From 2d281b3252ffbe27bfee01aded6df47a9ea186fd Mon Sep 17 00:00:00 2001 From: Mateusz Zalega Date: Mon, 28 Apr 2014 21:13:30 +0200 Subject: arm: goni: dfu: Add support for DFU to Goni target Proper adjustment for supporting DFU at GONI target has been made. The s5p_goni.h file has been updated. Moreover the code for low level USB initialization has been added to GONI board code. The malloc pool has been enlarged in order to support larger buffer sizes needed by DFU implementation. Signed-off-by: Arkadiusz Wlodarczyk Signed-off-by: Kyungmin Park Signed-off-by: Mateusz Zalega Tested-by: Arkadiusz Wlodarczyk Tested-by: Mateusz Zalega Signed-off-by: Minkyu Kang --- board/samsung/goni/goni.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'board/samsung') diff --git a/board/samsung/goni/goni.c b/board/samsung/goni/goni.c index 4cea63b813..eb0f9bffae 100644 --- a/board/samsung/goni/goni.c +++ b/board/samsung/goni/goni.c @@ -14,6 +14,8 @@ #include #include #include +#include +#include DECLARE_GLOBAL_DATA_PTR; @@ -175,6 +177,12 @@ struct s3c_plat_otg_data s5pc110_otg_data = { .regs_otg = S5PC110_OTG_BASE, .usb_phy_ctrl = S5PC110_USB_PHY_CONTROL, }; + +int board_usb_init(int index, enum usb_init_type init) +{ + debug("USB_udc_probe\n"); + return s3c_udc_probe(&s5pc110_otg_data); +} #endif #ifdef CONFIG_MISC_INIT_R -- cgit v1.2.1 From 58209dfaced619a53581c4d66d9791ce8316e0d5 Mon Sep 17 00:00:00 2001 From: Jaehoon Chung Date: Fri, 16 May 2014 13:59:49 +0900 Subject: ARM: exynos: board: change the mmc/sd init sequence Exynos4 can be used the dwmmc controller for eMMC. Then it needs to check dwmmc_init() at first. Signed-off-by: Jaehoon Chung Reviewed-by: Lukasz Majewski Tested-by: Lukasz Majewski Acked-by: Lukasz Majewski Signed-off-by: Minkyu Kang --- board/samsung/common/board.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) (limited to 'board/samsung') diff --git a/board/samsung/common/board.c b/board/samsung/common/board.c index de154e0f64..9dc7c832e6 100644 --- a/board/samsung/common/board.c +++ b/board/samsung/common/board.c @@ -243,13 +243,6 @@ int board_eth_init(bd_t *bis) int board_mmc_init(bd_t *bis) { int ret; - -#ifdef CONFIG_SDHCI - /* mmc initializattion for available channels */ - ret = exynos_mmc_init(gd->fdt_blob); - if (ret) - debug("mmc init failed\n"); -#endif #ifdef CONFIG_DWMMC /* dwmmc initializattion for available channels */ ret = exynos_dwmmc_init(gd->fdt_blob); @@ -257,6 +250,12 @@ int board_mmc_init(bd_t *bis) debug("dwmmc init failed\n"); #endif +#ifdef CONFIG_SDHCI + /* mmc initializattion for available channels */ + ret = exynos_mmc_init(gd->fdt_blob); + if (ret) + debug("mmc init failed\n"); +#endif return ret; } #endif -- cgit v1.2.1 From 73e3bea9662a1433cec0627127700709d3f3aad2 Mon Sep 17 00:00:00 2001 From: Jaehoon Chung Date: Wed, 14 May 2014 19:44:15 +0900 Subject: ARM: exynos5420: removed undefined gpio structure It's removed the exynos5_gpio_part1. Signed-off-by: Jaehoon Chung Signed-off-by: Minkyu Kang --- board/samsung/smdk5420/smdk5420.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'board/samsung') diff --git a/board/samsung/smdk5420/smdk5420.c b/board/samsung/smdk5420/smdk5420.c index 9207522953..183c52248a 100644 --- a/board/samsung/smdk5420/smdk5420.c +++ b/board/samsung/smdk5420/smdk5420.c @@ -42,9 +42,6 @@ int exynos_init(void) #ifdef CONFIG_LCD void cfg_lcd_gpio(void) { - struct exynos5_gpio_part1 *gpio1 = - (struct exynos5_gpio_part1 *)samsung_get_base_gpio_part1(); - /* For Backlight */ gpio_cfg_pin(EXYNOS5420_GPIO_B20, S5P_GPIO_OUTPUT); gpio_set_value(EXYNOS5420_GPIO_B20, 1); -- cgit v1.2.1 From 2f7547ff27b684ddcee30e985a0dea3843449e0a Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 20 May 2014 06:01:33 -0600 Subject: exynos: Drop old smdk5250.c file This is not used by any boards now. Drop it to avoid confusion. Signed-off-by: Simon Glass Signed-off-by: Minkyu Kang --- board/samsung/smdk5250/Makefile | 4 - board/samsung/smdk5250/exynos5-dt.c | 125 +++++++++++++ board/samsung/smdk5250/smdk5250.c | 363 ------------------------------------ 3 files changed, 125 insertions(+), 367 deletions(-) delete mode 100644 board/samsung/smdk5250/smdk5250.c (limited to 'board/samsung') diff --git a/board/samsung/smdk5250/Makefile b/board/samsung/smdk5250/Makefile index 6a586553e1..3d96b077b4 100644 --- a/board/samsung/smdk5250/Makefile +++ b/board/samsung/smdk5250/Makefile @@ -7,9 +7,5 @@ obj-y += smdk5250_spl.o ifndef CONFIG_SPL_BUILD -ifdef CONFIG_OF_CONTROL obj-y += exynos5-dt.o -else -obj-y += smdk5250.o -endif endif diff --git a/board/samsung/smdk5250/exynos5-dt.c b/board/samsung/smdk5250/exynos5-dt.c index 58821c41a4..fbf5850811 100644 --- a/board/samsung/smdk5250/exynos5-dt.c +++ b/board/samsung/smdk5250/exynos5-dt.c @@ -41,6 +41,131 @@ int exynos_init(void) return 0; } +#if defined(CONFIG_POWER) +#ifdef CONFIG_POWER_MAX77686 +static int pmic_reg_update(struct pmic *p, int reg, uint regval) +{ + u32 val; + int ret = 0; + + ret = pmic_reg_read(p, reg, &val); + if (ret) { + debug("%s: PMIC %d register read failed\n", __func__, reg); + return -1; + } + val |= regval; + ret = pmic_reg_write(p, reg, val); + if (ret) { + debug("%s: PMIC %d register write failed\n", __func__, reg); + return -1; + } + return 0; +} + +static int max77686_init(void) +{ + struct pmic *p; + + if (pmic_init(I2C_PMIC)) + return -1; + + p = pmic_get("MAX77686_PMIC"); + if (!p) + return -ENODEV; + + if (pmic_probe(p)) + return -1; + + if (pmic_reg_update(p, MAX77686_REG_PMIC_32KHZ, MAX77686_32KHCP_EN)) + return -1; + + if (pmic_reg_update(p, MAX77686_REG_PMIC_BBAT, + MAX77686_BBCHOSTEN | MAX77686_BBCVS_3_5V)) + return -1; + + /* VDD_MIF */ + if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK1OUT, + MAX77686_BUCK1OUT_1V)) { + debug("%s: PMIC %d register write failed\n", __func__, + MAX77686_REG_PMIC_BUCK1OUT); + return -1; + } + + if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK1CRTL, + MAX77686_BUCK1CTRL_EN)) + return -1; + + /* VDD_ARM */ + if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK2DVS1, + MAX77686_BUCK2DVS1_1_3V)) { + debug("%s: PMIC %d register write failed\n", __func__, + MAX77686_REG_PMIC_BUCK2DVS1); + return -1; + } + + if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK2CTRL1, + MAX77686_BUCK2CTRL_ON)) + return -1; + + /* VDD_INT */ + if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK3DVS1, + MAX77686_BUCK3DVS1_1_0125V)) { + debug("%s: PMIC %d register write failed\n", __func__, + MAX77686_REG_PMIC_BUCK3DVS1); + return -1; + } + + if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK3CTRL, + MAX77686_BUCK3CTRL_ON)) + return -1; + + /* VDD_G3D */ + if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK4DVS1, + MAX77686_BUCK4DVS1_1_2V)) { + debug("%s: PMIC %d register write failed\n", __func__, + MAX77686_REG_PMIC_BUCK4DVS1); + return -1; + } + + if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK4CTRL1, + MAX77686_BUCK3CTRL_ON)) + return -1; + + /* VDD_LDO2 */ + if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO2CTRL1, + MAX77686_LD02CTRL1_1_5V | EN_LDO)) + return -1; + + /* VDD_LDO3 */ + if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO3CTRL1, + MAX77686_LD03CTRL1_1_8V | EN_LDO)) + return -1; + + /* VDD_LDO5 */ + if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO5CTRL1, + MAX77686_LD05CTRL1_1_8V | EN_LDO)) + return -1; + + /* VDD_LDO10 */ + if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO10CTRL1, + MAX77686_LD10CTRL1_1_8V | EN_LDO)) + return -1; + + return 0; +} +#endif /* CONFIG_POWER_MAX77686 */ + +int exynos_power_init(void) +{ + int ret = 0; + +#ifdef CONFIG_POWER_MAX77686 + ret = max77686_init(); +#endif + return ret; +} +#endif /* CONFIG_POWER */ + #ifdef CONFIG_LCD void exynos_cfg_lcd_gpio(void) { diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c deleted file mode 100644 index 014b7bdf89..0000000000 --- a/board/samsung/smdk5250/smdk5250.c +++ /dev/null @@ -1,363 +0,0 @@ -/* - * Copyright (C) 2012 Samsung Electronics - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -DECLARE_GLOBAL_DATA_PTR; - -#ifdef CONFIG_SOUND_MAX98095 -static void board_enable_audio_codec(void) -{ - /* Enable MAX98095 Codec */ - gpio_direction_output(EXYNOS5_GPIO_X17, 1); - gpio_set_pull(EXYNOS5_GPIO_X17, S5P_GPIO_PULL_NONE); -} -#endif - -int exynos_init(void) -{ -#ifdef CONFIG_SOUND_MAX98095 - board_enable_audio_codec(); -#endif - return 0; -} - -int board_eth_init(bd_t *bis) -{ -#ifdef CONFIG_SMC911X - u32 smc_bw_conf, smc_bc_conf; - struct fdt_sromc config; - fdt_addr_t base_addr; - - /* Non-FDT configuration - bank number and timing parameters*/ - config.bank = CONFIG_ENV_SROM_BANK; - config.width = 2; - - config.timing[FDT_SROM_TACS] = 0x01; - config.timing[FDT_SROM_TCOS] = 0x01; - config.timing[FDT_SROM_TACC] = 0x06; - config.timing[FDT_SROM_TCOH] = 0x01; - config.timing[FDT_SROM_TAH] = 0x0C; - config.timing[FDT_SROM_TACP] = 0x09; - config.timing[FDT_SROM_PMC] = 0x01; - base_addr = CONFIG_SMC911X_BASE; - - /* Ethernet needs data bus width of 16 bits */ - if (config.width != 2) { - debug("%s: Unsupported bus width %d\n", __func__, - config.width); - return -1; - } - smc_bw_conf = SROMC_DATA16_WIDTH(config.bank) - | SROMC_BYTE_ENABLE(config.bank); - - smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS]) |\ - SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) |\ - SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) |\ - SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) |\ - SROMC_BC_TAH(config.timing[FDT_SROM_TAH]) |\ - SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) |\ - SROMC_BC_PMC(config.timing[FDT_SROM_PMC]); - - /* Select and configure the SROMC bank */ - exynos_pinmux_config(PERIPH_ID_SROMC, config.bank); - s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf); - return smc911x_initialize(0, base_addr); -#endif - return 0; -} - -#ifdef CONFIG_DISPLAY_BOARDINFO -int checkboard(void) -{ - printf("\nBoard: SMDK5250\n"); - return 0; -} -#endif - -#ifdef CONFIG_GENERIC_MMC -int board_mmc_init(bd_t *bis) -{ - int err, ret = 0, index, bus_width; - u32 base; - - err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE); - if (err) - debug("SDMMC0 not configured\n"); - ret |= err; - - /*EMMC: dwmmc Channel-0 with 8 bit bus width */ - index = 0; - base = samsung_get_base_mmc() + (0x10000 * index); - bus_width = 8; - err = exynos_dwmci_add_port(index, base, bus_width, (u32)NULL); - if (err) - debug("dwmmc Channel-0 init failed\n"); - ret |= err; - - err = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE); - if (err) - debug("SDMMC2 not configured\n"); - ret |= err; - - /*SD: dwmmc Channel-2 with 4 bit bus width */ - index = 2; - base = samsung_get_base_mmc() + (0x10000 * index); - bus_width = 4; - err = exynos_dwmci_add_port(index, base, bus_width, (u32)NULL); - if (err) - debug("dwmmc Channel-2 init failed\n"); - ret |= err; - - return ret; -} -#endif - -void board_i2c_init(const void *blob) -{ - int i; - - for (i = 0; i < CONFIG_MAX_I2C_NUM; i++) { - exynos_pinmux_config((PERIPH_ID_I2C0 + i), - PINMUX_FLAG_NONE); - } -} - -#if defined(CONFIG_POWER) -#ifdef CONFIG_POWER_MAX77686 -static int pmic_reg_update(struct pmic *p, int reg, uint regval) -{ - u32 val; - int ret = 0; - - ret = pmic_reg_read(p, reg, &val); - if (ret) { - debug("%s: PMIC %d register read failed\n", __func__, reg); - return -1; - } - val |= regval; - ret = pmic_reg_write(p, reg, val); - if (ret) { - debug("%s: PMIC %d register write failed\n", __func__, reg); - return -1; - } - return 0; -} - -static int max77686_init(void) -{ - struct pmic *p; - - if (pmic_init(I2C_PMIC)) - return -1; - - p = pmic_get("MAX77686_PMIC"); - if (!p) - return -ENODEV; - - if (pmic_probe(p)) - return -1; - - if (pmic_reg_update(p, MAX77686_REG_PMIC_32KHZ, MAX77686_32KHCP_EN)) - return -1; - - if (pmic_reg_update(p, MAX77686_REG_PMIC_BBAT, - MAX77686_BBCHOSTEN | MAX77686_BBCVS_3_5V)) - return -1; - - /* VDD_MIF */ - if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK1OUT, - MAX77686_BUCK1OUT_1V)) { - debug("%s: PMIC %d register write failed\n", __func__, - MAX77686_REG_PMIC_BUCK1OUT); - return -1; - } - - if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK1CRTL, - MAX77686_BUCK1CTRL_EN)) - return -1; - - /* VDD_ARM */ - if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK2DVS1, - MAX77686_BUCK2DVS1_1_3V)) { - debug("%s: PMIC %d register write failed\n", __func__, - MAX77686_REG_PMIC_BUCK2DVS1); - return -1; - } - - if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK2CTRL1, - MAX77686_BUCK2CTRL_ON)) - return -1; - - /* VDD_INT */ - if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK3DVS1, - MAX77686_BUCK3DVS1_1_0125V)) { - debug("%s: PMIC %d register write failed\n", __func__, - MAX77686_REG_PMIC_BUCK3DVS1); - return -1; - } - - if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK3CTRL, - MAX77686_BUCK3CTRL_ON)) - return -1; - - /* VDD_G3D */ - if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK4DVS1, - MAX77686_BUCK4DVS1_1_2V)) { - debug("%s: PMIC %d register write failed\n", __func__, - MAX77686_REG_PMIC_BUCK4DVS1); - return -1; - } - - if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK4CTRL1, - MAX77686_BUCK3CTRL_ON)) - return -1; - - /* VDD_LDO2 */ - if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO2CTRL1, - MAX77686_LD02CTRL1_1_5V | EN_LDO)) - return -1; - - /* VDD_LDO3 */ - if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO3CTRL1, - MAX77686_LD03CTRL1_1_8V | EN_LDO)) - return -1; - - /* VDD_LDO5 */ - if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO5CTRL1, - MAX77686_LD05CTRL1_1_8V | EN_LDO)) - return -1; - - /* VDD_LDO10 */ - if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO10CTRL1, - MAX77686_LD10CTRL1_1_8V | EN_LDO)) - return -1; - - return 0; -} -#endif /* CONFIG_POWER_MAX77686 */ - -int exynos_power_init(void) -{ - int ret = 0; - -#ifdef CONFIG_POWER_MAX77686 - ret = max77686_init(); -#endif - return ret; -} -#endif /* CONFIG_POWER */ - -#ifdef CONFIG_LCD -void exynos_cfg_lcd_gpio(void) -{ - - /* For Backlight */ - gpio_cfg_pin(EXYNOS5_GPIO_B20, S5P_GPIO_OUTPUT); - gpio_set_value(EXYNOS5_GPIO_B20, 1); - - /* LCD power on */ - gpio_cfg_pin(EXYNOS5_GPIO_X15, S5P_GPIO_OUTPUT); - gpio_set_value(EXYNOS5_GPIO_X15, 1); - - /* Set Hotplug detect for DP */ - gpio_cfg_pin(EXYNOS5_GPIO_X07, S5P_GPIO_FUNC(0x3)); -} - -void exynos_set_dp_phy(unsigned int onoff) -{ - set_dp_phy_ctrl(onoff); -} - -vidinfo_t panel_info = { - .vl_freq = 60, - .vl_col = 2560, - .vl_row = 1600, - .vl_width = 2560, - .vl_height = 1600, - .vl_clkp = CONFIG_SYS_LOW, - .vl_hsp = CONFIG_SYS_LOW, - .vl_vsp = CONFIG_SYS_LOW, - .vl_dp = CONFIG_SYS_LOW, - .vl_bpix = 4, /* LCD_BPP = 2^4, for output conosle on LCD */ - - /* wDP panel timing infomation */ - .vl_hspw = 32, - .vl_hbpd = 80, - .vl_hfpd = 48, - - .vl_vspw = 6, - .vl_vbpd = 37, - .vl_vfpd = 3, - .vl_cmd_allow_len = 0xf, - - .win_id = 3, - .dual_lcd_enabled = 0, - - .init_delay = 0, - .power_on_delay = 0, - .reset_delay = 0, - .interface_mode = FIMD_RGB_INTERFACE, - .dp_enabled = 1, -}; - -static struct edp_device_info edp_info = { - .disp_info = { - .h_res = 2560, - .h_sync_width = 32, - .h_back_porch = 80, - .h_front_porch = 48, - .v_res = 1600, - .v_sync_width = 6, - .v_back_porch = 37, - .v_front_porch = 3, - .v_sync_rate = 60, - }, - .lt_info = { - .lt_status = DP_LT_NONE, - }, - .video_info = { - .master_mode = 0, - .bist_mode = DP_DISABLE, - .bist_pattern = NO_PATTERN, - .h_sync_polarity = 0, - .v_sync_polarity = 0, - .interlaced = 0, - .color_space = COLOR_RGB, - .dynamic_range = VESA, - .ycbcr_coeff = COLOR_YCBCR601, - .color_depth = COLOR_8, - }, -}; - -static struct exynos_dp_platform_data dp_platform_data = { - .edp_dev_info = &edp_info, -}; - -void init_panel_info(vidinfo_t *vid) -{ - vid->rgb_mode = MODE_RGB_P; - exynos_set_dp_platform_data(&dp_platform_data); -} -#endif -- cgit v1.2.1 From 0f2e739c99fde8cec8378f05907fb4f12ccdfbc0 Mon Sep 17 00:00:00 2001 From: Aaron Durbin Date: Tue, 20 May 2014 06:01:39 -0600 Subject: exynos5: support tps65090 pmic The TSP65090 is a PMIC on some exynos5 boards. The init function is called for the TPS65090 pmic. If that device is not a part of the device tree (returns -ENODEV) then continue. Otherwise return a failure. Signed-off-by: Aaron Durbin Signed-off-by: Simon Glass Reviewed-by: Simon Glass Signed-off-by: Minkyu Kang --- board/samsung/smdk5250/exynos5-dt.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'board/samsung') diff --git a/board/samsung/smdk5250/exynos5-dt.c b/board/samsung/smdk5250/exynos5-dt.c index fbf5850811..bce7583fd0 100644 --- a/board/samsung/smdk5250/exynos5-dt.c +++ b/board/samsung/smdk5250/exynos5-dt.c @@ -20,6 +20,7 @@ #include #include #include +#include #include DECLARE_GLOBAL_DATA_PTR; @@ -161,7 +162,19 @@ int exynos_power_init(void) #ifdef CONFIG_POWER_MAX77686 ret = max77686_init(); + if (ret) + return ret; #endif +#ifdef CONFIG_POWER_TPS65090 + /* + * The TPS65090 may not be in the device tree. If so, it is not + * an error. + */ + ret = tps65090_init(); + if (ret == 0 || ret == -ENODEV) + return 0; +#endif + return ret; } #endif /* CONFIG_POWER */ -- cgit v1.2.1 From a9cf6da925af92f70165d39afca06e4fbbfcf5a7 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 20 May 2014 06:01:42 -0600 Subject: exynos: Enable the LCD backlight for snow The backlight uses FETs on the TPS65090. Enable this so that the display is visible. Signed-off-by: Simon Glass Reviewed-by: Lukasz Majewski Signed-off-by: Minkyu Kang --- board/samsung/smdk5250/exynos5-dt.c | 100 +++++++++++++++++++++++++++++++++++- 1 file changed, 99 insertions(+), 1 deletion(-) (limited to 'board/samsung') diff --git a/board/samsung/smdk5250/exynos5-dt.c b/board/samsung/smdk5250/exynos5-dt.c index bce7583fd0..d6ce1337b9 100644 --- a/board/samsung/smdk5250/exynos5-dt.c +++ b/board/samsung/smdk5250/exynos5-dt.c @@ -11,9 +11,9 @@ #include #include #include +#include #include #include -#include #include #include #include @@ -180,6 +180,59 @@ int exynos_power_init(void) #endif /* CONFIG_POWER */ #ifdef CONFIG_LCD +static int board_dp_bridge_setup(void) +{ + const int max_tries = 10; + int num_tries, node; + + /* + * TODO(sjg): Use device tree for GPIOs when exynos GPIO + * numbering patch is in mainline. + */ + debug("%s\n", __func__); + node = fdtdec_next_compatible(gd->fdt_blob, 0, COMPAT_NXP_PTN3460); + if (node < 0) { + debug("%s: No node for DP bridge in device tree\n", __func__); + return -ENODEV; + } + + /* Setup the GPIOs */ + + /* PD is ACTIVE_LOW, and initially de-asserted */ + gpio_set_pull(EXYNOS5_GPIO_Y25, S5P_GPIO_PULL_NONE); + gpio_direction_output(EXYNOS5_GPIO_Y25, 1); + + /* Reset is ACTIVE_LOW */ + gpio_set_pull(EXYNOS5_GPIO_X15, S5P_GPIO_PULL_NONE); + gpio_direction_output(EXYNOS5_GPIO_X15, 0); + + udelay(10); + gpio_set_value(EXYNOS5_GPIO_X15, 1); + + gpio_direction_input(EXYNOS5_GPIO_X07); + + /* + * We need to wait for 90ms after bringing up the bridge since there + * is a phantom "high" on the HPD chip during its bootup. The phantom + * high comes within 7ms of de-asserting PD and persists for at least + * 15ms. The real high comes roughly 50ms after PD is de-asserted. The + * phantom high makes it hard for us to know when the NXP chip is up. + */ + mdelay(90); + + for (num_tries = 0; num_tries < max_tries; num_tries++) { + /* Check HPD. If it's high, we're all good. */ + if (gpio_get_value(EXYNOS5_GPIO_X07)) + return 0; + + debug("%s: eDP bridge failed to come up; try %d of %d\n", + __func__, num_tries, max_tries); + } + + /* Immediately go into bridge reset if the hp line is not high */ + return -ENODEV; +} + void exynos_cfg_lcd_gpio(void) { /* For Backlight */ @@ -198,4 +251,49 @@ void exynos_set_dp_phy(unsigned int onoff) { set_dp_phy_ctrl(onoff); } + +void exynos_backlight_on(unsigned int on) +{ + debug("%s(%u)\n", __func__, on); + + if (!on) + return; + +#ifdef CONFIG_POWER_TPS65090 + int ret; + + ret = tps65090_fet_enable(1); /* Enable FET1, backlight */ + if (ret) + return; + + /* T5 in the LCD timing spec (defined as > 10ms) */ + mdelay(10); + + /* board_dp_backlight_pwm */ + gpio_direction_output(EXYNOS5_GPIO_B20, 1); + + /* T6 in the LCD timing spec (defined as > 10ms) */ + mdelay(10); + + /* board_dp_backlight_en */ + gpio_direction_output(EXYNOS5_GPIO_X30, 1); +#endif +} + +void exynos_lcd_power_on(void) +{ + int ret; + + debug("%s\n", __func__); + +#ifdef CONFIG_POWER_TPS65090 + /* board_dp_lcd_vdd */ + tps65090_fet_enable(6); /* Enable FET6, lcd panel */ +#endif + + ret = board_dp_bridge_setup(); + if (ret && ret != -ENODEV) + printf("LCD bridge failed to enable: %d\n", ret); +} + #endif -- cgit v1.2.1