; > > +}; > > + > > +/* uSD */ > > +&mmc0 { > > + status = "okay"; > > + pinctrl-names = "default"; > > + pinctrl-0 = <&mmc0_pins>; > > + no-sdio; > > + no-mmc; > > + no-1-8-v; > > + cd-gpios = <&pinctrl 117 GPIO_ACTIVE_LOW>; > > + bus-width = <4>; > > + vmmc-supply = <&sd_vcc>; > > + vqmmc-supply = <&sd_vcc>; > > }; > > > > &twd_timer { > > -- > > 2.30.0 > >
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