From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawn.guo@linaro.org (Shawn Guo) Date: Thu, 28 Jun 2012 11:44:59 +0800 Subject: [PATCH 03/11] ARM: dts: imx23-evk: updates for mmc device In-Reply-To: <1340855107-4664-1-git-send-email-shawn.guo@linaro.org> References: <1340855107-4664-1-git-send-email-shawn.guo@linaro.org> Message-ID: <1340855107-4664-4-git-send-email-shawn.guo@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The 8-bit mode mmc has pin conflicts with display. Let's use 4-bit mode by default, so that display can be enabled together later. Also add vmmc-supply for mmc device. Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx23-evk.dts | 17 +++++++++++++++-- arch/arm/boot/dts/imx23.dtsi | 16 ++++++++++++++++ 2 files changed, 31 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/imx23-evk.dts b/arch/arm/boot/dts/imx23-evk.dts index 6a0912b..8321fa3 100644 --- a/arch/arm/boot/dts/imx23-evk.dts +++ b/arch/arm/boot/dts/imx23-evk.dts @@ -25,9 +25,10 @@ ssp0: ssp at 80010000 { compatible = "fsl,imx23-mmc"; pinctrl-names = "default"; - pinctrl-0 = <&mmc0_8bit_pins_a &mmc0_pins_fixup>; - bus-width = <8>; + pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_pins_fixup>; + bus-width = <4>; wp-gpios = <&gpio1 30 0>; + vmmc-supply = <®_vddio_sd0>; status = "okay"; }; @@ -57,4 +58,16 @@ }; }; }; + + regulators { + compatible = "simple-bus"; + + reg_vddio_sd0: vddio-sd0 { + compatible = "regulator-fixed"; + regulator-name = "vddio-sd0"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio1 29 0>; + }; + }; }; diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi index 7274273..daade4f 100644 --- a/arch/arm/boot/dts/imx23.dtsi +++ b/arch/arm/boot/dts/imx23.dtsi @@ -123,6 +123,22 @@ fsl,pull-up = <0>; }; + mmc0_4bit_pins_a: mmc0-4bit at 0 { + reg = <0>; + fsl,pinmux-ids = < + 0x2020 /* MX23_PAD_SSP1_DATA0__SSP1_DATA0 */ + 0x2030 /* MX23_PAD_SSP1_DATA1__SSP1_DATA1 */ + 0x2040 /* MX23_PAD_SSP1_DATA2__SSP1_DATA2 */ + 0x2050 /* MX23_PAD_SSP1_DATA3__SSP1_DATA3 */ + 0x2000 /* MX23_PAD_SSP1_CMD__SSP1_CMD */ + 0x2010 /* MX23_PAD_SSP1_DETECT__SSP1_DETECT */ + 0x2060 /* MX23_PAD_SSP1_SCK__SSP1_SCK */ + >; + fsl,drive-strength = <1>; + fsl,voltage = <1>; + fsl,pull-up = <1>; + }; + mmc0_8bit_pins_a: mmc0-8bit at 0 { reg = <0>; fsl,pinmux-ids = < -- 1.7.5.4