| Message ID | 20190821024014.14070-5-manivannan.sadhasivam@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add SD/MMC driver for Actions Semi S900 SoC | expand |
Hi Andreas, On Wed, Aug 21, 2019 at 08:10:11AM +0530, Manivannan Sadhasivam wrote: > Add uSD and eMMC support for Bubblegum96 board based on Actions Semi > Owl SoC. SD0 is connected to uSD slot and SD2 is connected to eMMC. > Since there is no PMIC support added yet, fixed regulator has been > used as a regulator node. > Just realised that I missed your review on the patch description here. Will either modify in next iteration (if needed) or modify it while applying. Sorry for that! Thanks, Mani > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> > --- > .../boot/dts/actions/s900-bubblegum-96.dts | 60 +++++++++++++++++++ > 1 file changed, 60 insertions(+) > > diff --git a/arch/arm64/boot/dts/actions/s900-bubblegum-96.dts b/arch/arm64/boot/dts/actions/s900-bubblegum-96.dts > index 732daaa6e9d3..92376b71cb8f 100644 > --- a/arch/arm64/boot/dts/actions/s900-bubblegum-96.dts > +++ b/arch/arm64/boot/dts/actions/s900-bubblegum-96.dts > @@ -12,6 +12,9 @@ > model = "Bubblegum-96"; > > aliases { > + mmc0 = &mmc0; > + mmc1 = &mmc1; > + mmc2 = &mmc2; > serial5 = &uart5; > }; > > @@ -23,6 +26,22 @@ > device_type = "memory"; > reg = <0x0 0x0 0x0 0x80000000>; > }; > + > + vcc_3v1: vcc-3v1 { > + compatible = "regulator-fixed"; > + regulator-name = "fixed-3.1V"; > + regulator-min-microvolt = <3100000>; > + regulator-max-microvolt = <3100000>; > + regulator-always-on; > + }; > + > + sd_vcc: sd-vcc { > + compatible = "regulator-fixed"; > + regulator-name = "fixed-3.1V"; > + regulator-min-microvolt = <3100000>; > + regulator-max-microvolt = <3100000>; > + regulator-always-on; > + }; > }; > > &i2c0 { > @@ -241,6 +260,47 @@ > bias-pull-up; > }; > }; > + > + mmc0_default: mmc0_default { > + pinmux { > + groups = "sd0_d0_mfp", "sd0_d1_mfp", "sd0_d2_d3_mfp", > + "sd0_cmd_mfp", "sd0_clk_mfp"; > + function = "sd0"; > + }; > + }; > + > + mmc2_default: mmc2_default { > + pinmux { > + groups = "nand0_d0_ceb3_mfp"; > + function = "sd2"; > + }; > + }; > +}; > + > +/* uSD */ > +&mmc0 { > + status = "okay"; > + pinctrl-names = "default"; > + pinctrl-0 = <&mmc0_default>; > + no-sdio; > + no-mmc; > + no-1-8-v; > + cd-gpios = <&pinctrl 120 GPIO_ACTIVE_LOW>; > + bus-width = <4>; > + vmmc-supply = <&sd_vcc>; > + vqmmc-supply = <&sd_vcc>; > +}; > + > +/* eMMC */ > +&mmc2 { > + status = "okay"; > + pinctrl-names = "default"; > + pinctrl-0 = <&mmc2_default>; > + no-sdio; > + no-sd; > + non-removable; > + bus-width = <8>; > + vmmc-supply = <&vcc_3v1>; > }; > > &timer { > -- > 2.17.1 >
diff --git a/arch/arm64/boot/dts/actions/s900-bubblegum-96.dts b/arch/arm64/boot/dts/actions/s900-bubblegum-96.dts index 732daaa6e9d3..92376b71cb8f 100644 --- a/arch/arm64/boot/dts/actions/s900-bubblegum-96.dts +++ b/arch/arm64/boot/dts/actions/s900-bubblegum-96.dts @@ -12,6 +12,9 @@ model = "Bubblegum-96"; aliases { + mmc0 = &mmc0; + mmc1 = &mmc1; + mmc2 = &mmc2; serial5 = &uart5; }; @@ -23,6 +26,22 @@ device_type = "memory"; reg = <0x0 0x0 0x0 0x80000000>; }; + + vcc_3v1: vcc-3v1 { + compatible = "regulator-fixed"; + regulator-name = "fixed-3.1V"; + regulator-min-microvolt = <3100000>; + regulator-max-microvolt = <3100000>; + regulator-always-on; + }; + + sd_vcc: sd-vcc { + compatible = "regulator-fixed"; + regulator-name = "fixed-3.1V"; + regulator-min-microvolt = <3100000>; + regulator-max-microvolt = <3100000>; + regulator-always-on; + }; }; &i2c0 { @@ -241,6 +260,47 @@ bias-pull-up; }; }; + + mmc0_default: mmc0_default { + pinmux { + groups = "sd0_d0_mfp", "sd0_d1_mfp", "sd0_d2_d3_mfp", + "sd0_cmd_mfp", "sd0_clk_mfp"; + function = "sd0"; + }; + }; + + mmc2_default: mmc2_default { + pinmux { + groups = "nand0_d0_ceb3_mfp"; + function = "sd2"; + }; + }; +}; + +/* uSD */ +&mmc0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_default>; + no-sdio; + no-mmc; + no-1-8-v; + cd-gpios = <&pinctrl 120 GPIO_ACTIVE_LOW>; + bus-width = <4>; + vmmc-supply = <&sd_vcc>; + vqmmc-supply = <&sd_vcc>; +}; + +/* eMMC */ +&mmc2 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&mmc2_default>; + no-sdio; + no-sd; + non-removable; + bus-width = <8>; + vmmc-supply = <&vcc_3v1>; }; &timer {
Add uSD and eMMC support for Bubblegum96 board based on Actions Semi Owl SoC. SD0 is connected to uSD slot and SD2 is connected to eMMC. Since there is no PMIC support added yet, fixed regulator has been used as a regulator node. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> --- .../boot/dts/actions/s900-bubblegum-96.dts | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+)