| Message ID | cf62e297a18518d54dd887a0bc531b18a50da5c5.1605823502.git.cristian.ciocaltea@gmail.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | None | expand |
On Fri, Nov 20, 2020 at 01:56:10AM +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> > --- > 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 { Is this the exact name in the schematics? Thanks, Mani > + 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 { > -- > 2.29.2 >
On Sat, Nov 28, 2020 at 01:08:51PM +0530, Manivannan Sadhasivam wrote: > On Fri, Nov 20, 2020 at 01:56:10AM +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> > > --- > > 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 { > > Is this the exact name in the schematics? Yes, it is referred as "SD_VCC". Once the support for the ATC260x PMIC will be available, the following item will be present in the regulators list: sd_vcc: switchldo1 { regulator-name = "SD_VCC"; regulator-min-microvolt = <3000000>; regulator-max-microvolt = <3300000>; regulator-always-on; regulator-boot-on; }; Thanks, Cristi > Thanks, > Mani > > > + 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 { > > -- > > 2.29.2 > >
On Sun, Nov 29, 2020 at 08:35:32PM +0200, Cristian Ciocaltea wrote: > On Sat, Nov 28, 2020 at 01:08:51PM +0530, Manivannan Sadhasivam wrote: > > On Fri, Nov 20, 2020 at 01:56:10AM +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> > > > --- > > > 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 { > > > > Is this the exact name in the schematics? > > Yes, it is referred as "SD_VCC". Once the support for the ATC260x PMIC > will be available, the following item will be present in the regulators > list: > > sd_vcc: switchldo1 { > regulator-name = "SD_VCC"; > regulator-min-microvolt = <3000000>; > regulator-max-microvolt = <3300000>; > regulator-always-on; > regulator-boot-on; > }; okay, looks fine to me. Thanks, Mani > > Thanks, > Cristi > > > Thanks, > > Mani > > > > > + 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 { > > > -- > > > 2.29.2 > > >
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 {
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> --- arch/arm/boot/dts/owl-s500-roseapplepi.dts | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+)