Re: [PATCH v4 4/7] arm64: dts: actions: Add uSD and eMMC support for Bubblegum96

Manivannan Sadhasivam
2019-10-14T14:45:14Z

On Mon, Sep 16, 2019 at 09:15:43PM +0530, Manivannan Sadhasivam wrote:
> Add uSD and eMMC support for Bubblegum96 board based on Actions Semi
> S900 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>

Applied for v5.5.

Thanks,
Mani

> ---
> .../boot/dts/actions/s900-bubblegum-96.dts | 62 +++++++++++++++++++
> 1 file changed, 62 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..59291e0ea1ee 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 +26,24 @@
> device_type = "memory";
> reg = <0x0 0x0 0x0 0x80000000>;
> };
> +
> + /* Fixed regulator used in the absence of PMIC */
> + vcc_3v1: vcc-3v1 {
> + compatible = "regulator-fixed";
> + regulator-name = "fixed-3.1V";
> + regulator-min-microvolt = <3100000>;
> + regulator-max-microvolt = <3100000>;
> + regulator-always-on;
> + };
> +
> + /* 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;
> + };
> };
>
> &i2c0 {
> @@ -241,6 +262,47 @@
> 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
>