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/linux-6.14.4/Documentation/devicetree/bindings/display/
Dsharp,ls010b7dh04.yaml14 a SPI bus. The displays require a signal (VCOM) to be generated to prevent
16 can be used to provide the VCOM signal ("software", "external", "pwm").
38 sharp,vcom-mode:
42 "maintain display" message to the display, toggling the vcom
57 description: External VCOM signal
62 - sharp,vcom-mode
70 sharp,vcom-mode:
89 sharp,vcom-mode = "software";
/linux-6.14.4/drivers/gpu/drm/tiny/
Dsharp-memory.c74 u8 vcom; member
114 static inline void sharp_memory_set_tx_buffer_mode(u8 *buffer, u8 mode, u8 vcom) in sharp_memory_set_tx_buffer_mode() argument
116 *buffer = mode | (vcom << 1); in sharp_memory_set_tx_buffer_mode()
156 u8 vcom = smd->vcom; in sharp_memory_update_display() local
164 SHARP_MEMORY_DISPLAY_UPDATE_MODE, vcom); in sharp_memory_update_display()
178 u8 vcom = smd->vcom; in sharp_memory_maintain_display() local
183 sharp_memory_set_tx_buffer_mode(&tx_buffer[0], SHARP_MEMORY_DISPLAY_MAINTAIN_MODE, vcom); in sharp_memory_maintain_display()
195 u8 vcom = smd->vcom; in sharp_memory_clear_display() local
200 sharp_memory_set_tx_buffer_mode(&tx_buffer[0], SHARP_MEMORY_DISPLAY_CLEAR_MODE, vcom); in sharp_memory_clear_display()
312 smd->vcom ^= 1; /* Toggle vcom */ in sharp_memory_sw_vcom_signal_thread()
[all …]
Dili9163.c68 /* VCOM */ in yx240qv29_enable()
Drepaper.c720 /* Vcom level */ in repaper_pipe_enable()
740 /* Charge pump Vcom on - Vcom driver on */ in repaper_pipe_enable()
815 /* Power off charge pump Vcom */ in repaper_pipe_disable()
/linux-6.14.4/Documentation/devicetree/bindings/mfd/
Dsilergy,sy7636a.yaml42 vcom:
51 const: vcom
76 reg_epdpmic: vcom {
77 regulator-name = "vcom";
/linux-6.14.4/drivers/staging/fbtft/
Dfb_st7789v.c38 * @VCOMS: VCOM setting
42 * @VCMOFSET: VCOM offset set
181 * VAP = 4.1V + (VCOM + VCOM offset + 0.5 * VDV) in init_display()
182 * VAN = -4.1V + (VCOM + VCOM offset + 0.5 * VDV) in init_display()
192 /* VCOM = 0.9V */ in init_display()
198 /* VCOM offset = 0V */ in init_display()
Dfb_ili9325.c39 MODULE_PARM_DESC(vdv, "Select the factor of VREG1OUT to set the amplitude of Vcom");
58 * VCOM amplitude = VREG1OUT * 0.98 = 4.79
69 * Source/VCOM power supply voltage
79 * VCOM driver output voltage
113 write_reg(par, 0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */ in init_display()
121 write_reg(par, 0x0013, vdv << 8); /* Set VDV[4:0] for VCOM amplitude */ in init_display()
Dfb_ili9340.c39 /* VCOM Control 1 */ in init_display()
42 /* VCOM Control 2 */ in init_display()
Dfb_upd161704.c68 write_reg(par, 0x001E, 0x0009); /* VCOM output setting */ in init_display()
69 write_reg(par, 0x001F, 0x0035); /* VCOM amplitude setting */ in init_display()
Dfb_hx8340bn.c73 * This command is used to set VCOM Low and VCOM High Voltage in init_display()
Dfb_ili9320.c89 /* VDV[4:0] for VCOM amplitude */ in init_display()
106 /* R13h=0x1800 at VCI=3.3V VDV[4:0] for VCOM amplitude */ in init_display()
Dfb_ili9481.c27 /* VCOM */
Dfb_ili9486.c29 /* VCOM Control 1 */
Dfb_hx8353d.c31 /* VCOM */ in init_display()
/linux-6.14.4/drivers/gpu/drm/panel/
Dpanel-ilitek-ili9322.c58 * voltage for the VCOM levels and the greyscale level.
373 "can't set up VCOM amplitude (%d)\n", ret); in ili9322_init()
382 dev_err(ili->dev, "can't set up VCOM high (%d)\n", ret); in ili9322_init()
772 dev_err(dev, "too low VCOM high\n"); in ili9322_probe()
776 dev_err(dev, "too high VCOM high\n"); in ili9322_probe()
780 dev_dbg(dev, "VCOM high = 0x%02x\n", val); in ili9322_probe()
790 dev_err(dev, "too low VCOM amplitude\n"); in ili9322_probe()
794 dev_err(dev, "too high VCOM amplitude\n"); in ili9322_probe()
799 dev_dbg(dev, "VCOM amplitude = 0x%02x\n", val); in ili9322_probe()
Dpanel-ilitek-ili9341.c46 #define ILI9341_VCOM1 0xc5 /* VCOM Control 1 register */
47 #define ILI9341_VCOM2 0xc7 /* VCOM Control 2 register */
141 /* vcom_1: VCOM Control 1(C5h) */
143 /* vcom_2: VCOM Control 2(C7h) */
247 * Determine source/VCOM output in a non-display area in the partial
323 /* VCOM */ in ili9341_dpi_init()
Dpanel-kingdisplay-kd097d04.c46 /* VCOM disable */
50 /* VCOM setting */
Dpanel-himax-hx8394.c158 /* 5.19.5 SETVCOM: Set VCOM voltage (B6h) */ in hsd060bhw4_init_sequence()
234 /* 5.19.5 SETVCOM: Set VCOM voltage (B6h) */ in powkiddy_x55_init_sequence()
373 /* 5.19.5 SETVCOM: Set VCOM voltage (B6h) */ in mchp_ac40t08a_init_sequence()
/linux-6.14.4/drivers/regulator/
Dsy7636a-regulator.c63 .name = "vcom",
71 .of_match = of_match_ptr("vcom"),
/linux-6.14.4/Documentation/devicetree/bindings/display/panel/
Dilitek,ili9322.yaml15 960 TFT source driver pins and 240 TFT gate driver pins, VCOM, VCOML and
/linux-6.14.4/arch/sh/boards/mach-kfr2r09/
Dlcd_wqvga.c168 /* timing (source/VCOM/gate driving) */ in display_on()
188 /* VCOM */ in display_on()
/linux-6.14.4/drivers/hwmon/
Dsy7636a-hwmon.c76 regulator = devm_regulator_get(&pdev->dev, "vcom"); in sy7636a_sensor_probe()
/linux-6.14.4/arch/arm/boot/dts/nxp/imx/
Dimx6dl-mamoj.dts111 reg_lcd_vcom: regulator-lcd-vcom {
113 regulator-name = "lcd-vcom";
Dimx7d-remarkable2.dts328 reg_epdpmic: vcom {
329 regulator-name = "vcom";
/linux-6.14.4/arch/arm64/boot/dts/freescale/
Dimx8mp-skov-reva.dtsi141 reg_tft_vcom: regulator-tft-vcom {
144 regulator-name = "VCOM";

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