From mboxrd@z Thu Jan 1 00:00:00 1970 From: festevam@gmail.com (Fabio Estevam) Date: Mon, 20 Aug 2012 22:43:15 -0300 Subject: [PATCH] ARM: olinuxino: Add gpio-led support Message-ID: <1345513396-12320-1-git-send-email-festevam@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Fabio Estevam Olinuxino has a LED connected to MX23_PAD_SSP1_DETECT__GPIO_2_1 pin. Since mmc0_4bit_pins_a defines MX23_PAD_SSP1_DETECT as SSP function, create a new mmc0_4bit_pins_b. Signed-off-by: Fabio Estevam --- arch/arm/boot/dts/imx23-olinuxino.dts | 28 +++++++++++++++++++++++++++- arch/arm/boot/dts/imx23.dtsi | 15 +++++++++++++++ 2 files changed, 42 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx23-olinuxino.dts b/arch/arm/boot/dts/imx23-olinuxino.dts index a286873..dece3fe 100644 --- a/arch/arm/boot/dts/imx23-olinuxino.dts +++ b/arch/arm/boot/dts/imx23-olinuxino.dts @@ -27,10 +27,25 @@ ssp0: ssp at 80010000 { compatible = "fsl,imx23-mmc"; pinctrl-names = "default"; - pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_pins_fixup>; + pinctrl-0 = <&mmc0_4bit_pins_b &mmc0_pins_fixup>; bus-width = <4>; status = "okay"; }; + + pinctrl at 80018000 { + pinctrl-names = "default"; + pinctrl-0 = <&hog_pins_a>; + + hog_pins_a: hog-gpios at 0 { + reg = <0>; + fsl,pinmux-ids = < + 0x2013 /* MX23_PAD_SSP1_DETECT__GPIO_2_1 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + }; }; apbx at 80040000 { @@ -47,4 +62,15 @@ }; }; }; + + leds { + compatible = "gpio-leds"; + + user { + label = "green"; + gpios = <&gpio2 1 0>; + linux,default-trigger = "default-on"; + default-state = "on"; + }; + }; }; diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi index 9700872..a8b423a 100644 --- a/arch/arm/boot/dts/imx23.dtsi +++ b/arch/arm/boot/dts/imx23.dtsi @@ -202,6 +202,21 @@ fsl,pull-up = <1>; }; + mmc0_4bit_pins_b: mmc0-4bit_b 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 */ + 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 = < -- 1.7.9.5