| Message ID | 20200620163654.37207-4-martin.blumenstingl@googlemail.com (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | d6a3873c7be6d58914ea5584dc7875f2045d6721 |
| Headers | show |
| Series | ARM: dts: use the SDHC MMC controller for eMMC | expand |
Hi Martin, On Sat, 20 Jun 2020 at 22:08, Martin Blumenstingl <martin.blumenstingl@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@googlemail.com> Please add my Reviewed-by: Anand Moon <linux.amoon@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 > > > _______________________________________________ > linux-amlogic mailing list > linux-amlogic@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-amlogic
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";
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@googlemail.com> --- arch/arm/boot/dts/meson8b-odroidc1.dts | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)