diff mbox series

[v3,11/13] arm: dts: owl-s500-roseapplepi: Add uSD support

Message ID 47ee9695e89198ec2fbc4ab6188f1d0ad0424b2f.1609263738.git.cristian.ciocaltea@gmail.com (mailing list archive)
State New, archived
Headers show
Series Add CMU/RMU/DMA/MMC/I2C support for Actions Semi | expand

Commit Message

Cristian Ciocaltea Dec. 29, 2020, 9:17 p.m. UTC 
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@gmail.com>
---
Changes in v3:
 - None

 arch/arm/boot/dts/owl-s500-roseapplepi.dts | 50 ++++++++++++++++++++++
 1 file changed, 50 insertions(+)

Comments

Manivannan Sadhasivam Dec. 31, 2020, 7:27 a.m. UTC | #1 
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@gmail.com>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

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
>
Cristian Ciocaltea Dec. 31, 2020, 9:05 a.m. UTC | #2 
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@gmail.com>
> 
> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.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
> >
diff mbox series

Patch

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 {