ARM: mxs/mx28evk: add framebuffer device (0590a790) · Commits · e / devices / android_kernel_teracube_2e

arch/arm/mach-mxs/Kconfig

+1 −0

Original line number	Diff line number	Diff line
		@@ -35,6 +35,7 @@ config MACH_MX28EVK
		select MXS_HAVE_PLATFORM_AUART
		select MXS_HAVE_PLATFORM_FEC
		select MXS_HAVE_PLATFORM_FLEXCAN
		select MXS_HAVE_PLATFORM_MXSFB
		select MXS_OCOTP
		default y
		help

arch/arm/mach-mxs/mach-mx28evk.c

+76 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,8 @@

		#define MX28EVK_FLEXCAN_SWITCH MXS_GPIO_NR(2, 13)
		#define MX28EVK_FEC_PHY_POWER MXS_GPIO_NR(2, 15)
		#define MX28EVK_BL_ENABLE MXS_GPIO_NR(3, 18)
		#define MX28EVK_LCD_ENABLE MXS_GPIO_NR(3, 30)
		#define MX28EVK_FEC_PHY_RESET MXS_GPIO_NR(4, 13)

		static const iomux_cfg_t mx28evk_pads[] __initconst = {
		@@ -79,6 +81,40 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = {
		MX28_PAD_GPMI_CE3N__CAN1_RX,
		/* transceiver power control */
		MX28_PAD_SSP1_CMD__GPIO_2_13,

		/* mxsfb (lcdif) */
		MX28_PAD_LCD_D00__LCD_D0 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D01__LCD_D1 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D02__LCD_D2 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D03__LCD_D3 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D04__LCD_D4 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D05__LCD_D5 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D06__LCD_D6 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D07__LCD_D7 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D08__LCD_D8 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D09__LCD_D9 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D10__LCD_D10 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D11__LCD_D11 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D12__LCD_D12 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D13__LCD_D13 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D14__LCD_D14 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D15__LCD_D15 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D16__LCD_D16 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D17__LCD_D17 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D18__LCD_D18 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D19__LCD_D19 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D20__LCD_D20 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D21__LCD_D21 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D22__LCD_D22 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_D23__LCD_D23 \| MXS_PAD_CTRL,
		MX28_PAD_LCD_RD_E__LCD_VSYNC \| MXS_PAD_CTRL,
		MX28_PAD_LCD_WR_RWN__LCD_HSYNC \| MXS_PAD_CTRL,
		MX28_PAD_LCD_RS__LCD_DOTCLK \| MXS_PAD_CTRL,
		MX28_PAD_LCD_CS__LCD_ENABLE \| MXS_PAD_CTRL,
		/* LCD panel enable */
		MX28_PAD_LCD_RESET__GPIO_3_30 \| MXS_PAD_CTRL,
		/* backlight control */
		MX28_PAD_PWM2__GPIO_3_18 \| MXS_PAD_CTRL,
		};

		/* fec */
		@@ -196,6 +232,32 @@ static const struct flexcan_platform_data
		}
		};

		/* mxsfb (lcdif) */
		static struct fb_videomode mx28evk_video_modes[] = {
		{
		.name = "Seiko-43WVF1G",
		.refresh = 60,
		.xres = 800,
		.yres = 480,
		.pixclock = 29851, /* picosecond (33.5 MHz) */
		.left_margin = 89,
		.right_margin = 164,
		.upper_margin = 23,
		.lower_margin = 10,
		.hsync_len = 10,
		.vsync_len = 10,
		.sync = FB_SYNC_DATA_ENABLE_HIGH_ACT \|
		FB_SYNC_DOTCLK_FAILING_ACT,
		},
		};

		static const struct mxsfb_platform_data mx28evk_mxsfb_pdata __initconst = {
		.mode_list = mx28evk_video_modes,
		.mode_count = ARRAY_SIZE(mx28evk_video_modes),
		.default_bpp = 32,
		.ld_intf_width = STMLCDIF_24BIT,
		};

		static void __init mx28evk_init(void)
		{
		int ret;
		@@ -221,6 +283,20 @@ static void __init mx28evk_init(void)
		mx28_add_flexcan(0, &mx28evk_flexcan_pdata[0]);
		mx28_add_flexcan(1, &mx28evk_flexcan_pdata[1]);
		}

		ret = gpio_request_one(MX28EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
		if (ret)
		pr_warn("failed to request gpio lcd-enable: %d\n", ret);
		else
		gpio_set_value(MX28EVK_LCD_ENABLE, 1);

		ret = gpio_request_one(MX28EVK_BL_ENABLE, GPIOF_DIR_OUT, "bl-enable");
		if (ret)
		pr_warn("failed to request gpio bl-enable: %d\n", ret);
		else
		gpio_set_value(MX28EVK_BL_ENABLE, 1);

		mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
		}

		static void __init mx28evk_timer_init(void)