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path: root/drivers/video/fbdev/omap/lcd_osk.c
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Diffstat (limited to 'drivers/video/fbdev/omap/lcd_osk.c')
-rw-r--r--drivers/video/fbdev/omap/lcd_osk.c86
1 files changed, 86 insertions, 0 deletions
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");