Add vmmc and vqmmc regulators for sdhci devices.
The voltage for sdmmc0 vqmmc is selected by a signal from coming from
the sdhci device.
Signed-off-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxx>
---
arch/arm/boot/dts/at91-sama5d2_xplained.dts | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
index 361cbf8..1ca4942 100644
--- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
@@ -96,6 +96,8 @@
bus-width = <8>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sdmmc0_default>;
+ vmmc-supply = <&vdd_3v3_reg>;
+ vqmmc-supply = <&vdd_sdhc_reg>;
non-removable;
mmc-ddr-1_8v;
status = "okay";
@@ -105,6 +107,8 @@
bus-width = <4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sdmmc1_default>;
+ vmmc-supply = <&vdd_3v3_reg>;
+ vqmmc-supply = <&vdd_3v3_reg>;
status = "okay"; /* conflict with qspi0 */
};
@@ -355,4 +359,14 @@
};
};
};
+
+ vdd_sdhc_reg: regulator@0 {
+ regulator-name = "VDD_SDHC";
+ vin_1v8-supply = <&vdd_sdhc_1v8_reg>;
+ vin_3v3-supply = <&vdd_3v3_reg>;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ states = <1800000 0x1
+ 3300000 0x0>;
+ };
};
--
2.5.0
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