diff options
Diffstat (limited to 'recipes/linux/linux-omap-pm/dss2/0069-DSS2-OMAP3EVM-Added-DSI-powerup-and-powerdown-func.patch')
| -rw-r--r-- | recipes/linux/linux-omap-pm/dss2/0069-DSS2-OMAP3EVM-Added-DSI-powerup-and-powerdown-func.patch | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-pm/dss2/0069-DSS2-OMAP3EVM-Added-DSI-powerup-and-powerdown-func.patch b/recipes/linux/linux-omap-pm/dss2/0069-DSS2-OMAP3EVM-Added-DSI-powerup-and-powerdown-func.patch new file mode 100644 index 0000000000..c637c48602 --- /dev/null +++ b/recipes/linux/linux-omap-pm/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 + |