[PATCH v2 2/3] ARM64: dts: amlogic: eMMC support for all Tronsmart Vega S95 devices
From: Martin Blumenstingl <hidden>
Date: 2016-09-04 18:29:02
Also in:
linux-amlogic
Subsystem:
arm/amlogic meson soc support, the rest · Maintainers:
Neil Armstrong, Kevin Hilman, Linus Torvalds
This adds eMMC support for all Tronsmart Vega S95 devices using sd_emmc_c. This is implemented similar to the p20x boards (meaning it uses fixed regulators). Signed-off-by: Martin Blumenstingl <martin.blumenstingl-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org> --- .../boot/dts/amlogic/meson-gxbb-vega-s95.dtsi | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi
index e9ead47..4573bac 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi@@ -62,6 +62,21 @@ regulator-always-on; }; + + vcc_1v8: regulator@1 { + compatible = "regulator-fixed"; + + regulator-name = "VCC1V8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + + regulator-always-on; + }; + + emmc_pwrseq: emmc-pwrseq { + compatible = "mmc-pwrseq-emmc"; + reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>; + }; }; &uart_AO {
@@ -92,3 +107,23 @@ vmmc-supply = <&vcc_3v3>; voltage-ranges = <3300 3300>; }; + +&sd_emmc_c { + status = "okay"; + pinctrl-0 = <&emmc_pins>; + pinctrl-names = "default"; + + bus-width = <8>; + cap-sd-highspeed; + cap-mmc-highspeed; + max-frequency = <200000000>; + non-removable; + disable-wp; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + + mmc-pwrseq = <&emmc_pwrseq>; + voltage-ranges = <1800 3300>; + vmmc-supply = <&vcc_3v3>; + vmmcq-sumpply = <&vcc_1v8>; +};
--
2.9.3
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