From: Dinh Nguyen <[email protected]> Without the 3.3V regulator node, the SDMMC driver will give these warnings:
dw_mmc ff704000.dwmmc0: No vmmc regulator found dw_mmc ff704000.dwmmc0: No vqmmc regulator found This patch adds the regulator node, and points the SD/MMC to the regulator. Signed-off-by: Dinh Nguyen <[email protected]> --- arch/arm/boot/dts/socfpga_arria5.dtsi | 11 ++++++++++- arch/arm/boot/dts/socfpga_arria5_socdk.dts | 5 +++++ arch/arm/boot/dts/socfpga_cyclone5.dtsi | 9 +++++++++ arch/arm/boot/dts/socfpga_cyclone5_socdk.dts | 2 ++ arch/arm/boot/dts/socfpga_cyclone5_sockit.dts | 5 +++++ 5 files changed, 31 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/socfpga_arria5.dtsi b/arch/arm/boot/dts/socfpga_arria5.dtsi index 03e8268..8093781 100644 --- a/arch/arm/boot/dts/socfpga_arria5.dtsi +++ b/arch/arm/boot/dts/socfpga_arria5.dtsi @@ -29,7 +29,7 @@ }; }; - dwmmc0@ff704000 { + mmc0: dwmmc0@ff704000 { num-slots = <1>; broken-cd; bus-width = <4>; @@ -41,4 +41,13 @@ cpu1-start-addr = <0xffd080c4>; }; }; + + regulator_3_3v_hps: fixed_3_3v_hps_regulator@0 { + compatible = "regulator-fixed"; + regulator-name = "HPS 3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; }; diff --git a/arch/arm/boot/dts/socfpga_arria5_socdk.dts b/arch/arm/boot/dts/socfpga_arria5_socdk.dts index 27d551c..b7e4023 100644 --- a/arch/arm/boot/dts/socfpga_arria5_socdk.dts +++ b/arch/arm/boot/dts/socfpga_arria5_socdk.dts @@ -68,6 +68,11 @@ }; }; +&mmc0 { + vmmc-supply = <®ulator_3_3v_hps>; + vqmmc-supply = <®ulator_3_3v_hps>; +}; + &usb1 { status = "okay"; }; diff --git a/arch/arm/boot/dts/socfpga_cyclone5.dtsi b/arch/arm/boot/dts/socfpga_cyclone5.dtsi index 28c05e7..743bc3b 100644 --- a/arch/arm/boot/dts/socfpga_cyclone5.dtsi +++ b/arch/arm/boot/dts/socfpga_cyclone5.dtsi @@ -48,4 +48,13 @@ cpu1-start-addr = <0xffd080c4>; }; }; + + regulator_3_3v_hps: fixed_3_3v_hps_regulator@0 { + compatible = "regulator-fixed"; + regulator-name = "HPS 3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; }; diff --git a/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts b/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts index 739c3b7..e1f56ba 100644 --- a/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts +++ b/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts @@ -70,6 +70,8 @@ &mmc0 { cd = <&gpio1 18 0>; + vmmc-supply = <®ulator_3_3v_hps>; + vqmmc-supply = <®ulator_3_3v_hps>; }; &usb1 { diff --git a/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts b/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts index d26f155..ea0c454 100644 --- a/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts +++ b/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts @@ -53,6 +53,11 @@ rxc-skew-ps = <2000>; }; +&mmc0 { + vmmc-supply = <®ulator_3_3v_hps>; + vqmmc-supply = <®ulator_3_3v_hps>; +}; + &usb1 { status = "okay"; }; -- 2.0.3 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
