[PATCH] ARM: OMAP3LOGIC: Adding DSS support
Alex Gershgorin
alexg at meprolight.com
Fri Dec 9 18:55:04 EST 2011
Hi Tomi,
Yes of course :-)
Regards
Alex Gershgorin
_______________________________
From: Tony Lindgren [tony at atomide.com]
Sent: Friday, December 09, 2011 11:08 PM
To: Alex Gershgorin; Tomi Valkeinen
Cc: linux-omap at vger.kernel.org; linux-arm-kernel at lists.infradead.org; tim.nordell at logicpd.com; baruch at tkos.co.il
Subject: Re: [PATCH] ARM: OMAP3LOGIC: Adding DSS support
Tomi,
* Alex <alexg at meprolight.com> [111208 03:46]:
> This patch adds DSS2 support to the LogicPD OMAP 35x Torpedo boardfile. LCD and
> TV-out are supported.
Want to take this one? Looks OK to me:
Acked-by: Tony Lindgren <tony at atomide.com>
> Signed-off-by: Alex Gershgorin <alexg at meprolight.com>
> ---
> arch/arm/mach-omap2/board-omap3logic.c | 151 ++++++++++++++++++++++++++++++++
> 1 files changed, 151 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-omap3logic.c b/arch/arm/mach-omap2/board-omap3logic.c
> index 7c0f193..86175fa 100644
> --- a/arch/arm/mach-omap2/board-omap3logic.c
> +++ b/arch/arm/mach-omap2/board-omap3logic.c
> @@ -7,6 +7,9 @@
> * Copyright (C) 2010 Logic Product Development, Inc.
> * Peter Barada <peter.barada at logicpd.com>
> *
> + * Copyright (C) 2011 Meprolight, Ltd.
> + * Alex Gershgorin <alexg at meprolight.com>
> + *
> * Modified from Beagle, EVM, and RX51
> *
> * This program is free software; you can redistribute it and/or modify
> @@ -44,6 +47,10 @@
> #include <plat/gpmc-smsc911x.h>
> #include <plat/gpmc.h>
> #include <plat/sdrc.h>
> +#include <plat/vram.h>
> +
> +#include <video/omapdss.h>
> +#include <video/omap-panel-generic-dpi.h>
>
> #define OMAP3LOGIC_SMSC911X_CS 1
>
> @@ -58,6 +65,14 @@ static struct regulator_consumer_supply omap3logic_vmmc1_supply[] = {
> REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
> };
>
> +static struct regulator_consumer_supply omap3logic_vdds_supplies[] = {
> + REGULATOR_SUPPLY("vdds_sdi", "omapdss"),
> + REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
> +};
> +
> +static struct regulator_consumer_supply omap3logic_vdac_supply =
> + REGULATOR_SUPPLY("vdda_dac", "omapdss_venc");
> +
> /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
> static struct regulator_init_data omap3logic_vmmc1 = {
> .constraints = {
> @@ -74,6 +89,34 @@ static struct regulator_init_data omap3logic_vmmc1 = {
> .consumer_supplies = omap3logic_vmmc1_supply,
> };
>
> +static struct regulator_init_data omap3logic_vpll2 = {
> + .constraints = {
> + .name = "VDDS_DSI",
> + .min_uV = 1800000,
> + .max_uV = 1800000,
> + .apply_uV = true,
> + .always_on = true,
> + .valid_modes_mask = REGULATOR_MODE_NORMAL
> + | REGULATOR_MODE_STANDBY,
> + .valid_ops_mask = REGULATOR_CHANGE_MODE,
> + },
> + .num_consumer_supplies = ARRAY_SIZE(omap3logic_vdds_supplies),
> + .consumer_supplies = omap3logic_vdds_supplies,
> +};
> +
> +static struct regulator_init_data omap3logic_vdac = {
> + .constraints = {
> + .min_uV = 1800000,
> + .max_uV = 1800000,
> + .valid_modes_mask = REGULATOR_MODE_NORMAL
> + | REGULATOR_MODE_STANDBY,
> + .valid_ops_mask = REGULATOR_CHANGE_MODE
> + | REGULATOR_CHANGE_STATUS,
> + },
> + .num_consumer_supplies = 1,
> + .consumer_supplies = &omap3logic_vdac_supply,
> +};
> +
> static struct twl4030_gpio_platform_data omap3logic_gpio_data = {
> .gpio_base = OMAP_MAX_GPIO_LINES,
> .irq_base = TWL4030_GPIO_IRQ_BASE,
> @@ -91,6 +134,8 @@ static struct twl4030_platform_data omap3logic_twldata = {
> /* platform_data for children goes here */
> .gpio = &omap3logic_gpio_data,
> .vmmc1 = &omap3logic_vmmc1,
> + .vpll2 = &omap3logic_vpll2,
> + .vdac = &omap3logic_vdac,
> };
>
> static int __init omap3logic_i2c_init(void)
> @@ -182,6 +227,110 @@ static inline void __init board_smsc911x_init(void)
> gpmc_smsc911x_init(&board_smsc911x_data);
> }
>
> +#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
> +
> +#define OMAP3_TORPEDO_LCD_BACKLIGHT_GPIO 154
> +#define OMAP3_TORPEDO_LCD_ENABLE_GPIO 155
> +#define OMAP3_TORPEDO_LCD_PWM_GPIO 56
> +
> +static struct gpio omap3logic_dss_gpios[] __initdata = {
> + {OMAP3_TORPEDO_LCD_BACKLIGHT_GPIO, GPIOF_OUT_INIT_LOW, "lcd_bl_pwr"},
> + {OMAP3_TORPEDO_LCD_PWM_GPIO, GPIOF_OUT_INIT_LOW, "lcd bl enable"},
> + {OMAP3_TORPEDO_LCD_ENABLE_GPIO, GPIOF_OUT_INIT_LOW, "lcd enable"},
> +};
> +
> +static int omap3logic_enable_lcd(struct omap_dss_device *dssdev)
> +{
> + gpio_set_value_cansleep(OMAP3_TORPEDO_LCD_ENABLE_GPIO, 1);
> + msleep(20);
> + gpio_set_value_cansleep(OMAP3_TORPEDO_LCD_BACKLIGHT_GPIO, 1);
> +
> + return 0;
> +}
> +
> +static void omap3logic_disable_lcd(struct omap_dss_device *dssdev)
> +{
> + gpio_set_value_cansleep(OMAP3_TORPEDO_LCD_ENABLE_GPIO, 0);
> + msleep(20);
> + gpio_set_value_cansleep(OMAP3_TORPEDO_LCD_BACKLIGHT_GPIO, 0);
> +}
> +
> +static struct panel_generic_dpi_data lcd_panel = {
> + .name = "sharp_lq",
> + .platform_enable = omap3logic_enable_lcd,
> + .platform_disable = omap3logic_disable_lcd,
> +};
> +
> +static struct omap_dss_device omap3logic_lcd_device = {
> + .name = "lcd",
> + .driver_name = "generic_dpi_panel",
> + .type = OMAP_DISPLAY_TYPE_DPI,
> + .data = &lcd_panel,
> + .phy.dpi.data_lines = 16,
> +};
> +
> +static struct omap_dss_device omap3logic_tv_device = {
> + .name = "tv",
> + .driver_name = "venc",
> + .type = OMAP_DISPLAY_TYPE_VENC,
> + .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
> +};
> +
> +static struct omap_dss_device *omap3logic_dss_devices[] = {
> + &omap3logic_lcd_device,
> + &omap3logic_tv_device,
> +};
> +
> +static struct omap_dss_board_info omap3logic_dss_data = {
> + .num_devices = ARRAY_SIZE(omap3logic_dss_devices),
> + .devices = omap3logic_dss_devices,
> + .default_device = &omap3logic_lcd_device,
> +};
> +
> +static void __init omap3logic_display_init(void)
> +{
> + int r;
> +
> + r = gpio_request_array(omap3logic_dss_gpios,
> + ARRAY_SIZE(omap3logic_dss_gpios));
> + if (r) {
> + printk(KERN_ERR "failed to get lcd_panel_* gpios\n");
> + return;
> + }
> +
> + gpio_export(OMAP3_TORPEDO_LCD_BACKLIGHT_GPIO, 0);
> + gpio_export(OMAP3_TORPEDO_LCD_ENABLE_GPIO, 0);
> + gpio_export(OMAP3_TORPEDO_LCD_PWM_GPIO, 0);
> +
> + r = omap_display_init(&omap3logic_dss_data);
> + if (r) {
> + pr_err("OMAP3LOGIC: failed to register DSS device\n");
> + gpio_free_array(omap3logic_dss_gpios,
> + ARRAY_SIZE(omap3logic_dss_gpios));
> + }
> +}
> +
> +static void __init omap3logic_video_mem_init(void)
> +{
> + /*
> + * GFX 480x272x32bpp
> + * VID1/2 480x272x32bpp double buffered
> + */
> + omap_vram_set_sdram_vram(PAGE_ALIGN(480 * 272 * 4) +
> + 2 * PAGE_ALIGN(480 * 272 * 4 * 2), 0);
> +}
> +
> +#else
> +static void __init omap3logic_display_init(void) { }
> +static void __init omap3logic_video_mem_init(void){ }
> +#endif /* defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) */
> +
> +static void __init omap3logic_reserve(void)
> +{
> + omap3logic_video_mem_init();
> + omap_reserve();
> +}
> +
> #ifdef CONFIG_OMAP_MUX
> static struct omap_board_mux board_mux[] __initdata = {
> { .reg_offset = OMAP_MUX_TERMINATOR },
> @@ -197,6 +346,7 @@ static void __init omap3logic_init(void)
> omap_sdrc_init(NULL, NULL);
> board_mmc_init();
> board_smsc911x_init();
> + omap3logic_display_init();
>
> /* Ensure SDRC pins are mux'd for self-refresh */
> omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
> @@ -205,6 +355,7 @@ static void __init omap3logic_init(void)
>
> MACHINE_START(OMAP3_TORPEDO, "Logic OMAP3 Torpedo board")
> .atag_offset = 0x100,
> + .reserve = omap3logic_reserve,
> .map_io = omap3_map_io,
> .init_early = omap35xx_init_early,
> .init_irq = omap3_init_irq,
> --
> 1.7.0.4
>
> --
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