From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:49:45 +0200
Subject: Adding upstream version 6.1.76.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 drivers/video/fbdev/omap/lcd_osk.c | 86 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 drivers/video/fbdev/omap/lcd_osk.c

(limited to 'drivers/video/fbdev/omap/lcd_osk.c')

diff --git a/drivers/video/fbdev/omap/lcd_osk.c b/drivers/video/fbdev/omap/lcd_osk.c
new file mode 100644
index 000000000..8168ba0d4
--- /dev/null
+++ b/drivers/video/fbdev/omap/lcd_osk.c
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * LCD panel support for the TI OMAP OSK board
+ *
+ * Copyright (C) 2004 Nokia Corporation
+ * Author: Imre Deak <imre.deak@nokia.com>
+ * Adapted for OSK by <dirk.behme@de.bosch.com>
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#include <linux/soc/ti/omap1-io.h>
+#include <linux/soc/ti/omap1-mux.h>
+
+#include "omapfb.h"
+
+static int osk_panel_enable(struct lcd_panel *panel)
+{
+	/* configure PWL pin */
+	omap_cfg_reg(PWL);
+
+	/* Enable PWL unit */
+	omap_writeb(0x01, OMAP_PWL_CLK_ENABLE);
+
+	/* Set PWL level */
+	omap_writeb(0xFF, OMAP_PWL_ENABLE);
+
+	/* set GPIO2 high (lcd power enabled) */
+	gpio_set_value(2, 1);
+
+	return 0;
+}
+
+static void osk_panel_disable(struct lcd_panel *panel)
+{
+	/* Set PWL level to zero */
+	omap_writeb(0x00, OMAP_PWL_ENABLE);
+
+	/* Disable PWL unit */
+	omap_writeb(0x00, OMAP_PWL_CLK_ENABLE);
+
+	/* set GPIO2 low */
+	gpio_set_value(2, 0);
+}
+
+static struct lcd_panel osk_panel = {
+	.name		= "osk",
+	.config		= OMAP_LCDC_PANEL_TFT,
+
+	.bpp		= 16,
+	.data_lines	= 16,
+	.x_res		= 240,
+	.y_res		= 320,
+	.pixel_clock	= 12500,
+	.hsw		= 40,
+	.hfp		= 40,
+	.hbp		= 72,
+	.vsw		= 1,
+	.vfp		= 1,
+	.vbp		= 0,
+	.pcd		= 12,
+
+	.enable		= osk_panel_enable,
+	.disable	= osk_panel_disable,
+};
+
+static int osk_panel_probe(struct platform_device *pdev)
+{
+	omapfb_register_panel(&osk_panel);
+	return 0;
+}
+
+static struct platform_driver osk_panel_driver = {
+	.probe		= osk_panel_probe,
+	.driver		= {
+		.name	= "lcd_osk",
+	},
+};
+
+module_platform_driver(osk_panel_driver);
+
+MODULE_AUTHOR("Imre Deak");
+MODULE_DESCRIPTION("LCD panel support for the TI OMAP OSK board");
+MODULE_LICENSE("GPL");
-- 
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