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linux-3.0: add support for 'uLCD' expansionboard
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
This commit is contained in:
Koen Kooi
+170
@@ -0,0 +1,170 @@
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From 79f2013a573226d43a9d07760f81c297ba93b3c0 Mon Sep 17 00:00:00 2001
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From: Roger Monk <r-monk@ti.com>
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Date: Wed, 10 Aug 2011 16:54:34 +0200
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Subject: [PATCH 1/3] omap2-displays: Add support for ThreeFiveCorp S9700 Display
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* Add support for s9700rtwv35tr01b display panel
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* This is used on BeagleBoardToys ULCD/-lite daugtercards
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Signed-off-by: Roger Monk <r-monk@ti.com>
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---
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drivers/video/omap2/displays/Kconfig | 6 +
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drivers/video/omap2/displays/Makefile | 1 +
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.../omap2/displays/panel-tfc-s9700rtwv35tr01b.c | 118 ++++++++++++++++++++
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3 files changed, 125 insertions(+), 0 deletions(-)
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create mode 100644 drivers/video/omap2/displays/panel-tfc-s9700rtwv35tr01b.c
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diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
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index 609a280..f8be2a8 100644
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--- a/drivers/video/omap2/displays/Kconfig
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+++ b/drivers/video/omap2/displays/Kconfig
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@@ -30,6 +30,12 @@ config PANEL_NEC_NL8048HL11_01B
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This NEC NL8048HL11-01B panel is TFT LCD
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used in the Zoom2/3/3630 sdp boards.
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+config PANEL_TFCS9700RTWV35TR01B
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+ tristate "TFC S9700RTWV35TR01B"
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+ depends on OMAP2_DSS
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+ help
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+ LCD Panel used on BeagleboardToys 800x480 LCD Expansion Module
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+
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config PANEL_TAAL
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tristate "Taal DSI Panel"
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depends on OMAP2_DSS_DSI
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diff --git a/drivers/video/omap2/displays/Makefile b/drivers/video/omap2/displays/Makefile
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index 0f601ab..8abdf50 100644
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--- a/drivers/video/omap2/displays/Makefile
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+++ b/drivers/video/omap2/displays/Makefile
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@@ -5,4 +5,5 @@ obj-$(CONFIG_PANEL_NEC_NL8048HL11_01B) += panel-nec-nl8048hl11-01b.o
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obj-$(CONFIG_PANEL_TAAL) += panel-taal.o
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obj-$(CONFIG_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
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+obj-$(CONFIG_PANEL_TFCS9700RTWV35TR01B) += panel-tfc-s9700rtwv35tr01b.o
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obj-$(CONFIG_PANEL_ACX565AKM) += panel-acx565akm.o
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diff --git a/drivers/video/omap2/displays/panel-tfc-s9700rtwv35tr01b.c b/drivers/video/omap2/displays/panel-tfc-s9700rtwv35tr01b.c
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new file mode 100644
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index 0000000..796393d
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--- /dev/null
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+++ b/drivers/video/omap2/displays/panel-tfc-s9700rtwv35tr01b.c
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@@ -0,0 +1,118 @@
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+/*
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+ * LCD panel driver for TFC S9700RTWV35TR-01B
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+ *
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+ * Copyright (C) 2011 Texas Instruments Inc
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+ * Author: Roger Monk <r-monk@ti.com>
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+ * From Original by : Vaibhav Hiremath <hvaibhav@ti.com>
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+ *
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License version 2 as published by
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+ * the Free Software Foundation.
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+ *
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+ * This program is distributed in the hope that it will be useful, but WITHOUT
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+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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+ * more details.
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+ *
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+ * You should have received a copy of the GNU General Public License along with
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+ * this program. If not, see <http://www.gnu.org/licenses/>.
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+ */
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+
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+#include <linux/module.h>
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+#include <linux/delay.h>
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+#include <linux/device.h>
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+#include <linux/err.h>
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+
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+#include <plat/display.h>
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+
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+static struct omap_video_timings tfc_timings = {
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+ .x_res = 800,
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+ .y_res = 480,
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+
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+ .pixel_clock = 30000,
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+
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+ .hsw = 49,
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+ .hfp = 41,
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+ .hbp = 40,
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+
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+ .vsw = 4,
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+ .vfp = 14,
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+ .vbp = 29,
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+};
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+
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+static int tfc_panel_probe(struct omap_dss_device *dssdev)
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+{
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+ dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
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+ OMAP_DSS_LCD_IHS; // | OMAP_DSS_LCD_IEO; - TODO check this - doesn't work with this enabled
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+ dssdev->panel.acb = 0x0;
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+ dssdev->panel.timings = tfc_timings;
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+
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+ return 0;
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+}
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+
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+static void tfc_panel_remove(struct omap_dss_device *dssdev)
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+{
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+}
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+
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+static int tfc_panel_enable(struct omap_dss_device *dssdev)
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+{
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+ int r = 0;
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+
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+ /* wait couple of vsyncs until enabling the LCD */
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+ msleep(50);
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+
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+ if (dssdev->platform_enable)
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+ r = dssdev->platform_enable(dssdev);
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+
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+ return r;
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+}
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+
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+static void tfc_panel_disable(struct omap_dss_device *dssdev)
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+{
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+ if (dssdev->platform_disable)
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+ dssdev->platform_disable(dssdev);
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+
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+ /* wait at least 5 vsyncs after disabling the LCD */
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+
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+ msleep(100);
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+}
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+
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+static int tfc_panel_suspend(struct omap_dss_device *dssdev)
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+{
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+ tfc_panel_disable(dssdev);
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+ return 0;
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+}
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+
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+static int tfc_panel_resume(struct omap_dss_device *dssdev)
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+{
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+ return tfc_panel_enable(dssdev);
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+}
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+
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+static struct omap_dss_driver tfc_s9700_driver = {
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+ .probe = tfc_panel_probe,
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+ .remove = tfc_panel_remove,
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+
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+ .enable = tfc_panel_enable,
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+ .disable = tfc_panel_disable,
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+ .suspend = tfc_panel_suspend,
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+ .resume = tfc_panel_resume,
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+
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+ .driver = {
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+ .name = "tfc_s9700_panel",
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+ .owner = THIS_MODULE,
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+ },
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+};
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+
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+static int __init tfc_panel_drv_init(void)
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+{
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+ return omap_dss_register_driver(&tfc_s9700_driver);
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+}
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+
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+static void __exit tfc_panel_drv_exit(void)
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+{
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+ omap_dss_unregister_driver(&tfc_s9700_driver);
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+}
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+
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+module_init(tfc_panel_drv_init);
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+module_exit(tfc_panel_drv_exit);
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+MODULE_LICENSE("GPL");
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--
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1.6.6.1
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@@ -0,0 +1,72 @@
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From 1fc2bd36acf09d22db63b59985eab1a663855581 Mon Sep 17 00:00:00 2001
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From: Jason Kridner <jkridner@beagleboard.org>
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Date: Fri, 5 Aug 2011 18:07:09 +0000
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Subject: [PATCH 2/3] omap3: beagle: added lcd driver
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This enables the tfc_s9700_panel by default. Needs to be extended to
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redefine the driver name at boot time.
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---
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arch/arm/mach-omap2/board-omap3beagle.c | 25 +++++++++++++++++++++++++
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1 files changed, 25 insertions(+), 0 deletions(-)
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diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
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index 5e1d9f9..b525a5e 100644
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--- a/arch/arm/mach-omap2/board-omap3beagle.c
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+++ b/arch/arm/mach-omap2/board-omap3beagle.c
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@@ -84,11 +84,13 @@ static struct {
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int usb_pwr_level;
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int reset_gpio;
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int usr_button_gpio;
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+ char *lcd_driver_name;
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} beagle_config = {
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.mmc1_gpio_wp = -EINVAL,
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.usb_pwr_level = GPIOF_OUT_INIT_LOW,
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.reset_gpio = 129,
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.usr_button_gpio = 4,
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+ .lcd_driver_name = "",
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};
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static struct gpio omap3_beagle_rev_gpios[] __initdata = {
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@@ -387,9 +389,28 @@ static struct omap_dss_device beagle_tv_device = {
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.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
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};
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+static int beagle_enable_lcd(struct omap_dss_device *dssdev)
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+{
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+ return 0;
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+}
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+
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+static int beagle_disable_lcd(struct omap_dss_device *dssdev)
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+{
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+}
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+
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+static struct omap_dss_device beagle_lcd_device = {
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+ .name = "lcd",
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+ .driver_name = "",
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+ .type = OMAP_DISPLAY_TYPE_DPI,
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+ .phy.dpi.data_lines = 24,
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+ .platform_enable = beagle_enable_lcd,
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+ .platform_disable = beagle_disable_lcd,
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+};
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+
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static struct omap_dss_device *beagle_dss_devices[] = {
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&beagle_dvi_device,
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&beagle_tv_device,
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+ &beagle_lcd_device,
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};
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static struct omap_dss_board_info beagle_dss_data = {
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@@ -733,6 +754,10 @@ static void __init omap3_beagle_init(void)
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gpio_buttons[0].gpio = beagle_config.usr_button_gpio;
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+ /* TODO: set lcd_driver_name by command line or device tree */
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+ beagle_config.lcd_driver_name = "tfc_s9700_panel";
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+ beagle_lcd_device.driver_name = beagle_config.lcd_driver_name;
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+
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platform_add_devices(omap3_beagle_devices,
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ARRAY_SIZE(omap3_beagle_devices));
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omap_display_init(&beagle_dss_data);
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--
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1.6.6.1
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@@ -0,0 +1,40 @@
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From a2fa8fa573f44d60d812779cf55e546303dcd6cb Mon Sep 17 00:00:00 2001
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From: Joel A Fernandes <agnel.joel@gmail.com>
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Date: Wed, 17 Aug 2011 00:28:49 -0500
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Subject: [PATCH 3/3] Make fbset show correct timing values
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Signed-off-by: Joel A Fernandes <agnel.joel@gmail.com>
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Cc: "Monk, Roger" <r-monk@ti.com>
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---
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.../omap2/displays/panel-tfc-s9700rtwv35tr01b.c | 8 +++++++-
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1 files changed, 7 insertions(+), 1 deletions(-)
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diff --git a/drivers/video/omap2/displays/panel-tfc-s9700rtwv35tr01b.c b/drivers/video/omap2/displays/panel-tfc-s9700rtwv35tr01b.c
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index 796393d..9689a2c 100644
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--- a/drivers/video/omap2/displays/panel-tfc-s9700rtwv35tr01b.c
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+++ b/drivers/video/omap2/displays/panel-tfc-s9700rtwv35tr01b.c
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@@ -88,6 +88,12 @@ static int tfc_panel_resume(struct omap_dss_device *dssdev)
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return tfc_panel_enable(dssdev);
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}
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+static void tfc_panel_get_timings(struct omap_dss_device *dssdev,
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+ struct omap_video_timings *timings)
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+{
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+ *timings = dssdev->panel.timings;
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+}
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+
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static struct omap_dss_driver tfc_s9700_driver = {
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.probe = tfc_panel_probe,
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.remove = tfc_panel_remove,
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@@ -96,7 +102,7 @@ static struct omap_dss_driver tfc_s9700_driver = {
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.disable = tfc_panel_disable,
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.suspend = tfc_panel_suspend,
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.resume = tfc_panel_resume,
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-
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+ .get_timings = tfc_panel_get_timings,
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.driver = {
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.name = "tfc_s9700_panel",
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.owner = THIS_MODULE,
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--
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1.6.6.1
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@@ -9,7 +9,7 @@ COMPATIBLE_MACHINE = "(beagleboard)"
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SRCREV_pn-${PN} = "94ed5b4788a7cdbe68bc7cb8516972cbebdc8274"
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SRCREV_pn-${PN} = "94ed5b4788a7cdbe68bc7cb8516972cbebdc8274"
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# The main PR is now using MACHINE_KERNEL_PR, for omap3 see conf/machine/include/omap3.inc
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# The main PR is now using MACHINE_KERNEL_PR, for omap3 see conf/machine/include/omap3.inc
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MACHINE_KERNEL_PR_append = "m"
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MACHINE_KERNEL_PR_append = "n"
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FILESPATHPKG_prepend = "linux-3.0:"
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FILESPATHPKG_prepend = "linux-3.0:"
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@@ -215,6 +215,10 @@ SRC_URI += "git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-3.0.y.git
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file://sakoman/0014-rtc-twl-add-support-for-backup-battery-recharge.patch \
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file://sakoman/0014-rtc-twl-add-support-for-backup-battery-recharge.patch \
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\
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\
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file://sgx/0001-ARM-L2-Add-and-export-outer_clean_all.patch \
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file://sgx/0001-ARM-L2-Add-and-export-outer_clean_all.patch \
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\
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file://ulcd/0001-omap2-displays-Add-support-for-ThreeFiveCorp-S9700-D.patch \
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file://ulcd/0002-omap3-beagle-added-lcd-driver.patch \
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file://ulcd/0003-Make-fbset-show-correct-timing-values.patch \
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file://defconfig"
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file://defconfig"
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SRC_URI_append_beagleboard = " file://logo_linux_clut224.ppm \
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SRC_URI_append_beagleboard = " file://logo_linux_clut224.ppm \
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