From e1a4d18f6c74cf3df59c73f526ede607196f2257 Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Mon, 9 Jul 2012 12:34:35 +0800 Subject: [PATCH] ARM: mxs: convert tx28 board to device tree MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit FEC support is missing because we need to find a proper way to rewrite tx28_add_fec0 for device tree boot. Cc: Lothar Waßmann Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx28.dtsi | 36 +++++++++++++ arch/arm/boot/dts/tx28.dts | 97 ++++++++++++++++++++++++++++++++++++ arch/arm/mach-mxs/mach-mxs.c | 1 + 3 files changed, 134 insertions(+) create mode 100644 arch/arm/boot/dts/tx28.dts diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi index 8595977b5424..e906ec12046c 100644 --- a/arch/arm/boot/dts/imx28.dtsi +++ b/arch/arm/boot/dts/imx28.dtsi @@ -186,6 +186,19 @@ duart_pins_b: duart@1 { fsl,pull-up = <0>; }; + duart_4pins_a: duart-4pins@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x3022 /* MX28_PAD_AUART0_CTS__DUART_RX */ + 0x3032 /* MX28_PAD_AUART0_RTS__DUART_TX */ + 0x3002 /* MX28_PAD_AUART0_RX__DUART_CTS */ + 0x3012 /* MX28_PAD_AUART0_TX__DUART_RTS */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + gpmi_pins_a: gpmi-nand@0 { reg = <0>; fsl,pinmux-ids = < @@ -243,6 +256,19 @@ auart0_2pins_a: auart0-2pins@0 { fsl,pull-up = <0>; }; + auart1_pins_a: auart1@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x3040 /* MX28_PAD_AUART1_RX__AUART1_RX */ + 0x3050 /* MX28_PAD_AUART1_TX__AUART1_TX */ + 0x3060 /* MX28_PAD_AUART1_CTS__AUART1_CTS */ + 0x3070 /* MX28_PAD_AUART1_RTS__AUART1_RTS */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + auart1_2pins_a: auart1-2pins@0 { reg = <0>; fsl,pinmux-ids = < @@ -407,6 +433,16 @@ saif1_pins_a: saif1@0 { fsl,pull-up = <1>; }; + pwm0_pins_a: pwm0@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x3100 /* MX28_PAD_PWM0__PWM_0 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + pwm2_pins_a: pwm2@0 { reg = <0>; fsl,pinmux-ids = < diff --git a/arch/arm/boot/dts/tx28.dts b/arch/arm/boot/dts/tx28.dts new file mode 100644 index 000000000000..62bf767409a6 --- /dev/null +++ b/arch/arm/boot/dts/tx28.dts @@ -0,0 +1,97 @@ +/dts-v1/; +/include/ "imx28.dtsi" + +/ { + model = "Ka-Ro electronics TX28 module"; + compatible = "karo,tx28", "fsl,imx28"; + + memory { + reg = <0x40000000 0x08000000>; + }; + + apb@80000000 { + apbh@80000000 { + ssp0: ssp@80010000 { + compatible = "fsl,imx28-mmc"; + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_4bit_pins_a + &mmc0_cd_cfg + &mmc0_sck_cfg>; + bus-width = <4>; + status = "okay"; + }; + + pinctrl@80018000 { + pinctrl-names = "default"; + pinctrl-0 = <&hog_pins_a>; + + hog_pins_a: hog-gpios@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x40a3 /* MX28_PAD_ENET0_RXD3__GPIO_4_10 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + }; + }; + + apbx@80040000 { + i2c0: i2c@80058000 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins_a>; + status = "okay"; + + ds1339: rtc@68 { + compatible = "mxim,ds1339"; + reg = <0x68>; + }; + }; + + pwm: pwm@80064000 { + pinctrl-names = "default"; + pinctrl-0 = <&pwm0_pins_a>; + status = "okay"; + }; + + duart: serial@80074000 { + pinctrl-names = "default"; + pinctrl-0 = <&duart_4pins_a>; + status = "okay"; + }; + + auart1: serial@8006c000 { + pinctrl-names = "default"; + pinctrl-0 = <&auart1_pins_a>; + status = "okay"; + }; + }; + }; + + ahb@80080000 { + mac0: ethernet@800f0000 { + phy-mode = "rmii"; + pinctrl-names = "default"; + pinctrl-0 = <&mac0_pins_a>; + status = "okay"; + }; + }; + + leds { + compatible = "gpio-leds"; + + user { + label = "Heartbeat"; + gpios = <&gpio4 10 0>; + linux,default-trigger = "heartbeat"; + }; + }; + + backlight { + compatible = "pwm-backlight"; + pwms = <&pwm 0 5000000>; + brightness-levels = <0 4 8 16 32 64 128 255>; + default-brightness-level = <6>; + }; +}; diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c index d0bf4149f3e5..a04bec8aa4ce 100644 --- a/arch/arm/mach-mxs/mach-mxs.c +++ b/arch/arm/mach-mxs/mach-mxs.c @@ -277,6 +277,7 @@ static const char *imx28_dt_compat[] __initdata = { "crystalfontz,cfa10036", "denx,m28evk", "fsl,imx28-evk", + "karo,tx28", "fsl,imx28", NULL, };