[PATCH 3/3] ARM: dts: meson8b: odroidc1: enable the SDHC controller
Anand Moon
linux.amoon at gmail.com
Mon Jun 22 08:47:10 EDT 2020
Hi Martin,
On Sat, 20 Jun 2020 at 22:08, Martin Blumenstingl
<martin.blumenstingl at googlemail.com> wrote:
>
> Odroid-C1 has an eMMC connector where users can optionally install an
> eMMC module. The eMMC modules run off a 1.8V VQMMC supply which means
> that HS-200 mode can be used (this is the highest mode that the SDHC
> controller supports). Enable the SDHC controller so eMMC modules can be
> accessed.
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl at googlemail.com>
Please add my
Reviewed-by: Anand Moon <linux.amoon at gmail.com>
-Anand
> ---
> arch/arm/boot/dts/meson8b-odroidc1.dts | 26 ++++++++++++++++++++++++++
> 1 file changed, 26 insertions(+)
>
> diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts
> index cb21ac9f517c..0c26467de4d0 100644
> --- a/arch/arm/boot/dts/meson8b-odroidc1.dts
> +++ b/arch/arm/boot/dts/meson8b-odroidc1.dts
> @@ -15,6 +15,7 @@ / {
> aliases {
> serial0 = &uart_AO;
> mmc0 = &sd_card_slot;
> + mmc1 = &sdhc;
> };
>
> chosen {
> @@ -26,6 +27,11 @@ memory {
> reg = <0x40000000 0x40000000>;
> };
>
> + emmc_pwrseq: emmc-pwrseq {
> + compatible = "mmc-pwrseq-emmc";
> + reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
> + };
> +
> leds {
> compatible = "gpio-leds";
> blue {
> @@ -310,6 +316,26 @@ &saradc {
> vref-supply = <&vcc_1v8>;
> };
>
> +&sdhc {
> + status = "okay";
> +
> + pinctrl-0 = <&sdxc_c_pins>;
> + pinctrl-names = "default";
> +
> + bus-width = <8>;
> + max-frequency = <100000000>;
> +
> + disable-wp;
> + cap-mmc-highspeed;
> + mmc-hs200-1_8v;
> + no-sdio;
> +
> + mmc-pwrseq = <&emmc_pwrseq>;
> +
> + vmmc-supply = <&vcc_3v3>;
> + vqmmc-supply = <&vcc_1v8>;
> +};
> +
> &sdio {
> status = "okay";
>
> --
> 2.27.0
>
>
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