mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 09:05:12 +07:00
1a59d1b8e0
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
87 lines
1.6 KiB
C
87 lines
1.6 KiB
C
// 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 <mach/hardware.h>
|
|
#include <mach/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");
|