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-rw-r--r--arch/arm/mach-davinci/board-da850-evm.c461
1 files changed, 388 insertions, 73 deletions
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index c759d72494e0..07de8db14581 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -12,36 +12,38 @@
* or implied.
*/
#include <linux/kernel.h>
-#include <linux/module.h>
#include <linux/init.h>
#include <linux/console.h>
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
+#include <linux/i2c/pca953x.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
+#include <linux/regulator/machine.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
-#include <mach/common.h>
-#include <mach/irqs.h>
#include <mach/cp_intc.h>
#include <mach/da8xx.h>
#include <mach/nand.h>
+#include <mach/mux.h>
#define DA850_EVM_PHY_MASK 0x1
#define DA850_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */
+#define DA850_LCD_PWR_PIN GPIO_TO_PIN(2, 8)
#define DA850_LCD_BL_PIN GPIO_TO_PIN(2, 15)
-#define DA850_LCD_PWR_PIN GPIO_TO_PIN(8, 10)
#define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0)
#define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1)
+#define DA850_MII_MDIO_CLKEN_PIN GPIO_TO_PIN(2, 6)
+
static struct mtd_partition da850_evm_norflash_partition[] = {
{
.name = "NOR filesystem",
@@ -143,10 +145,149 @@ static struct platform_device da850_evm_nandflash_device = {
.resource = da850_evm_nandflash_resource,
};
+static struct platform_device *da850_evm_devices[] __initdata = {
+ &da850_evm_nandflash_device,
+ &da850_evm_norflash_device,
+};
+
+#define DA8XX_AEMIF_CE2CFG_OFFSET 0x10
+#define DA8XX_AEMIF_ASIZE_16BIT 0x1
+
+static void __init da850_evm_init_nor(void)
+{
+ void __iomem *aemif_addr;
+
+ aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
+
+ /* Configure data bus width of CS2 to 16 bit */
+ writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
+ DA8XX_AEMIF_ASIZE_16BIT,
+ aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
+
+ iounmap(aemif_addr);
+}
+
+static u32 ui_card_detected;
+
+#if defined(CONFIG_MMC_DAVINCI) || \
+ defined(CONFIG_MMC_DAVINCI_MODULE)
+#define HAS_MMC 1
+#else
+#define HAS_MMC 0
+#endif
+
+static __init void da850_evm_setup_nor_nand(void)
+{
+ int ret = 0;
+
+ if (ui_card_detected & !HAS_MMC) {
+ ret = da8xx_pinmux_setup(da850_nand_pins);
+ if (ret)
+ pr_warning("da850_evm_init: nand mux setup failed: "
+ "%d\n", ret);
+
+ ret = da8xx_pinmux_setup(da850_nor_pins);
+ if (ret)
+ pr_warning("da850_evm_init: nor mux setup failed: %d\n",
+ ret);
+
+ da850_evm_init_nor();
+
+ platform_add_devices(da850_evm_devices,
+ ARRAY_SIZE(da850_evm_devices));
+ }
+}
+
+#ifdef CONFIG_DA850_UI_RMII
+static inline void da850_evm_setup_emac_rmii(int rmii_sel)
+{
+ struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+ soc_info->emac_pdata->rmii_en = 1;
+ gpio_set_value(rmii_sel, 0);
+}
+#else
+static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
+#endif
+
+static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
+ unsigned ngpio, void *c)
+{
+ int sel_a, sel_b, sel_c, ret;
+
+ sel_a = gpio + 7;
+ sel_b = gpio + 6;
+ sel_c = gpio + 5;
+
+ ret = gpio_request(sel_a, "sel_a");
+ if (ret) {
+ pr_warning("Cannot open UI expander pin %d\n", sel_a);
+ goto exp_setup_sela_fail;
+ }
+
+ ret = gpio_request(sel_b, "sel_b");
+ if (ret) {
+ pr_warning("Cannot open UI expander pin %d\n", sel_b);
+ goto exp_setup_selb_fail;
+ }
+
+ ret = gpio_request(sel_c, "sel_c");
+ if (ret) {
+ pr_warning("Cannot open UI expander pin %d\n", sel_c);
+ goto exp_setup_selc_fail;
+ }
+
+ /* deselect all functionalities */
+ gpio_direction_output(sel_a, 1);
+ gpio_direction_output(sel_b, 1);
+ gpio_direction_output(sel_c, 1);
+
+ ui_card_detected = 1;
+ pr_info("DA850/OMAP-L138 EVM UI card detected\n");
+
+ da850_evm_setup_nor_nand();
+
+ da850_evm_setup_emac_rmii(sel_a);
+
+ return 0;
+
+exp_setup_selc_fail:
+ gpio_free(sel_b);
+exp_setup_selb_fail:
+ gpio_free(sel_a);
+exp_setup_sela_fail:
+ return ret;
+}
+
+static int da850_evm_ui_expander_teardown(struct i2c_client *client,
+ unsigned gpio, unsigned ngpio, void *c)
+{
+ /* deselect all functionalities */
+ gpio_set_value(gpio + 5, 1);
+ gpio_set_value(gpio + 6, 1);
+ gpio_set_value(gpio + 7, 1);
+
+ gpio_free(gpio + 5);
+ gpio_free(gpio + 6);
+ gpio_free(gpio + 7);
+
+ return 0;
+}
+
+static struct pca953x_platform_data da850_evm_ui_expander_info = {
+ .gpio_base = DAVINCI_N_GPIO,
+ .setup = da850_evm_ui_expander_setup,
+ .teardown = da850_evm_ui_expander_teardown,
+};
+
static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
{
I2C_BOARD_INFO("tlv320aic3x", 0x18),
- }
+ },
+ {
+ I2C_BOARD_INFO("tca6416", 0x20),
+ .platform_data = &da850_evm_ui_expander_info,
+ },
};
static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
@@ -158,11 +299,6 @@ static struct davinci_uart_config da850_evm_uart_config __initdata = {
.enabled_uarts = 0x7,
};
-static struct platform_device *da850_evm_devices[] __initdata = {
- &da850_evm_nandflash_device,
- &da850_evm_norflash_device,
-};
-
/* davinci da850 evm audio machine driver */
static u8 da850_iis_serializer_direction[] = {
INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
@@ -198,9 +334,20 @@ static struct davinci_mmc_config da850_mmc_config = {
.get_ro = da850_evm_mmc_get_ro,
.get_cd = da850_evm_mmc_get_cd,
.wires = 4,
+ .max_freq = 50000000,
+ .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
.version = MMC_CTLR_VERSION_2,
};
+static void da850_panel_power_ctrl(int val)
+{
+ /* lcd backlight */
+ gpio_set_value(DA850_LCD_BL_PIN, val);
+
+ /* lcd power */
+ gpio_set_value(DA850_LCD_PWR_PIN, val);
+}
+
static int da850_lcd_hw_init(void)
{
int status;
@@ -218,71 +365,236 @@ static int da850_lcd_hw_init(void)
gpio_direction_output(DA850_LCD_BL_PIN, 0);
gpio_direction_output(DA850_LCD_PWR_PIN, 0);
- /* disable lcd backlight */
- gpio_set_value(DA850_LCD_BL_PIN, 0);
-
- /* disable lcd power */
- gpio_set_value(DA850_LCD_PWR_PIN, 0);
+ /* Switch off panel power and backlight */
+ da850_panel_power_ctrl(0);
- /* enable lcd power */
- gpio_set_value(DA850_LCD_PWR_PIN, 1);
-
- /* enable lcd backlight */
- gpio_set_value(DA850_LCD_BL_PIN, 1);
+ /* Switch on panel power and backlight */
+ da850_panel_power_ctrl(1);
return 0;
}
-#define DA8XX_AEMIF_CE2CFG_OFFSET 0x10
-#define DA8XX_AEMIF_ASIZE_16BIT 0x1
+/* TPS65070 voltage regulator support */
-static void __init da850_evm_init_nor(void)
-{
- void __iomem *aemif_addr;
+/* 3.3V */
+struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
+ {
+ .supply = "usb0_vdda33",
+ },
+ {
+ .supply = "usb1_vdda33",
+ },
+};
- aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
+/* 3.3V or 1.8V */
+struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
+ {
+ .supply = "dvdd3318_a",
+ },
+ {
+ .supply = "dvdd3318_b",
+ },
+ {
+ .supply = "dvdd3318_c",
+ },
+};
- /* Configure data bus width of CS2 to 16 bit */
- writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
- DA8XX_AEMIF_ASIZE_16BIT,
- aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
+/* 1.2V */
+struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
+ {
+ .supply = "cvdd",
+ },
+};
- iounmap(aemif_addr);
-}
+/* 1.8V LDO */
+struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
+ {
+ .supply = "sata_vddr",
+ },
+ {
+ .supply = "usb0_vdda18",
+ },
+ {
+ .supply = "usb1_vdda18",
+ },
+ {
+ .supply = "ddr_dvdd18",
+ },
+};
-#if defined(CONFIG_MTD_PHYSMAP) || \
- defined(CONFIG_MTD_PHYSMAP_MODULE)
-#define HAS_NOR 1
-#else
-#define HAS_NOR 0
-#endif
+/* 1.2V LDO */
+struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
+ {
+ .supply = "sata_vdd",
+ },
+ {
+ .supply = "pll0_vdda",
+ },
+ {
+ .supply = "pll1_vdda",
+ },
+ {
+ .supply = "usbs_cvdd",
+ },
+ {
+ .supply = "vddarnwa1",
+ },
+};
-#if defined(CONFIG_MMC_DAVINCI) || \
- defined(CONFIG_MMC_DAVINCI_MODULE)
-#define HAS_MMC 1
-#else
-#define HAS_MMC 0
-#endif
+struct regulator_init_data tps65070_regulator_data[] = {
+ /* dcdc1 */
+ {
+ .constraints = {
+ .min_uV = 3150000,
+ .max_uV = 3450000,
+ .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS),
+ .boot_on = 1,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
+ .consumer_supplies = tps65070_dcdc1_consumers,
+ },
-static __init void da850_evm_init(void)
+ /* dcdc2 */
+ {
+ .constraints = {
+ .min_uV = 1710000,
+ .max_uV = 3450000,
+ .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS),
+ .boot_on = 1,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
+ .consumer_supplies = tps65070_dcdc2_consumers,
+ },
+
+ /* dcdc3 */
+ {
+ .constraints = {
+ .min_uV = 950000,
+ .max_uV = 1320000,
+ .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS),
+ .boot_on = 1,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
+ .consumer_supplies = tps65070_dcdc3_consumers,
+ },
+
+ /* ldo1 */
+ {
+ .constraints = {
+ .min_uV = 1710000,
+ .max_uV = 1890000,
+ .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS),
+ .boot_on = 1,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
+ .consumer_supplies = tps65070_ldo1_consumers,
+ },
+
+ /* ldo2 */
+ {
+ .constraints = {
+ .min_uV = 1140000,
+ .max_uV = 1320000,
+ .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS),
+ .boot_on = 1,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
+ .consumer_supplies = tps65070_ldo2_consumers,
+ },
+};
+
+static struct i2c_board_info __initdata da850evm_tps65070_info[] = {
+ {
+ I2C_BOARD_INFO("tps6507x", 0x48),
+ .platform_data = &tps65070_regulator_data[0],
+ },
+};
+
+static int __init pmic_tps65070_init(void)
{
- struct davinci_soc_info *soc_info = &davinci_soc_info;
+ return i2c_register_board_info(1, da850evm_tps65070_info,
+ ARRAY_SIZE(da850evm_tps65070_info));
+}
+
+static const short da850_evm_lcdc_pins[] = {
+ DA850_GPIO2_8, DA850_GPIO2_15,
+ -1
+};
+
+static int __init da850_evm_config_emac(void)
+{
+ void __iomem *cfg_chip3_base;
int ret;
+ u32 val;
+ struct davinci_soc_info *soc_info = &davinci_soc_info;
+ u8 rmii_en = soc_info->emac_pdata->rmii_en;
+
+ if (!machine_is_davinci_da850_evm())
+ return 0;
+
+ cfg_chip3_base = DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP3_REG);
+
+ val = __raw_readl(cfg_chip3_base);
+
+ if (rmii_en) {
+ val |= BIT(8);
+ ret = da8xx_pinmux_setup(da850_rmii_pins);
+ pr_info("EMAC: RMII PHY configured, MII PHY will not be"
+ " functional\n");
+ } else {
+ val &= ~BIT(8);
+ ret = da8xx_pinmux_setup(da850_cpgmac_pins);
+ pr_info("EMAC: MII PHY configured, RMII PHY will not be"
+ " functional\n");
+ }
- ret = da8xx_pinmux_setup(da850_nand_pins);
if (ret)
- pr_warning("da850_evm_init: nand mux setup failed: %d\n",
+ pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
ret);
- ret = da8xx_pinmux_setup(da850_nor_pins);
+ /* configure the CFGCHIP3 register for RMII or MII */
+ __raw_writel(val, cfg_chip3_base);
+
+ ret = davinci_cfg_reg(DA850_GPIO2_6);
if (ret)
- pr_warning("da850_evm_init: nor mux setup failed: %d\n",
+ pr_warning("da850_evm_init:GPIO(2,6) mux setup "
+ "failed\n");
+
+ ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
+ if (ret) {
+ pr_warning("Cannot open GPIO %d\n",
+ DA850_MII_MDIO_CLKEN_PIN);
+ return ret;
+ }
+
+ /* Enable/Disable MII MDIO clock */
+ gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
+
+ soc_info->emac_pdata->phy_mask = DA850_EVM_PHY_MASK;
+ soc_info->emac_pdata->mdio_max_freq = DA850_EVM_MDIO_FREQUENCY;
+
+ ret = da8xx_register_emac();
+ if (ret)
+ pr_warning("da850_evm_init: emac registration failed: %d\n",
ret);
- da850_evm_init_nor();
+ return 0;
+}
+device_initcall(da850_evm_config_emac);
- platform_add_devices(da850_evm_devices,
- ARRAY_SIZE(da850_evm_devices));
+static __init void da850_evm_init(void)
+{
+ int ret;
+
+ ret = pmic_tps65070_init();
+ if (ret)
+ pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
+ ret);
ret = da8xx_register_edma();
if (ret)
@@ -299,19 +611,6 @@ static __init void da850_evm_init(void)
pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
ret);
- soc_info->emac_pdata->phy_mask = DA850_EVM_PHY_MASK;
- soc_info->emac_pdata->mdio_max_freq = DA850_EVM_MDIO_FREQUENCY;
- soc_info->emac_pdata->rmii_en = 0;
-
- ret = da8xx_pinmux_setup(da850_cpgmac_pins);
- if (ret)
- pr_warning("da850_evm_init: cpgmac mux setup failed: %d\n",
- ret);
-
- ret = da8xx_register_emac();
- if (ret)
- pr_warning("da850_evm_init: emac registration failed: %d\n",
- ret);
ret = da8xx_register_watchdog();
if (ret)
@@ -319,11 +618,6 @@ static __init void da850_evm_init(void)
ret);
if (HAS_MMC) {
- if (HAS_NOR)
- pr_warning("WARNING: both NOR Flash and MMC/SD are "
- "enabled, but they share AEMIF pins.\n"
- "\tDisable one of them.\n");
-
ret = da8xx_pinmux_setup(da850_mmcsd0_pins);
if (ret)
pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
@@ -365,22 +659,43 @@ static __init void da850_evm_init(void)
pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
ret);
- da8xx_init_mcasp(0, &da850_evm_snd_data);
+ da8xx_register_mcasp(0, &da850_evm_snd_data);
ret = da8xx_pinmux_setup(da850_lcdcntl_pins);
if (ret)
pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
ret);
+ /* Handle board specific muxing for LCD here */
+ ret = da8xx_pinmux_setup(da850_evm_lcdc_pins);
+ if (ret)
+ pr_warning("da850_evm_init: evm specific lcd mux setup "
+ "failed: %d\n", ret);
+
ret = da850_lcd_hw_init();
if (ret)
pr_warning("da850_evm_init: lcd initialization failed: %d\n",
ret);
- ret = da8xx_register_lcdc();
+ sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
+ ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
if (ret)
pr_warning("da850_evm_init: lcdc registration failed: %d\n",
ret);
+
+ ret = da8xx_register_rtc();
+ if (ret)
+ pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
+
+ ret = da850_register_cpufreq();
+ if (ret)
+ pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
+ ret);
+
+ ret = da8xx_register_cpuidle();
+ if (ret)
+ pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
+ ret);
}
#ifdef CONFIG_SERIAL_8250_CONSOLE
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-28 03:45:46 +0300