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/Linux-v6.1/drivers/gpu/drm/rockchip/
Drockchip_lvds.c40 * struct rockchip_lvds_soc_data - rockchip lvds Soc private data
41 * @probe: LVDS platform probe function
42 * @helper_funcs: LVDS connector helper functions
45 int (*probe)(struct platform_device *pdev, struct rockchip_lvds *lvds);
56 int output; /* rgb lvds or dual lvds output */
78 static inline void rk3288_writel(struct rockchip_lvds *lvds, u32 offset, in rk3288_writel() argument
81 writel_relaxed(val, lvds->regs + offset); in rk3288_writel()
82 if (lvds->output == DISPLAY_OUTPUT_LVDS) in rk3288_writel()
84 writel_relaxed(val, lvds->regs + offset + RK3288_LVDS_CH1_OFFSET); in rk3288_writel()
103 else if (strncmp(s, "lvds", 4) == 0) in rockchip_lvds_name_to_output()
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/Linux-v6.1/drivers/gpu/drm/rcar-du/
Drcar_lvds.c3 * R-Car LVDS Encoder
48 #define RCAR_LVDS_QUIRK_LANES BIT(0) /* LVDS lanes 1 and 3 inverted */
57 void (*pll_setup)(struct rcar_lvds *lvds, unsigned int freq);
83 static void rcar_lvds_write(struct rcar_lvds *lvds, u32 reg, u32 data) in rcar_lvds_write() argument
85 iowrite32(data, lvds->mmio + reg); in rcar_lvds_write()
92 static void rcar_lvds_pll_setup_gen2(struct rcar_lvds *lvds, unsigned int freq) in rcar_lvds_pll_setup_gen2() argument
105 rcar_lvds_write(lvds, LVDPLLCR, val); in rcar_lvds_pll_setup_gen2()
108 static void rcar_lvds_pll_setup_gen3(struct rcar_lvds *lvds, unsigned int freq) in rcar_lvds_pll_setup_gen3() argument
121 rcar_lvds_write(lvds, LVDPLLCR, val); in rcar_lvds_pll_setup_gen3()
133 static void rcar_lvds_d3_e3_pll_calc(struct rcar_lvds *lvds, struct clk *clk, in rcar_lvds_d3_e3_pll_calc() argument
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/Linux-v6.1/drivers/gpu/drm/panel/
Dpanel-lvds.c3 * Generic LVDS panel driver
52 struct panel_lvds *lvds = to_panel_lvds(panel); in panel_lvds_unprepare() local
54 if (lvds->enable_gpio) in panel_lvds_unprepare()
55 gpiod_set_value_cansleep(lvds->enable_gpio, 0); in panel_lvds_unprepare()
57 if (lvds->supply) in panel_lvds_unprepare()
58 regulator_disable(lvds->supply); in panel_lvds_unprepare()
65 struct panel_lvds *lvds = to_panel_lvds(panel); in panel_lvds_prepare() local
67 if (lvds->supply) { in panel_lvds_prepare()
70 err = regulator_enable(lvds->supply); in panel_lvds_prepare()
72 dev_err(lvds->dev, "failed to enable supply: %d\n", in panel_lvds_prepare()
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/Linux-v6.1/Documentation/devicetree/bindings/display/bridge/
Drenesas,lvds.yaml4 $id: http://devicetree.org/schemas/display/bridge/renesas,lvds.yaml#
7 title: Renesas R-Car LVDS Encoder
13 These DT bindings describe the LVDS encoder embedded in the Renesas R-Car
19 - renesas,r8a7742-lvds # for RZ/G1H compatible LVDS encoders
20 - renesas,r8a7743-lvds # for RZ/G1M compatible LVDS encoders
21 - renesas,r8a7744-lvds # for RZ/G1N compatible LVDS encoders
22 - renesas,r8a774a1-lvds # for RZ/G2M compatible LVDS encoders
23 - renesas,r8a774b1-lvds # for RZ/G2N compatible LVDS encoders
24 - renesas,r8a774c0-lvds # for RZ/G2E compatible LVDS encoders
25 - renesas,r8a774e1-lvds # for RZ/G2H compatible LVDS encoders
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Dlvds-codec.yaml4 $id: http://devicetree.org/schemas/display/bridge/lvds-codec.yaml#
7 title: Transparent LVDS encoders and decoders
13 This binding supports transparent LVDS encoders and decoders that don't
16 LVDS is a physical layer specification defined in ANSI/TIA/EIA-644-A. Multiple
18 to LVDS panels. This binding targets devices compatible with the following
23 [LDI] "Open LVDS Display Interface", May 1999 (Version 0.95), National
39 - const: lvds-encoder # Generic LVDS encoder compatible fallback
42 - ti,ds90cf364a # For the DS90CF364A FPD-Link LVDS Receiver
43 - ti,ds90cf384a # For the DS90CF384A FPD-Link LVDS Receiver
44 - const: lvds-decoder # Generic LVDS decoders compatible fallback
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Dlontium,lt9211.yaml7 title: Lontium LT9211 DSI/LVDS/DPI to DSI/LVDS/DPI bridge.
13 The LT9211 are bridge devices which convert Single/Dual-Link DSI/LVDS
14 or Single DPI to Single/Dual-Link DSI/LVDS or Single DPI.
42 LVDS port-1 for LVDS input or DPI input.
47 Additional MIPI port-2 for MIPI input or LVDS port-2
48 for LVDS input. Used in combination with primary
55 LVDS port-1 for LVDS output or DPI output.
60 Additional MIPI port-2 for MIPI output or LVDS port-2
61 for LVDS output. Used in combination with primary
Dtoshiba,tc358775.yaml7 title: Toshiba TC358775 DSI to LVDS bridge bindings
13 This binding supports DSI to LVDS bridge TC358775
17 Up to 1600x1200 24-bit/pixel resolution for single-link LVDS display panel
18 limited by 135 MHz LVDS speed
19 Up to WUXGA (1920x1200 24-bit pixels) resolution for dual-link LVDS display
20 panel, limited by 270 MHz LVDS speed.
31 description: 1.2V LVDS Power Supply
57 Video port for LVDS output (panel or connector).
62 Video port for Dual link LVDS output (panel or connector).
83 /* For single-link LVDS display panel */
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Dthine,thc63lvd1024.yaml7 title: Thine Electronics THC63LVD1024 LVDS Decoder
14 The THC63LVD1024 is a dual link LVDS receiver designed to convert LVDS
16 modes, handling up to two LVDS input streams and up to two digital CMOS/TTL
45 description: First LVDS input port
49 description: Second LVDS input port
73 Power supply for the TTL output, TTL CLOCKOUT signal, LVDS input, PLL and
87 lvds-decoder {
Dfsl,ldb.yaml7 title: Freescale i.MX8MP DPI to LVDS bridge chip
14 for configuring the on-SoC DPI-to-LVDS serializer. This describes
33 - const: lvds
45 description: Video port for LVDS Channel-A output (panel or bridge).
49 description: Video port for LVDS Channel-B output (panel or bridge).
75 reg-names = "ldb", "lvds";
/Linux-v6.1/drivers/gpu/drm/sun4i/
Dsun4i_lvds.c44 struct sun4i_lvds *lvds = in sun4i_lvds_get_modes() local
47 return drm_panel_get_modes(lvds->panel, connector); in sun4i_lvds_get_modes()
70 struct sun4i_lvds *lvds = drm_encoder_to_sun4i_lvds(encoder); in sun4i_lvds_encoder_enable() local
72 DRM_DEBUG_DRIVER("Enabling LVDS output\n"); in sun4i_lvds_encoder_enable()
74 if (lvds->panel) { in sun4i_lvds_encoder_enable()
75 drm_panel_prepare(lvds->panel); in sun4i_lvds_encoder_enable()
76 drm_panel_enable(lvds->panel); in sun4i_lvds_encoder_enable()
82 struct sun4i_lvds *lvds = drm_encoder_to_sun4i_lvds(encoder); in sun4i_lvds_encoder_disable() local
84 DRM_DEBUG_DRIVER("Disabling LVDS output\n"); in sun4i_lvds_encoder_disable()
86 if (lvds->panel) { in sun4i_lvds_encoder_disable()
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/Linux-v6.1/Documentation/devicetree/bindings/phy/
Dfsl,imx8qm-lvds-phy.yaml4 $id: http://devicetree.org/schemas/phy/fsl,imx8qm-lvds-phy.yaml#
7 title: Mixel LVDS PHY for Freescale i.MX8qm SoC
13 The Mixel LVDS PHY IP block is found on Freescale i.MX8qm SoC.
15 groups of four data lanes of LVDS data streams. A phase-locked
17 data streams over a fifth LVDS link. Every cycle of the transmit
19 through the two groups of LVDS data streams. Together with the
20 transmit clocks, the two groups of LVDS data streams form two
21 LVDS channels.
23 The Mixel LVDS PHY found on Freescale i.MX8qm SoC is controlled
30 - fsl,imx8qm-lvds-phy
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/Linux-v6.1/Documentation/devicetree/bindings/display/imx/
Dldb.txt1 Device-Tree bindings for LVDS Display Bridge (ldb)
3 LVDS Display Bridge
6 The LVDS Display Bridge device tree node contains up to two lvds-channel
7 nodes describing each of the two LVDS encoder channels of the bridge.
15 interfaces as input for each LVDS channel.
17 The phandle points to the iomuxc-gpr region containing the LVDS
23 "di0_pll" - LDB LVDS channel 0 mux
24 "di1_pll" - LDB LVDS channel 1 mux
25 "di0" - LDB LVDS channel 0 gate
26 "di1" - LDB LVDS channel 1 gate
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/Linux-v6.1/Documentation/devicetree/bindings/display/panel/
Dadvantech,idk-2121wr.yaml7 title: Advantech IDK-2121WR 21.5" Full-HD dual-LVDS panel
14 The IDK-2121WR from Advantech is a Full-HD dual-LVDS panel.
15 A dual-LVDS interface is a dual-link connection with even pixels traveling
20 dual-lvds-odd-pixels or dual-lvds-even-pixels).
26 - {} # panel-lvds, but not listed here to avoid false select
48 dual-lvds-odd-pixels: true
51 - dual-lvds-odd-pixels
58 dual-lvds-even-pixels: true
61 - dual-lvds-even-pixels
79 panel-lvds {
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/Linux-v6.1/drivers/gpu/drm/bridge/
DKconfig85 Support for i.MX8MP DPI-to-LVDS on-SoC encoder.
119 tristate "Lontium LT9211 DSI/LVDS/DPI bridge"
126 Driver for Lontium LT9211 Single/Dual-Link DSI/LVDS or Single DPI
127 input to Single-link/Dual-Link DSI/LVDS or Single DPI output bridge
168 tristate "Transparent LVDS encoders and decoders support"
173 Support for transparent LVDS encoders and decoders that don't
183 GE B850v3 that convert dual channel LVDS
204 tristate "NXP PTN3460 DP/LVDS bridge"
209 NXP PTN3460 eDP-LVDS bridge chip driver.
212 tristate "Parade eDP/LVDS bridge"
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/Linux-v6.1/Documentation/devicetree/bindings/display/rockchip/
Drockchip-lvds.txt1 Rockchip RK3288 LVDS interface
6 - "rockchip,rk3288-lvds";
7 - "rockchip,px30-lvds";
20 - rockchip,output: "rgb", "lvds" or "duallvds", This describes the output interface
22 - phys: LVDS/DSI DPHY (px30 only)
31 The lvds has two video ports as described by
41 lvds_panel: lvds-panel {
55 lvds: lvds@ff96c000 {
56 compatible = "rockchip,rk3288-lvds";
/Linux-v6.1/arch/arm64/boot/dts/renesas/
Dr8a774c0-ek874-idk-2121wr.dts4 * connected to an Advantech IDK-2121WR 21.5" LVDS panel
23 panel-lvds {
24 compatible = "advantech,idk-2121wr", "panel-lvds";
49 dual-lvds-odd-pixels;
57 dual-lvds-even-pixels;
68 * When GP0_17 is low LVDS[01] are connected to the LVDS connector
69 * When GP0_17 is high LVDS[01] are connected to the LT8918L
71 lvds-connector-en-hog {
75 line-name = "lvds-connector-en-gpio";
/Linux-v6.1/arch/arm/boot/dts/
Dimx6ull-colibri-wifi-iris-v2.dts23 /* This turns the LVDS transceiver on */
24 lvds-power-on {
34 * This switches the LVDS transceiver to the single-channel
37 lvds-ch-mode {
45 * This switches the LVDS transceiver to the 24-bit RGB mode.
47 lvds-rgb-mode {
57 * This switches the LVDS transceiver to VESA color mapping mode.
59 lvds-color-map {
Dimx6ull-colibri-iris-v2.dts23 /* This turns the LVDS transceiver on */
24 lvds-power-on {
34 * This switches the LVDS transceiver to the single-channel
37 lvds-ch-mode {
45 * This switches the LVDS transceiver to the 24-bit RGB mode.
47 lvds-rgb-mode {
57 * This switches the LVDS transceiver to VESA color mapping mode.
59 lvds-color-map {
Dimx7d-colibri-iris-v2.dts31 * This switches the LVDS transceiver to VESA color mapping mode.
33 lvds-color-map-hog {
43 * This switches the LVDS transceiver to the 24-bit RGB mode.
45 lvds-rgb-mode-hog {
53 * This switches the LVDS transceiver to the single-channel
56 lvds-ch-mode-hog {
63 /* This turns the LVDS transceiver on */
64 lvds-power-on-hog {
Dimx7s-colibri-iris-v2.dts31 * This switches the LVDS transceiver to VESA color mapping mode.
33 lvds-color-map-hog {
43 * This switches the LVDS transceiver to the 24-bit RGB mode.
45 lvds-rgb-mode-hog {
53 * This switches the LVDS transceiver to the single-channel
56 lvds-ch-mode-hog {
63 /* This turns the LVDS transceiver on */
64 lvds-power-on-hog {
/Linux-v6.1/Documentation/devicetree/bindings/display/
Dlvds.yaml4 $id: http://devicetree.org/schemas/display/lvds.yaml#
7 title: LVDS Display Common Properties
14 LVDS is a physical layer specification defined in ANSI/TIA/EIA-644-A. Multiple
16 to LVDS devices. This bindings supports devices compatible with the following
21 [LDI] "Open LVDS Display Interface", May 1999 (Version 0.95), National
38 LVDS data mappings are defined as follows.
41 [VESA] specifications. Data are transferred as follows on 3 LVDS lanes.
52 specifications. Data are transferred as follows on 4 LVDS lanes.
64 Data are transferred as follows on 4 LVDS lanes.
/Linux-v6.1/drivers/gpu/drm/gma500/
Dpsb_intel_lvds.c23 * LVDS I2C backlight control macros
82 * Set LVDS backlight level by I2C command
149 dev_info(dev->dev, "Backlight lvds set brightness %08x\n", in psb_lvds_pwm_set_brightness()
157 * Set LVDS backlight level either by I2C or PWM
166 dev_err(dev->dev, "NO LVDS backlight info\n"); in psb_intel_lvds_set_brightness()
248 /* XXX: We never power down the LVDS pairs. */ in psb_intel_lvds_encoder_dpms()
261 lvds_priv->saveLVDS = REG_READ(LVDS); in psb_intel_lvds_save()
314 REG_WRITE(LVDS, lvds_priv->saveLVDS); in psb_intel_lvds_restore()
374 /* PSB requires the LVDS is on pipe B, MRST has only one pipe anyway */ in psb_intel_lvds_mode_fixup()
376 pr_err("Can't support LVDS on pipe A\n"); in psb_intel_lvds_mode_fixup()
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Dcdv_intel_lvds.c25 * LVDS I2C backlight control macros
142 /* XXX: We never power down the LVDS pairs. */ in cdv_intel_lvds_encoder_dpms()
193 pr_err("Can't enable LVDS and another encoder on the same pipe\n"); in cdv_intel_lvds_mode_fixup()
268 * The LVDS pin pair will already have been turned on in the in cdv_intel_lvds_mode_set()
416 * the LVDS is present.
419 * If no child dev is parsed from VBT, it assumes that the LVDS is present.
445 * the VBT correctly. Since LVDS requires additional in lvds_is_present_in_vbt()
447 * a good indicator that the LVDS is actually present. in lvds_is_present_in_vbt()
455 * the OpRegion then they have validated the LVDS's existence. in lvds_is_present_in_vbt()
465 * cdv_intel_lvds_init - setup LVDS connectors on this device
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/Linux-v6.1/drivers/gpu/drm/i915/display/
Dintel_lvds.c53 /* Private structure for the integrated LVDS support */
199 drm_dbg(&dev_priv->drm, "LVDS PPS:t1+t2 %d t3 %d t4 %d t5 %d tx %d " in intel_lvds_pps_get_hw_state()
283 * Set the dithering flag on LVDS as needed, note that there is no in intel_pre_enable_lvds()
284 * special lvds dither control bit on pch-split platforms, dithering is in intel_pre_enable_lvds()
289 * Bspec wording suggests that LVDS port dithering only exists in intel_pre_enable_lvds()
426 drm_err(&dev_priv->drm, "Can't support LVDS on pipe A\n"); in intel_lvds_compute_config()
437 "forcing display bpp (was %d) to LVDS (%d)\n", in intel_lvds_compute_config()
511 DRM_INFO("Skipping LVDS initialization for %s\n", id->ident); in intel_no_lvds_dmi_callback()
515 /* These systems claim to have LVDS, but really don't */
730 DRM_INFO("Forcing lvds to dual link mode on %s\n", id->ident); in intel_dual_link_lvds_callback()
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/Linux-v6.1/drivers/gpu/drm/amd/display/dc/bios/
Dbios_parser.c1000 /* for SS_Info table only support DP and LVDS */ in get_ss_info_from_tbl()
1215 ATOM_LVDS_INFO_V12 *lvds; in get_embedded_panel_info_v1_2() local
1223 lvds = in get_embedded_panel_info_v1_2()
1226 if (!lvds) in get_embedded_panel_info_v1_2()
1229 if (1 != lvds->sHeader.ucTableFormatRevision in get_embedded_panel_info_v1_2()
1230 || 2 > lvds->sHeader.ucTableContentRevision) in get_embedded_panel_info_v1_2()
1237 le16_to_cpu(lvds->sLCDTiming.usPixClk) * 10; in get_embedded_panel_info_v1_2()
1240 le16_to_cpu(lvds->sLCDTiming.usHActive); in get_embedded_panel_info_v1_2()
1242 * borders duing this translation, but LVDS generally*/ in get_embedded_panel_info_v1_2()
1244 * now. May need to revisit if we ever have LVDS with borders*/ in get_embedded_panel_info_v1_2()
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