diff options
| -rw-r--r-- | Documentation/devicetree/bindings/panel/lg,ld070wx3-sl01.txt | 7 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/panel/lg,lh500wx1-sd03.txt | 7 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/panel/lg,lp129qe.txt | 7 | ||||
| -rw-r--r-- | MAINTAINERS | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-simple.c | 157 |
5 files changed, 137 insertions, 51 deletions
diff --git a/Documentation/devicetree/bindings/panel/lg,ld070wx3-sl01.txt b/Documentation/devicetree/bindings/panel/lg,ld070wx3-sl01.txt new file mode 100644 index 000000000000..5e649cb9aa1a --- /dev/null +++ b/Documentation/devicetree/bindings/panel/lg,ld070wx3-sl01.txt @@ -0,0 +1,7 @@ +LG Corporation 7" WXGA TFT LCD panel + +Required properties: +- compatible: should be "lg,ld070wx3-sl01" + +This binding is compatible with the simple-panel binding, which is specified +in simple-panel.txt in this directory. diff --git a/Documentation/devicetree/bindings/panel/lg,lh500wx1-sd03.txt b/Documentation/devicetree/bindings/panel/lg,lh500wx1-sd03.txt new file mode 100644 index 000000000000..a04fd2b2e73d --- /dev/null +++ b/Documentation/devicetree/bindings/panel/lg,lh500wx1-sd03.txt @@ -0,0 +1,7 @@ +LG Corporation 5" HD TFT LCD panel + +Required properties: +- compatible: should be "lg,lh500wx1-sd03" + +This binding is compatible with the simple-panel binding, which is specified +in simple-panel.txt in this directory. diff --git a/Documentation/devicetree/bindings/panel/lg,lp129qe.txt b/Documentation/devicetree/bindings/panel/lg,lp129qe.txt new file mode 100644 index 000000000000..9f262e0c5a2e --- /dev/null +++ b/Documentation/devicetree/bindings/panel/lg,lp129qe.txt @@ -0,0 +1,7 @@ +LG 12.9" (2560x1700 pixels) TFT LCD panel + +Required properties: +- compatible: should be "lg,lp129qe" + +This binding is compatible with the simple-panel binding, which is specified +in simple-panel.txt in this directory. diff --git a/MAINTAINERS b/MAINTAINERS index 1a308b8e10a4..4f56025da802 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2866,6 +2866,16 @@ F: drivers/gpu/drm/radeon/ F: include/drm/radeon* F: include/uapi/drm/radeon* +DRM PANEL DRIVERS +M: Thierry Reding <thierry.reding@gmail.com> +L: dri-devel@lists.freedesktop.org +T: git git://anongit.freedesktop.org/tegra/linux.git +S: Maintained +F: drivers/gpu/drm/drm_panel.c +F: drivers/gpu/drm/panel/ +F: include/drm/drm_panel.h +F: Documentation/devicetree/bindings/panel/ + INTEL DRM DRIVERS (excluding Poulsbo, Moorestown and derivative chipsets) M: Daniel Vetter <daniel.vetter@ffwll.ch> M: Jani Nikula <jani.nikula@linux.intel.com> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 59d52ca2c67f..309f29e9234a 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -22,9 +22,8 @@ */ #include <linux/backlight.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/module.h> -#include <linux/of_gpio.h> #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/regulator/consumer.h> @@ -44,9 +43,6 @@ struct panel_desc { } size; }; -/* TODO: convert to gpiod_*() API once it's been merged */ -#define GPIO_ACTIVE_LOW (1 << 0) - struct panel_simple { struct drm_panel base; bool enabled; @@ -57,8 +53,7 @@ struct panel_simple { struct regulator *supply; struct i2c_adapter *ddc; - unsigned long enable_gpio_flags; - int enable_gpio; + struct gpio_desc *enable_gpio; }; static inline struct panel_simple *to_panel_simple(struct drm_panel *panel) @@ -110,12 +105,8 @@ static int panel_simple_disable(struct drm_panel *panel) backlight_update_status(p->backlight); } - if (gpio_is_valid(p->enable_gpio)) { - if (p->enable_gpio_flags & GPIO_ACTIVE_LOW) - gpio_set_value(p->enable_gpio, 1); - else - gpio_set_value(p->enable_gpio, 0); - } + if (p->enable_gpio) + gpiod_set_value_cansleep(p->enable_gpio, 0); regulator_disable(p->supply); p->enabled = false; @@ -137,12 +128,8 @@ static int panel_simple_enable(struct drm_panel *panel) return err; } - if (gpio_is_valid(p->enable_gpio)) { - if (p->enable_gpio_flags & GPIO_ACTIVE_LOW) - gpio_set_value(p->enable_gpio, 0); - else - gpio_set_value(p->enable_gpio, 1); - } + if (p->enable_gpio) + gpiod_set_value_cansleep(p->enable_gpio, 1); if (p->backlight) { p->backlight->props.power = FB_BLANK_UNBLANK; @@ -185,7 +172,6 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc) { struct device_node *backlight, *ddc; struct panel_simple *panel; - enum of_gpio_flags flags; int err; panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL); @@ -199,29 +185,20 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc) if (IS_ERR(panel->supply)) return PTR_ERR(panel->supply); - panel->enable_gpio = of_get_named_gpio_flags(dev->of_node, - "enable-gpios", 0, - &flags); - if (gpio_is_valid(panel->enable_gpio)) { - unsigned int value; - - if (flags & OF_GPIO_ACTIVE_LOW) - panel->enable_gpio_flags |= GPIO_ACTIVE_LOW; - - err = gpio_request(panel->enable_gpio, "enable"); - if (err < 0) { - dev_err(dev, "failed to request GPIO#%u: %d\n", - panel->enable_gpio, err); + panel->enable_gpio = devm_gpiod_get(dev, "enable"); + if (IS_ERR(panel->enable_gpio)) { + err = PTR_ERR(panel->enable_gpio); + if (err != -ENOENT) { + dev_err(dev, "failed to request GPIO: %d\n", err); return err; } - value = (panel->enable_gpio_flags & GPIO_ACTIVE_LOW) != 0; - - err = gpio_direction_output(panel->enable_gpio, value); + panel->enable_gpio = NULL; + } else { + err = gpiod_direction_output(panel->enable_gpio, 0); if (err < 0) { - dev_err(dev, "failed to setup GPIO%u: %d\n", - panel->enable_gpio, err); - goto free_gpio; + dev_err(dev, "failed to setup GPIO: %d\n", err); + return err; } } @@ -230,10 +207,8 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc) panel->backlight = of_find_backlight_by_node(backlight); of_node_put(backlight); - if (!panel->backlight) { - err = -EPROBE_DEFER; - goto free_gpio; - } + if (!panel->backlight) + return -EPROBE_DEFER; } ddc = of_parse_phandle(dev->of_node, "ddc-i2c-bus", 0); @@ -265,9 +240,6 @@ free_ddc: free_backlight: if (panel->backlight) put_device(&panel->backlight->dev); -free_gpio: - if (gpio_is_valid(panel->enable_gpio)) - gpio_free(panel->enable_gpio); return err; } @@ -287,11 +259,6 @@ static int panel_simple_remove(struct device *dev) if (panel->backlight) put_device(&panel->backlight->dev); - if (gpio_is_valid(panel->enable_gpio)) - gpio_free(panel->enable_gpio); - - regulator_disable(panel->supply); - return 0; } @@ -361,6 +328,28 @@ static const struct panel_desc chunghwa_claa101wb01 = { }, }; +static const struct drm_display_mode lg_lp129qe_mode = { + .clock = 285250, + .hdisplay = 2560, + .hsync_start = 2560 + 48, + .hsync_end = 2560 + 48 + 32, + .htotal = 2560 + 48 + 32 + 80, + .vdisplay = 1700, + .vsync_start = 1700 + 3, + .vsync_end = 1700 + 3 + 10, + .vtotal = 1700 + 3 + 10 + 36, + .vrefresh = 60, +}; + +static const struct panel_desc lg_lp129qe = { + .modes = &lg_lp129qe_mode, + .num_modes = 1, + .size = { + .width = 272, + .height = 181, + }, +}; + static const struct drm_display_mode samsung_ltn101nt05_mode = { .clock = 54030, .hdisplay = 1024, @@ -394,6 +383,9 @@ static const struct of_device_id platform_of_match[] = { .compatible = "chunghwa,claa101wb01", .data = &chunghwa_claa101wb01 }, { + .compatible = "lg,lp129qe", + .data = &lg_lp129qe, + }, { .compatible = "samsung,ltn101nt05", .data = &samsung_ltn101nt05, }, { @@ -433,10 +425,65 @@ static struct platform_driver panel_simple_platform_driver = { struct panel_desc_dsi { struct panel_desc desc; + unsigned long flags; enum mipi_dsi_pixel_format format; unsigned int lanes; }; +static const struct drm_display_mode lg_ld070wx3_sl01_mode = { + .clock = 71000, + .hdisplay = 800, + .hsync_start = 800 + 32, + .hsync_end = 800 + 32 + 1, + .htotal = 800 + 32 + 1 + 57, + .vdisplay = 1280, + .vsync_start = 1280 + 28, + .vsync_end = 1280 + 28 + 1, + .vtotal = 1280 + 28 + 1 + 14, + .vrefresh = 60, +}; + +static const struct panel_desc_dsi lg_ld070wx3_sl01 = { + .desc = { + .modes = &lg_ld070wx3_sl01_mode, + .num_modes = 1, + .size = { + .width = 94, + .height = 151, + }, + }, + .flags = MIPI_DSI_MODE_VIDEO, + .format = MIPI_DSI_FMT_RGB888, + .lanes = 4, +}; + +static const struct drm_display_mode lg_lh500wx1_sd03_mode = { + .clock = 67000, + .hdisplay = 720, + .hsync_start = 720 + 12, + .hsync_end = 720 + 12 + 4, + .htotal = 720 + 12 + 4 + 112, + .vdisplay = 1280, + .vsync_start = 1280 + 8, + .vsync_end = 1280 + 8 + 4, + .vtotal = 1280 + 8 + 4 + 12, + .vrefresh = 60, +}; + +static const struct panel_desc_dsi lg_lh500wx1_sd03 = { + .desc = { + .modes = &lg_lh500wx1_sd03_mode, + .num_modes = 1, + .size = { + .width = 62, + .height = 110, + }, + }, + .flags = MIPI_DSI_MODE_VIDEO, + .format = MIPI_DSI_FMT_RGB888, + .lanes = 4, +}; + static const struct drm_display_mode panasonic_vvx10f004b00_mode = { .clock = 157200, .hdisplay = 1920, @@ -459,12 +506,19 @@ static const struct panel_desc_dsi panasonic_vvx10f004b00 = { .height = 136, }, }, + .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE, .format = MIPI_DSI_FMT_RGB888, .lanes = 4, }; static const struct of_device_id dsi_of_match[] = { { + .compatible = "lg,ld070wx3-sl01", + .data = &lg_ld070wx3_sl01 + }, { + .compatible = "lg,lh500wx1-sd03", + .data = &lg_lh500wx1_sd03 + }, { .compatible = "panasonic,vvx10f004b00", .data = &panasonic_vvx10f004b00 }, { @@ -489,6 +543,7 @@ static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi) if (err < 0) return err; + dsi->mode_flags = desc->flags; dsi->format = desc->format; dsi->lanes = desc->lanes; |