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Date: Sat, 28 Nov 2015 12:20:01 +0100 From: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com> To: Jisheng Zhang <jszhang@...vell.com>, robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com, ijc+devicetree@...lion.org.uk, galak@...eaurora.org, linux@....linux.org.uk Cc: linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] arm: dts: berlin2q-marvell-dmp: add sdhci1 fully functionality On 26.11.2015 14:13, Jisheng Zhang wrote: > The sdhci1 on Marvell BG2Q DMP board is used as sdcard interface, we > have gpios for card detection, write-protect, vqmmc and vmmc. > > This patch adds pinmux for this sdcard interface, then adds regulators > for vmmc and vqmmc, lastly adds cd-gpios, wp-gpios properties. > > Signed-off-by: Jisheng Zhang <jszhang@...vell.com> > --- > arch/arm/boot/dts/berlin2q-marvell-dmp.dts | 43 ++++++++++++++++++++++++++++-- > 1 file changed, 41 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/boot/dts/berlin2q-marvell-dmp.dts b/arch/arm/boot/dts/berlin2q-marvell-dmp.dts > index cdcf89b..1fdc1d7 100644 > --- a/arch/arm/boot/dts/berlin2q-marvell-dmp.dts > +++ b/arch/arm/boot/dts/berlin2q-marvell-dmp.dts > @@ -84,12 +84,51 @@ > gpio = <&portb 12 GPIO_ACTIVE_HIGH>; > enable-active-high; > }; > + > + reg_sdio1_vmmc: regulator@3 { > + compatible = "regulator-fixed"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "sdio1_vmmc"; > + enable-active-high; > + regulator-boot-on; > + gpio = <&portb 21 GPIO_ACTIVE_HIGH>; > + }; > + > + reg_sdio1_vqmmc: regulator@4 { > + compatible = "regulator-gpio"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "sdio1_vqmmc"; > + regulator-type = "voltage"; > + enable-active-high; > + gpios = <&portb 16 GPIO_ACTIVE_HIGH>; > + states = <3300000 0x1 > + 1800000 0x0>; > + }; > + }; > +}; > + > +&soc_pinctrl { > + sd1gpio_pmux: sd1pwr-pmux { > + groups = "G23", "G32"; > + function = "gpio"; > + }; > + > + sd1_pmux: sd1-pmux { > + groups = "G31"; > + function = "sd1"; Jisheng, while having the sd1gpio_pmux in the board file, I think the sd1_pmux is best kept in the SoC.dtsi. > }; > }; > > &sdhci1 { > - broken-cd; > - sdhci,wp-inverted; > + vmmc-supply = <®_sdio1_vmmc>; > + vqmmc-supply = <®_sdio1_vqmmc>; > + cd-inverted; > + cd-gpios = <&portc 30 GPIO_ACTIVE_HIGH>; How about removing cd-inverted and make cd-gpio GPIO_ACTIVE_LOW instead? Sebastian > + wp-gpios = <&portd 0 GPIO_ACTIVE_HIGH>; > + pinctrl-0 = <&sd1gpio_pmux>, <&sd1_pmux>; > + pinctrl-names = "default"; > status = "okay"; > }; > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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