[PATCH v2 31/87] video: Drop unused lg4573 driver

Simon Glass sjg at chromium.org
Sun Jan 29 01:58:07 CET 2023


This is not used since this commit:

   3cf02f5ffa4 imx6: remove not longer supported aristainetos boards

Drop the driver and Kconfig option.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

(no changes since v1)

 drivers/video/Makefile |   1 -
 drivers/video/lg4573.c | 331 -----------------------------------------
 2 files changed, 332 deletions(-)
 delete mode 100644 drivers/video/lg4573.c

diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 40a871d638e..12b68cdd068 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -30,7 +30,6 @@ obj-${CONFIG_VIDEO_TEGRA124} += tegra124/
 obj-$(CONFIG_ATMEL_HLCD) += atmel_hlcdfb.o
 obj-$(CONFIG_ATMEL_LCD) += atmel_lcdfb.o
 obj-$(CONFIG_IHS_VIDEO_OUT) += ihs_video_out.o
-obj-$(CONFIG_LG4573) += lg4573.o
 obj-$(CONFIG_LOGICORE_DP_TX) += logicore_dp_tx.o
 obj-$(CONFIG_NXP_TDA19988) += tda19988.o
 obj-$(CONFIG_OSD) += video_osd-uclass.o
diff --git a/drivers/video/lg4573.c b/drivers/video/lg4573.c
deleted file mode 100644
index dd87fc461b9..00000000000
--- a/drivers/video/lg4573.c
+++ /dev/null
@@ -1,331 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * LCD: LG4573, TFT 4.3", 480x800, RGB24
- * LCD initialization via SPI
- *
- */
-#include <common.h>
-#include <backlight.h>
-#include <command.h>
-#include <display.h>
-#include <dm.h>
-#include <log.h>
-#include <dm/read.h>
-#include <dm/uclass-internal.h>
-#include <errno.h>
-#include <spi.h>
-#include <asm/gpio.h>
-#include <linux/delay.h>
-
-#define PWR_ON_DELAY_MSECS  120
-
-static int lb043wv_spi_write_u16(struct spi_slave *slave, u16 val)
-{
-	unsigned short buf16 = htons(val);
-	int ret = 0;
-
-	ret = spi_xfer(slave, 16, &buf16, NULL,
-		       SPI_XFER_BEGIN | SPI_XFER_END);
-	if (ret)
-		debug("%s: Failed to send: %d\n", __func__, ret);
-
-	return ret;
-}
-
-static void lb043wv_spi_write_u16_array(struct spi_slave *slave, u16 *buff,
-					int size)
-{
-	int i;
-
-	for (i = 0; i < size; i++)
-		lb043wv_spi_write_u16(slave, buff[i]);
-}
-
-static void lb043wv_display_mode_settings(struct spi_slave *slave)
-{
-	static u16 display_mode_settings[] = {
-	  0x703A,
-	  0x7270,
-	  0x70B1,
-	  0x7208,
-	  0x723B,
-	  0x720F,
-	  0x70B2,
-	  0x7200,
-	  0x72C8,
-	  0x70B3,
-	  0x7200,
-	  0x70B4,
-	  0x7200,
-	  0x70B5,
-	  0x7242,
-	  0x7210,
-	  0x7210,
-	  0x7200,
-	  0x7220,
-	  0x70B6,
-	  0x720B,
-	  0x720F,
-	  0x723C,
-	  0x7213,
-	  0x7213,
-	  0x72E8,
-	  0x70B7,
-	  0x7246,
-	  0x7206,
-	  0x720C,
-	  0x7200,
-	  0x7200,
-	};
-
-	debug("transfer display mode settings\n");
-	lb043wv_spi_write_u16_array(slave, display_mode_settings,
-				    ARRAY_SIZE(display_mode_settings));
-}
-
-static void lb043wv_power_settings(struct spi_slave *slave)
-{
-	static u16 power_settings[] = {
-	  0x70C0,
-	  0x7201,
-	  0x7211,
-	  0x70C3,
-	  0x7207,
-	  0x7203,
-	  0x7204,
-	  0x7204,
-	  0x7204,
-	  0x70C4,
-	  0x7212,
-	  0x7224,
-	  0x7218,
-	  0x7218,
-	  0x7202,
-	  0x7249,
-	  0x70C5,
-	  0x726F,
-	  0x70C6,
-	  0x7241,
-	  0x7263,
-	};
-
-	debug("transfer power settings\n");
-	lb043wv_spi_write_u16_array(slave, power_settings,
-				    ARRAY_SIZE(power_settings));
-}
-
-static void lb043wv_gamma_settings(struct spi_slave *slave)
-{
-	static u16 gamma_settings[] = {
-	  0x70D0,
-	  0x7203,
-	  0x7207,
-	  0x7273,
-	  0x7235,
-	  0x7200,
-	  0x7201,
-	  0x7220,
-	  0x7200,
-	  0x7203,
-	  0x70D1,
-	  0x7203,
-	  0x7207,
-	  0x7273,
-	  0x7235,
-	  0x7200,
-	  0x7201,
-	  0x7220,
-	  0x7200,
-	  0x7203,
-	  0x70D2,
-	  0x7203,
-	  0x7207,
-	  0x7273,
-	  0x7235,
-	  0x7200,
-	  0x7201,
-	  0x7220,
-	  0x7200,
-	  0x7203,
-	  0x70D3,
-	  0x7203,
-	  0x7207,
-	  0x7273,
-	  0x7235,
-	  0x7200,
-	  0x7201,
-	  0x7220,
-	  0x7200,
-	  0x7203,
-	  0x70D4,
-	  0x7203,
-	  0x7207,
-	  0x7273,
-	  0x7235,
-	  0x7200,
-	  0x7201,
-	  0x7220,
-	  0x7200,
-	  0x7203,
-	  0x70D5,
-	  0x7203,
-	  0x7207,
-	  0x7273,
-	  0x7235,
-	  0x7200,
-	  0x7201,
-	  0x7220,
-	  0x7200,
-	  0x7203,
-	};
-
-	debug("transfer gamma settings\n");
-	lb043wv_spi_write_u16_array(slave, gamma_settings,
-				    ARRAY_SIZE(gamma_settings));
-}
-
-static void lb043wv_display_on(struct spi_slave *slave)
-{
-	static u16 sleep_out = 0x7011;
-	static u16 display_on = 0x7029;
-
-	lb043wv_spi_write_u16(slave, sleep_out);
-	mdelay(PWR_ON_DELAY_MSECS);
-	lb043wv_spi_write_u16(slave, display_on);
-}
-
-static int lg4573_spi_startup(struct spi_slave *slave)
-{
-	int ret;
-
-	ret = spi_claim_bus(slave);
-	if (ret)
-		return ret;
-
-	lb043wv_display_mode_settings(slave);
-	lb043wv_power_settings(slave);
-	lb043wv_gamma_settings(slave);
-	lb043wv_display_on(slave);
-
-	spi_release_bus(slave);
-	return 0;
-}
-
-static int do_lgset(struct cmd_tbl *cmdtp, int flag, int argc,
-		    char *const argv[])
-{
-	struct spi_slave *slave;
-	struct udevice *dev;
-	int ret;
-
-	ret = uclass_get_device_by_driver(UCLASS_DISPLAY,
-					  DM_DRIVER_GET(lg4573_lcd), &dev);
-	if (ret) {
-		printf("%s: Could not get lg4573 device\n", __func__);
-		return ret;
-	}
-	slave = dev_get_parent_priv(dev);
-	if (!slave) {
-		printf("%s: No slave data\n", __func__);
-		return -ENODEV;
-	}
-	lg4573_spi_startup(slave);
-
-	return 0;
-}
-
-U_BOOT_CMD(
-	lgset,	2,	1,	do_lgset,
-	"set lgdisplay",
-	""
-);
-
-static int lg4573_bind(struct udevice *dev)
-{
-	return 0;
-}
-
-static int lg4573_probe(struct udevice *dev)
-{
-	return 0;
-}
-
-static const struct udevice_id lg4573_ids[] = {
-	{ .compatible = "lg,lg4573" },
-	{ }
-};
-
-struct lg4573_lcd_priv {
-	struct display_timing timing;
-	struct udevice *backlight;
-	struct gpio_desc enable;
-	int panel_bpp;
-	u32 power_on_delay;
-};
-
-static int lg4573_lcd_read_timing(struct udevice *dev,
-				  struct display_timing *timing)
-{
-	struct lg4573_lcd_priv *priv = dev_get_priv(dev);
-
-	memcpy(timing, &priv->timing, sizeof(struct display_timing));
-
-	return 0;
-}
-
-static int lg4573_lcd_enable(struct udevice *dev, int bpp,
-			     const struct display_timing *edid)
-{
-	struct spi_slave *slave = dev_get_parent_priv(dev);
-	struct lg4573_lcd_priv *priv = dev_get_priv(dev);
-	int ret = 0;
-
-	dm_gpio_set_value(&priv->enable, 1);
-	ret = backlight_enable(priv->backlight);
-
-	mdelay(priv->power_on_delay);
-	lg4573_spi_startup(slave);
-
-	return ret;
-};
-
-static const struct dm_display_ops lg4573_lcd_ops = {
-	.read_timing = lg4573_lcd_read_timing,
-	.enable = lg4573_lcd_enable,
-};
-
-static int lg4573_of_to_plat(struct udevice *dev)
-{
-	struct lg4573_lcd_priv *priv = dev_get_priv(dev);
-	int ret;
-
-	ret = uclass_get_device_by_phandle(UCLASS_PANEL_BACKLIGHT, dev,
-					   "backlight", &priv->backlight);
-	if (ret) {
-		debug("%s: Cannot get backlight: ret=%d\n", __func__, ret);
-		return log_ret(ret);
-	}
-	ret = gpio_request_by_name(dev, "enable-gpios", 0, &priv->enable,
-				   GPIOD_IS_OUT);
-	if (ret) {
-		debug("%s: Warning: cannot get enable GPIO: ret=%d\n",
-		      __func__, ret);
-		if (ret != -ENOENT)
-			return log_ret(ret);
-	}
-
-	priv->power_on_delay = dev_read_u32_default(dev, "power-on-delay", 10);
-
-	return 0;
-}
-
-U_BOOT_DRIVER(lg4573_lcd) = {
-	.name   = "lg4573",
-	.id     = UCLASS_DISPLAY,
-	.ops    = &lg4573_lcd_ops,
-	.of_to_plat	= lg4573_of_to_plat,
-	.of_match = lg4573_ids,
-	.bind   = lg4573_bind,
-	.probe  = lg4573_probe,
-	.priv_auto	= sizeof(struct lg4573_lcd_priv),
-};
-- 
2.39.1.456.gfc5497dd1b-goog



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