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/Linux-v5.4/Documentation/devicetree/bindings/display/panel/
Dpanel-common.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/panel/panel-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
18 When referenced from panel device tree bindings the properties defined in this
19 document are defined as follows. The panel device tree bindings are
24 width-mm:
29 height-mm:
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Dilitek,ili9322.txt1 Ilitek ILI9322 TFT panel driver with SPI control bus
4 streams that get adapted and scaled to the panel. The panel output has
9 - compatible: "dlink,dir-685-panel", "ilitek,ili9322"
10 (full system-specific compatible is always required to look up configuration)
11 - reg: address of the panel on the SPI bus
14 - vcc-supply: core voltage supply, see regulator/regulator.txt
15 - iovcc-supply: voltage supply for the interface input/output signals,
17 - vci-supply: voltage supply for analog parts, see regulator/regulator.txt
18 - reset-gpios: a GPIO spec for the reset pin, see gpio/gpio.txt
23 - pixelclk-active: see display/panel/display-timing.txt
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Dlvds.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/panel/lvds.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: LVDS Display Panel
10 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
11 - Thierry Reding <thierry.reding@gmail.com>
14 LVDS is a physical layer specification defined in ANSI/TIA/EIA-644-A. Multiple
19 [JEIDA] "Digital Interface Standards for Monitor", JEIDA-59-1999, February
23 [VESA] "VESA Notebook Panel Standard", October 2007 (Version 1.0), Video
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/Linux-v5.4/Documentation/devicetree/bindings/display/
Dst,stm32-ltdc.txt1 * STMicroelectronics STM32 lcd-tft display controller
3 - ltdc: lcd-tft display controller host
5 - compatible: "st,stm32-ltdc"
6 - reg: Physical base address of the IP registers and length of memory mapped region.
7 - clocks: A list of phandle + clock-specifier pairs, one for each
8 entry in 'clock-names'.
9 - clock-names: A list of clock names. For ltdc it should contain:
10 - "lcd" for the clock feeding the output pixel clock & IP clock.
11 - resets: reset to be used by the device (defined by use of RCC macro).
13 - Video port for DPI RGB output: ltdc has one video port with up to 2
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/Linux-v5.4/drivers/video/backlight/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
14 This framework adds support for low-level control of LCD.
15 Some framebuffer devices connect to platform-specific LCD modules
16 in order to have a platform-specific way to control the flat panel
19 To have support for your specific LCD panel you will have to
25 tristate "LCD Panel support for SHARP corgi/spitz model"
48 tristate "Samsung LTV350QV LCD Panel"
51 If you have a Samsung LTV350QV LCD panel, say y to include a
52 power control driver for it. The panel starts up in power
56 The LTV350QV panel is present on all ATSTK1000 boards.
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/Linux-v5.4/include/linux/amba/
Dclcd.h2 * linux/include/asm-arm/hardware/amba_clcd.h -- Integrator LCD panel.
13 #include <linux/amba/clcd-regs.h>
58 * and the panel we need to know this and not try to
76 * the board-type specific routines
93 * Compulsory. Decode fb->fb.var into regs->*. In the case of
94 * fixed timing, set regs->* to the register values required.
109 * Setup platform specific parts of CLCD driver
119 * Remove platform specific parts of CLCD driver
132 struct clcd_panel *panel; member
145 struct fb_var_screeninfo *var = &fb->fb.var; in clcdfb_decode()
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/Linux-v5.4/drivers/gpu/drm/msm/disp/dpu1/
Ddpu_encoder_phys.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (c) 2015-2018 The Linux Foundation. All rights reserved.
26 * enum dpu_enc_split_role - Role this physical encoder will play in a
27 * split-panel configuration, where one panel is master, and others slaves.
29 * @ENC_ROLE_SOLO: This is the one and only panel. This encoder is master.
30 * @ENC_ROLE_MASTER: This encoder is the master of a split panel config.
31 * @ENC_ROLE_SLAVE: This encoder is not the master of a split panel config.
40 * enum dpu_enc_enable_state - current enabled state of the physical encoder
42 * Events bounding transition are encoder type specific
45 * Events bounding transition are encoder type specific
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/Linux-v5.4/drivers/gpu/drm/panel/
Dpanel-sitronix-st7701.c1 // SPDX-License-Identifier: GPL-2.0+
66 #define DSI_CMD2_BK0_PORCTRL_B0(m) ((m)->vtotal - (m)->vsync_end)
67 #define DSI_CMD2_BK0_PORCTRL_B1(m) ((m)->vsync_start - (m)->vdisplay)
83 #define DSI_PWCTLR2_AVCL 0x0 /* AVCL -4.4v */
102 struct drm_panel panel; member
112 static inline struct st7701 *panel_to_st7701(struct drm_panel *panel) in panel_to_st7701() argument
114 return container_of(panel, struct st7701, panel); in panel_to_st7701()
120 return mipi_dsi_dcs_write_buffer(st7701->dsi, seq, len); in st7701_dsi_write()
131 const struct drm_display_mode *mode = st7701->desc->mode; in st7701_init_sequence()
140 msleep(st7701->sleep_delay); in st7701_init_sequence()
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Dpanel-sharp-ls037v7dw01.c1 // SPDX-License-Identifier: GPL-2.0
3 * Sharp LS037V7DW01 LCD Panel Driver
7 * Based on the omapdrm-specific panel-sharp-ls037v7dw01 driver
25 struct drm_panel panel; member
37 container_of(p, struct ls037v7dw01_panel, panel)
39 static int ls037v7dw01_disable(struct drm_panel *panel) in ls037v7dw01_disable() argument
41 struct ls037v7dw01_panel *lcd = to_ls037v7dw01_device(panel); in ls037v7dw01_disable()
43 gpiod_set_value_cansleep(lcd->ini_gpio, 0); in ls037v7dw01_disable()
44 gpiod_set_value_cansleep(lcd->resb_gpio, 0); in ls037v7dw01_disable()
52 static int ls037v7dw01_unprepare(struct drm_panel *panel) in ls037v7dw01_unprepare() argument
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DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
6 Panel registration and lookup framework.
12 tristate "ARM Versatile panel driver"
18 reference designs. The panel is detected using special registers
22 tristate "Generic LVDS panel driver"
27 This driver supports LVDS panels that don't require device-specific
29 backlight handling if the panel is attached to a backlight controller.
37 DRM panel driver for dumb panels that need at most a regulator and
39 that it can be automatically turned off when the panel goes into a
43 tristate "Feiyang FY07024DI26A30-D MIPI-DSI LCD panel"
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Dpanel-lg-lb035q02.c1 // SPDX-License-Identifier: GPL-2.0
3 * LG.Philips LB035Q02 LCD Panel Driver
7 * Based on the omapdrm-specific panel-lgphilips-lb035q02 driver
24 struct drm_panel panel; member
30 #define to_lb035q02_device(p) container_of(p, struct lb035q02_device, panel)
60 return spi_sync(lcd->spi, &msg); in lb035q02_write()
109 static int lb035q02_disable(struct drm_panel *panel) in lb035q02_disable() argument
111 struct lb035q02_device *lcd = to_lb035q02_device(panel); in lb035q02_disable()
113 gpiod_set_value_cansleep(lcd->enable_gpio, 0); in lb035q02_disable()
118 static int lb035q02_enable(struct drm_panel *panel) in lb035q02_enable() argument
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Dpanel-lvds.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Generic LVDS panel driver
27 struct drm_panel panel; member
44 static inline struct panel_lvds *to_panel_lvds(struct drm_panel *panel) in to_panel_lvds() argument
46 return container_of(panel, struct panel_lvds, panel); in to_panel_lvds()
49 static int panel_lvds_disable(struct drm_panel *panel) in panel_lvds_disable() argument
51 struct panel_lvds *lvds = to_panel_lvds(panel); in panel_lvds_disable()
53 if (lvds->backlight) { in panel_lvds_disable()
54 lvds->backlight->props.power = FB_BLANK_POWERDOWN; in panel_lvds_disable()
55 lvds->backlight->props.state |= BL_CORE_FBBLANK; in panel_lvds_disable()
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Dpanel-nec-nl8048hl11.c1 // SPDX-License-Identifier: GPL-2.0+
3 * NEC NL8048HL11 Panel Driver
7 * Based on the omapdrm-specific panel-nec-nl8048hl11 driver
24 struct drm_panel panel; member
30 #define to_nl8048_device(p) container_of(p, struct nl8048_panel, panel)
38 ret = spi_write(lcd->spi, data, sizeof(data)); in nl8048_write()
40 dev_err(&lcd->spi->dev, "SPI write to %u failed: %d\n", in nl8048_write()
90 static int nl8048_disable(struct drm_panel *panel) in nl8048_disable() argument
92 struct nl8048_panel *lcd = to_nl8048_device(panel); in nl8048_disable()
94 gpiod_set_value_cansleep(lcd->reset_gpio, 0); in nl8048_disable()
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Dpanel-rocktech-jh057n00900.c1 // SPDX-License-Identifier: GPL-2.0
3 * Rockteck jh057n00900 5.5" MIPI-DSI panel driver
16 #include <linux/media-bus-format.h>
22 #define DRV_NAME "panel-rocktech-jh057n00900"
24 /* Manufacturer specific Commands send via DSI */
48 struct drm_panel panel; member
58 static inline struct jh057n *panel_to_jh057n(struct drm_panel *panel) in panel_to_jh057n() argument
60 return container_of(panel, struct jh057n, panel); in panel_to_jh057n()
73 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in jh057n_init_sequence()
74 struct device *dev = ctx->dev; in jh057n_init_sequence()
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Dpanel-tpo-td028ttec1.c1 // SPDX-License-Identifier: GPL-2.0
3 * Toppoly TD028TTEC1 Panel Driver
7 * Based on the omapdrm-specific panel-tpo-td028ttec1 driver
13 * Copyright (C) 2006-2007 OpenMoko, Inc.
16 * Ported and adapted from Neo 1973 U-Boot by:
83 struct drm_panel panel; member
89 #define to_td028ttec1_device(p) container_of(p, struct td028ttec1_panel, panel)
93 struct spi_device *spi = lcd->spi; in jbt_ret_write_0()
102 dev_err(&spi->dev, "%s: SPI write failed: %d\n", __func__, ret); in jbt_ret_write_0()
113 struct spi_device *spi = lcd->spi; in jbt_reg_write_1()
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/Linux-v5.4/drivers/gpu/drm/pl111/
Dpl111_drv.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * (C) COPYRIGHT 2012-2013 ARM Limited. All rights reserved.
7 * Copyright (c) 2006-2008 Intel Corporation
23 * a panel driver (which may be as simple as an entry in
24 * panel-simple.c).
36 * - Fix race between setting plane base address and getting IRQ for
39 * - Use the "max-memory-bandwidth" DT property to filter the
42 * - Read back hardware state at boot to skip reprogramming the
43 * hardware when doing a no-op modeset.
45 * - Use the CLKSEL bit to support switching between the two external
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/Linux-v5.4/Documentation/media/v4l-drivers/
Ddavinci-vpbe.rst1 .. SPDX-License-Identifier: GPL-2.0
7 -----------------
28 -----------------------
49 board specific settings (specified in board-xxx-evm.c). This allows
52 API to set timings in VENC for a specific display resolution. As of this
59 at the port or LCD panel timings required. When external encoder/LCD panel
60 is connected, the timings for a specific standard/preset is retrieved from
61 the board specific table and the values are used to set the timings in
62 venc using non-standard timing mode.
64 Support LCD Panel displays using the VENC. For example to support a Logic
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/Linux-v5.4/drivers/gpu/drm/omapdrm/dss/
Domapdss-boot-init.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
8 * As omapdss panel drivers are omapdss specific, but we want to define the
9 * DT-data in generic manner, we convert the compatible strings of the panel and
10 * encoder nodes from "panel-foo" to "omapdss,panel-foo". This way we can have
11 * both correct DT data and omapdss specific drivers.
13 * When we get generic panel drivers to the kernel, this file will be removed.
34 const char *p = prop->value; in omapdss_count_strings()
38 for (i = 0; total < prop->length; total += l, p += l, i++) in omapdss_count_strings()
53 prop->name = "compatible"; in omapdss_update_prop()
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/Linux-v5.4/Documentation/devicetree/bindings/display/exynos/
Dexynos_dp.txt2 the type of panel connected to it.
5 -dp-controller node
6 -dptx-phy node(defined inside dp-controller node)
8 For the DP-PHY initialization, we use the dptx-phy node.
9 Required properties for dptx-phy: deprecated, use phys and phy-names
10 -reg: deprecated
12 -samsung,enable-mask: deprecated
13 The bit-mask used to enable/disable DP PHY.
15 For the Panel initialization, we read data from dp-controller node.
16 Required properties for dp-controller:
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Dexynos7-decon.txt1 Device-Tree bindings for Samsung Exynos7 SoC display controller (DECON)
8 - compatible: value should be "samsung,exynos7-decon";
10 - reg: physical base address and length of the DECON registers set.
12 - interrupts: should contain a list of all DECON IP block interrupts in the
16 - interrupt-names: should contain the interrupt names: "fifo", "vsync",
20 - pinctrl-0: pin control group to be used for this controller.
22 - pinctrl-names: must contain a "default" entry.
24 - clocks: must include clock specifiers corresponding to entries in the
25 clock-names property.
27 - clock-names: list of clock names sorted in the same order as the clocks
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/Linux-v5.4/Documentation/devicetree/bindings/display/hisilicon/
Ddw-dsi.txt1 Device-Tree bindings for DesignWare DSI Host Controller v1.20a driver
4 HDMI converter or panel.
7 - compatible: value should be "hisilicon,hi6220-dsi".
8 - reg: physical base address and length of dsi controller's registers.
9 - clocks: contains APB clock phandle + clock-specifier pair.
10 - clock-names: should be "pclk".
11 - ports: contains DSI controller input and output sub port.
13 The output port with the reg value "1", it could connect to panel or
17 A example of HiKey board hi6220 SoC and board specific DT entry:
20 SoC specific:
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/Linux-v5.4/drivers/video/fbdev/omap2/omapfb/dss/
Domapdss-boot-init.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * As omapdss panel drivers are omapdss specific, but we want to define the
9 * DT-data in generic manner, we convert the compatible strings of the panel and
10 * encoder nodes from "panel-foo" to "omapdss,panel-foo". This way we can have
11 * both correct DT data and omapdss specific drivers.
13 * When we get generic panel drivers to the kernel, this file will be removed.
34 const char *p = prop->value; in omapdss_count_strings()
38 for (i = 0; total < prop->length; total += l, p += l, i++) in omapdss_count_strings()
53 prop->name = "compatible"; in omapdss_update_prop()
54 prop->value = compat; in omapdss_update_prop()
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/Linux-v5.4/include/linux/platform_data/
Dvideo_s3c.h1 /* SPDX-License-Identifier: GPL-2.0 */
13 * struct s3c_fb_pd_win - per window setup data
29 * struct s3c_fb_platdata - S3C driver platform specific information
33 * @vidcon0: The base vidcon0 values to control the panel data format.
34 * @vidcon1: The base vidcon1 values to control the panel data output.
35 * @vtiming: Video timing when connected to a RGB type panel.
/Linux-v5.4/drivers/gpu/drm/exynos/
Dexynos_dp.c1 // SPDX-License-Identifier: GPL-2.0-or-later
49 struct drm_encoder *encoder = &dp->encoder; in exynos_dp_crtc_clock_enable()
51 if (!encoder->crtc) in exynos_dp_crtc_clock_enable()
52 return -EPERM; in exynos_dp_crtc_clock_enable()
54 exynos_drm_pipe_clk_enable(to_exynos_crtc(encoder->crtc), enable); in exynos_dp_crtc_clock_enable()
76 if (dp->plat_data.panel) in exynos_dp_get_modes()
79 mode = drm_mode_create(connector->dev); in exynos_dp_get_modes()
81 DRM_DEV_ERROR(dp->dev, in exynos_dp_get_modes()
86 drm_display_mode_from_videomode(&dp->vm, mode); in exynos_dp_get_modes()
87 connector->display_info.width_mm = mode->width_mm; in exynos_dp_get_modes()
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/Linux-v5.4/drivers/gpu/drm/gma500/
Doaktrail.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (c) 2007-2011, Intel Corporation.
10 /* MID device specific descriptors */
78 /* Bit 0, Frequency, 15 bits,0 - 32767Hz */
84 /* 0: Type-1, */
85 /* 1: Type-2, */
86 /* 2: Type-3, */
87 /* 3: Type-4 */
94 /* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
107 /*Bit 0, Frequency, 16 bits, 0 - 32767Hz*/
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