From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawn.guo@linaro.org (Shawn Guo) Date: Tue, 10 Jul 2012 13:38:59 +0800 Subject: [PATCH v2 3/7] ARM: mxs: convert m28evk board to device tree In-Reply-To: <1341898587-8462-1-git-send-email-shawn.guo@linaro.org> References: <1341898587-8462-1-git-send-email-shawn.guo@linaro.org> Message-ID: <1341898739-8507-1-git-send-email-shawn.guo@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Marek Vasut Signed-off-by: Marek Vasut Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx28.dtsi | 11 ++ arch/arm/boot/dts/m28evk.dts | 210 ++++++++++++++++++++++++++++++++++++++++++ arch/arm/mach-mxs/mach-mxs.c | 41 ++++++++- 3 files changed, 258 insertions(+), 4 deletions(-) create mode 100644 arch/arm/boot/dts/m28evk.dts diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi index 02e778b..895a072 100644 --- a/arch/arm/boot/dts/imx28.dtsi +++ b/arch/arm/boot/dts/imx28.dtsi @@ -232,6 +232,17 @@ fsl,pull-up = <0>; }; + auart0_2pins_a: auart0-2pins at 0 { + reg = <0>; + fsl,pinmux-ids = < + 0x3000 /* MX28_PAD_AUART0_RX__AUART0_RX */ + 0x3010 /* MX28_PAD_AUART0_TX__AUART0_TX */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + auart3_pins_a: auart3 at 0 { reg = <0>; fsl,pinmux-ids = < diff --git a/arch/arm/boot/dts/m28evk.dts b/arch/arm/boot/dts/m28evk.dts new file mode 100644 index 0000000..f3acdfa --- /dev/null +++ b/arch/arm/boot/dts/m28evk.dts @@ -0,0 +1,210 @@ +/* + * Copyright (C) 2012 Marek Vasut + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +/dts-v1/; +/include/ "imx28.dtsi" + +/ { + model = "DENX M28EVK"; + compatible = "denx,m28evk", "fsl,imx28"; + + memory { + reg = <0x40000000 0x08000000>; + }; + + apb at 80000000 { + apbh at 80000000 { + gpmi-nand at 8000c000 { + pinctrl-names = "default"; + pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg>; + status = "okay"; + + partition at 0 { + label = "bootloader"; + reg = <0x00000000 0x00300000>; + read-only; + }; + + partition at 1 { + label = "environment"; + reg = <0x00300000 0x00080000>; + }; + + partition at 2 { + label = "redundant-environment"; + reg = <0x00380000 0x00080000>; + }; + + partition at 3 { + label = "kernel"; + reg = <0x00400000 0x00400000>; + }; + + partition at 4 { + label = "filesystem"; + reg = <0x00800000 0x0f800000>; + }; + }; + + ssp0: ssp at 80010000 { + compatible = "fsl,imx28-mmc"; + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_8bit_pins_a + &mmc0_cd_cfg + &mmc0_sck_cfg>; + bus-width = <8>; + wp-gpios = <&gpio3 10 1>; + 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 = < + 0x30a3 /* MX28_PAD_AUART2_CTS__GPIO_3_10 */ + 0x30b3 /* MX28_PAD_AUART2_RTS__GPIO_3_11 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + + lcdif_pins_m28: lcdif-m28 at 0 { + reg = <0>; + fsl,pinmux-ids = < + 0x11e0 /* MX28_PAD_LCD_DOTCLK__LCD_DOTCLK */ + 0x11f0 /* MX28_PAD_LCD_ENABLE__LCD_ENABLE */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + }; + + lcdif at 80030000 { + pinctrl-names = "default"; + pinctrl-0 = <&lcdif_24bit_pins_a + &lcdif_pins_m28>; + status = "okay"; + }; + + can0: can at 80032000 { + pinctrl-names = "default"; + pinctrl-0 = <&can0_pins_a>; + status = "okay"; + }; + + can1: can at 80034000 { + pinctrl-names = "default"; + pinctrl-0 = <&can1_pins_a>; + status = "okay"; + }; + }; + + apbx at 80040000 { + saif0: saif at 80042000 { + pinctrl-names = "default"; + pinctrl-0 = <&saif0_pins_a>; + status = "okay"; + }; + + saif1: saif at 80046000 { + pinctrl-names = "default"; + pinctrl-0 = <&saif1_pins_a>; + fsl,saif-master = <&saif0>; + status = "okay"; + }; + + i2c0: i2c at 80058000 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins_a>; + status = "okay"; + + sgtl5000: codec at 0a { + compatible = "fsl,sgtl5000"; + reg = <0x0a>; + VDDA-supply = <®_3p3v>; + VDDIO-supply = <®_3p3v>; + + }; + + eeprom: eeprom at 51 { + compatible = "atmel,24c128"; + reg = <0x51>; + pagesize = <32>; + }; + + rtc: rtc at 68 { + compatible = "stm,mt41t62"; + reg = <0x68>; + }; + }; + + duart: serial at 80074000 { + pinctrl-names = "default"; + pinctrl-0 = <&duart_pins_a>; + status = "okay"; + }; + + auart0: serial at 8006a000 { + pinctrl-names = "default"; + pinctrl-0 = <&auart0_2pins_a>; + status = "okay"; + }; + + auart3: serial at 80070000 { + pinctrl-names = "default"; + pinctrl-0 = <&auart3_pins_a>; + status = "okay"; + }; + }; + }; + + ahb at 80080000 { + mac0: ethernet at 800f0000 { + phy-mode = "rmii"; + pinctrl-names = "default"; + pinctrl-0 = <&mac0_pins_a>; + phy-reset-gpios = <&gpio3 11 0>; + status = "okay"; + }; + + mac1: ethernet at 800f4000 { + phy-mode = "rmii"; + pinctrl-names = "default"; + pinctrl-0 = <&mac1_pins_a>; + status = "okay"; + }; + }; + + regulators { + compatible = "simple-bus"; + + reg_3p3v: 3p3v { + compatible = "regulator-fixed"; + regulator-name = "3P3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + }; + + sound { + compatible = "fsl,imx28-evk-sgtl5000", + "fsl,mxs-audio-sgtl5000"; + model = "imx28-evk-sgtl5000"; + saif-controllers = <&saif0 &saif1>; + audio-codec = <&sgtl5000>; + }; +}; diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c index 7bbb961..d3fc8ba 100644 --- a/arch/arm/mach-mxs/mach-mxs.c +++ b/arch/arm/mach-mxs/mach-mxs.c @@ -59,6 +59,23 @@ static struct fb_videomode mx28evk_video_modes[] = { }, }; +static struct fb_videomode m28evk_video_modes[] = { + { + .name = "Ampire AM-800480R2TMQW-T01H", + .refresh = 60, + .xres = 800, + .yres = 480, + .pixclock = 30066, /* picosecond (33.26 MHz) */ + .left_margin = 0, + .right_margin = 256, + .upper_margin = 0, + .lower_margin = 45, + .hsync_len = 1, + .vsync_len = 1, + .sync = FB_SYNC_DATA_ENABLE_HIGH_ACT, + }, +}; + static struct mxsfb_platform_data mxsfb_pdata __initdata; static struct of_dev_auxdata mxs_auxdata_lookup[] __initdata = { @@ -186,15 +203,17 @@ static void __init imx23_evk_init(void) mxsfb_pdata.ld_intf_width = STMLCDIF_24BIT; } -static void __init imx28_evk_init(void) +static inline void enable_clk_enet_out(void) { - struct clk *clk; + struct clk *clk = clk_get_sys("enet_out", NULL); - /* Enable fec phy clock */ - clk = clk_get_sys("enet_out", NULL); if (!IS_ERR(clk)) clk_prepare_enable(clk); +} +static void __init imx28_evk_init(void) +{ + enable_clk_enet_out(); update_fec_mac_prop(OUI_FSL); mxsfb_pdata.mode_list = mx28evk_video_modes; @@ -203,12 +222,25 @@ static void __init imx28_evk_init(void) mxsfb_pdata.ld_intf_width = STMLCDIF_24BIT; } +static void __init m28evk_init(void) +{ + enable_clk_enet_out(); + update_fec_mac_prop(OUI_DENX); + + mxsfb_pdata.mode_list = m28evk_video_modes; + mxsfb_pdata.mode_count = ARRAY_SIZE(m28evk_video_modes); + mxsfb_pdata.default_bpp = 16; + mxsfb_pdata.ld_intf_width = STMLCDIF_18BIT; +} + static void __init mxs_machine_init(void) { if (of_machine_is_compatible("fsl,imx28-evk")) imx28_evk_init(); else if (of_machine_is_compatible("fsl,imx23-evk")) imx23_evk_init(); + else if (of_machine_is_compatible("denx,m28evk")) + m28evk_init(); of_platform_populate(NULL, of_default_bus_match_table, mxs_auxdata_lookup, NULL); @@ -223,6 +255,7 @@ static const char *imx23_dt_compat[] __initdata = { static const char *imx28_dt_compat[] __initdata = { "crystalfontz,cfa10036", + "denx,m28evk", "fsl,imx28-evk", "fsl,imx28", NULL, -- 1.7.5.4