From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Sun, 7 Dec 2014 16:02:49 +0100 Subject: [PATCH 08/10] ARM: dts: sun9i: Enable mmc0 on A80 Optimus Board In-Reply-To: <1417588565-26215-9-git-send-email-wens@csie.org> References: <1417588565-26215-1-git-send-email-wens@csie.org> <1417588565-26215-9-git-send-email-wens@csie.org> Message-ID: <20141207150249.GG12434@lukather> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Wed, Dec 03, 2014 at 02:36:03PM +0800, Chen-Yu Tsai wrote: > Enable the micro-sd slot on the A80 Optimus Board, which is connected to > mmc0. This adds the card-detect gpio and enables mmc0. > > This patch also adds a 3V fixed regulator, which is the default I/O > voltage level. > > Signed-off-by: Chen-Yu Tsai > Signed-off-by: Andreas F?rber > --- > arch/arm/boot/dts/sun9i-a80-optimus.dts | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > > diff --git a/arch/arm/boot/dts/sun9i-a80-optimus.dts b/arch/arm/boot/dts/sun9i-a80-optimus.dts > index 506948f..02a4aa7 100644 > --- a/arch/arm/boot/dts/sun9i-a80-optimus.dts > +++ b/arch/arm/boot/dts/sun9i-a80-optimus.dts > @@ -59,6 +59,16 @@ > }; > > soc { > + mmc0: mmc at 01c0f000 { > + pinctrl-names = "default"; > + pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_optimus>; > + vmmc-supply = <®_vcc3v0>; > + bus-width = <4>; > + cd-gpios = <&pio 7 18 0>; /* PH8 */ > + cd-inverted; > + status = "okay"; > + }; > + > pio: pinctrl at 06000800 { > i2c3_pins_a: i2c3 at 0 { > /* Enable internal pull-up */ > @@ -72,6 +82,13 @@ > allwinner,pull = <0>; > }; > > + mmc0_cd_pin_optimus: mmc0_cd_pin at 0 { > + allwinner,pins = "PH18"; > + allwinner,function = "gpio_in"; > + allwinner,drive = <0>; > + allwinner,pull = <1>; > + }; > + > uart4_pins_a: uart4 at 0 { > /* Enable internal pull-up */ > allwinner,pull = <1>; > @@ -116,4 +133,11 @@ > gpios = <&pio 7 0 0>; > }; > }; > + > + reg_vcc3v0: vcc3v0 { > + compatible = "regulator-fixed"; > + regulator-name = "vcc3v0"; > + regulator-min-microvolt = <3000000>; > + regulator-max-microvolt = <3000000>; > + }; There's already such a regulator in sunxi-common-regulators. Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: