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Diffstat (limited to 'recipes/kexecboot/linux-kexecboot-2.6.29/dss2/0069-DSS2-OMAP3EVM-Added-DSI-powerup-and-powerdown-func.patch')
-rw-r--r--recipes/kexecboot/linux-kexecboot-2.6.29/dss2/0069-DSS2-OMAP3EVM-Added-DSI-powerup-and-powerdown-func.patch125
1 files changed, 125 insertions, 0 deletions
diff --git a/recipes/kexecboot/linux-kexecboot-2.6.29/dss2/0069-DSS2-OMAP3EVM-Added-DSI-powerup-and-powerdown-func.patch b/recipes/kexecboot/linux-kexecboot-2.6.29/dss2/0069-DSS2-OMAP3EVM-Added-DSI-powerup-and-powerdown-func.patch
new file mode 100644
index 0000000000..c637c48602
--- /dev/null
+++ b/recipes/kexecboot/linux-kexecboot-2.6.29/dss2/0069-DSS2-OMAP3EVM-Added-DSI-powerup-and-powerdown-func.patch
@@ -0,0 +1,125 @@
+From b06406f3e5c3958f69185314c969f7c1a3265f71 Mon Sep 17 00:00:00 2001
+From: Hardik Shah <hardik.shah@ti.com>
+Date: Thu, 14 May 2009 15:04:17 +0530
+Subject: [PATCH 69/69] DSS2: OMAP3EVM: Added DSI powerup and powerdown functions
+
+Copied fom 3430sdp implementation.
+
+Signed-off-by: Hardik Shah <hardik.shah@ti.com>
+---
+ arch/arm/mach-omap2/board-omap3evm.c | 62 +++++++++++++++++++++-------------
+ 1 files changed, 38 insertions(+), 24 deletions(-)
+
+diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
+index 6f5a866..57c4fc7 100644
+--- a/arch/arm/mach-omap2/board-omap3evm.c
++++ b/arch/arm/mach-omap2/board-omap3evm.c
+@@ -237,6 +237,38 @@ static int __init omap3_evm_i2c_init(void)
+ static int lcd_enabled;
+ static int dvi_enabled;
+
++static void enable_vpll2(int enable)
++{
++ u8 ded_val, grp_val;
++
++ if (enable) {
++ ded_val = ENABLE_VPLL2_DEDICATED;
++ grp_val = ENABLE_VPLL2_DEV_GRP;
++ } else {
++ ded_val = 0;
++ grp_val = 0;
++ }
++
++ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
++ ded_val, TWL4030_VPLL2_DEDICATED);
++ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
++ grp_val, TWL4030_VPLL2_DEV_GRP);
++}
++
++static int omap3evm_dsi_power_up(void)
++{
++ if (omap_rev() > OMAP3430_REV_ES1_0)
++ enable_vpll2(1);
++ return 0;
++}
++
++static void omap3evm_dsi_power_down(void)
++{
++ if (omap_rev() > OMAP3430_REV_ES1_0)
++ enable_vpll2(0);
++}
++
++
+ static void __init omap3_evm_display_init(void)
+ {
+ int r;
+@@ -306,12 +338,7 @@ static int omap3_evm_panel_enable_lcd(struct omap_display *display)
+ printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
+ return -EINVAL;
+ }
+- if (omap_rev() > OMAP3430_REV_ES1_0) {
+- twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+- ENABLE_VPLL2_DEDICATED, TWL4030_VPLL2_DEDICATED);
+- twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+- ENABLE_VPLL2_DEV_GRP, TWL4030_VPLL2_DEV_GRP);
+- }
++ omap3evm_dsi_power_up();
+ gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0);
+ lcd_enabled = 1;
+ return 0;
+@@ -319,12 +346,7 @@ static int omap3_evm_panel_enable_lcd(struct omap_display *display)
+
+ static void omap3_evm_panel_disable_lcd(struct omap_display *display)
+ {
+- if (omap_rev() > OMAP3430_REV_ES1_0) {
+- twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x0,
+- TWL4030_VPLL2_DEDICATED);
+- twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x0,
+- TWL4030_VPLL2_DEV_GRP);
+- }
++ omap3evm_dsi_power_down();
+ gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 1);
+ lcd_enabled = 0;
+ }
+@@ -370,13 +392,8 @@ static int omap3_evm_panel_enable_dvi(struct omap_display *display)
+ printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
+ return -EINVAL;
+ }
+- if (omap_rev() > OMAP3430_REV_ES1_0) {
+- twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+- ENABLE_VPLL2_DEDICATED, TWL4030_VPLL2_DEDICATED);
+- twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+- ENABLE_VPLL2_DEV_GRP, TWL4030_VPLL2_DEV_GRP);
+- }
+
++ omap3evm_dsi_power_up();
+ twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0x80,
+ TWL4030_GPIODATA_IN3);
+ twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0x80,
+@@ -388,13 +405,8 @@ static int omap3_evm_panel_enable_dvi(struct omap_display *display)
+
+ static void omap3_evm_panel_disable_dvi(struct omap_display *display)
+ {
+- if (omap_rev() > OMAP3430_REV_ES1_0) {
+- twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x0,
+- TWL4030_VPLL2_DEDICATED);
+- twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x0,
+- TWL4030_VPLL2_DEV_GRP);
+- }
+
++ omap3evm_dsi_power_down();
+ twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0x00,
+ TWL4030_GPIODATA_IN3);
+ twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0x00,
+@@ -413,6 +425,8 @@ static struct omap_dss_display_config omap3_evm_display_data_dvi = {
+ };
+
+ static struct omap_dss_board_info omap3_evm_dss_data = {
++ .dsi_power_up = omap3evm_dsi_power_up,
++ .dsi_power_down = omap3evm_dsi_power_down,
+ .num_displays = 3,
+ .displays = {
+ &omap3_evm_display_data,
+--
+1.6.2.4
+