1 files changed, 307 insertions, 21 deletions

diff --git a/arch/arm/mach-mx3/mx31ads.c b/arch/arm/mach-mx3/mx31ads.c
index f902a7c37c31..83e5e8e1276f 100644
--- a/arch/arm/mach-mx3/mx31ads.c
+++ b/arch/arm/mach-mx3/mx31ads.c
@@ -22,6 +22,8 @@
 #include <linux/init.h>
 #include <linux/clk.h>
 #include <linux/serial_8250.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
 #include <linux/irq.h>
 
 #include <mach/hardware.h>
@@ -35,6 +37,12 @@
 #include <mach/imx-uart.h>
 #include <mach/iomux-mx3.h>
 
+#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1
+#include <linux/mfd/wm8350/audio.h>
+#include <linux/mfd/wm8350/core.h>
+#include <linux/mfd/wm8350/pmic.h>
+#endif
+
 #include "devices.h"
 
 /*!
@@ -94,13 +102,16 @@ static struct imxuart_platform_data uart_pdata = {
         .flags = IMXUART_HAVE_RTSCTS,
 };
 
+static int uart_pins[] = {
+        MX31_PIN_CTS1__CTS1,
+        MX31_PIN_RTS1__RTS1,
+        MX31_PIN_TXD1__TXD1,
+        MX31_PIN_RXD1__RXD1
+};
+
 static inline void mxc_init_imx_uart(void)
 {
-        mxc_iomux_mode(MX31_PIN_CTS1__CTS1);
-        mxc_iomux_mode(MX31_PIN_RTS1__RTS1);
-        mxc_iomux_mode(MX31_PIN_TXD1__TXD1);
-        mxc_iomux_mode(MX31_PIN_RXD1__RXD1);
-
+        mxc_iomux_setup_multiple_pins(uart_pins, ARRAY_SIZE(uart_pins), "uart-0");
         mxc_register_device(&mxc_uart_device0, &uart_pdata);
 }
 #else /* !SERIAL_IMX */
@@ -176,7 +187,7 @@ static void __init mx31ads_init_expio(void)
         /*
          * Configure INT line as GPIO input
          */
-        mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO1_4, IOMUX_CONFIG_GPIO));
+        mxc_iomux_setup_pin(IOMUX_MODE(MX31_PIN_GPIO1_4, IOMUX_CONFIG_GPIO), "expio");
 
         /* disable the interrupt and clear the status */
         __raw_writew(0xFFFF, PBC_INTMASK_CLEAR_REG);
@@ -191,26 +202,301 @@ static void __init mx31ads_init_expio(void)
         set_irq_chained_handler(EXPIO_PARENT_INT, mx31ads_expio_irq_handler);
 }
 
+#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1
+/* This section defines setup for the Wolfson Microelectronics
+ * 1133-EV1 PMU/audio board.  When other PMU boards are supported the
+ * regulator definitions may be shared with them, but for now they can
+ * only be used with this board so would generate warnings about
+ * unused statics and some of the configuration is specific to this
+ * module.
+ */
+
+/* CPU */
+static struct regulator_consumer_supply sw1a_consumers[] = {
+        {
+                .supply = "cpu_vcc",
+        }
+};
+
+static struct regulator_init_data sw1a_data = {
+        .constraints = {
+                .name = "SW1A",
+                .min_uV = 1275000,
+                .max_uV = 1600000,
+                .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+                                  REGULATOR_CHANGE_MODE,
+                .valid_modes_mask = REGULATOR_MODE_NORMAL |
+                                    REGULATOR_MODE_FAST,
+                .state_mem = {
+                         .uV = 1400000,
+                         .mode = REGULATOR_MODE_NORMAL,
+                         .enabled = 1,
+                 },
+                .initial_state = PM_SUSPEND_MEM,
+                .always_on = 1,
+                .boot_on = 1,
+        },
+        .num_consumer_supplies = ARRAY_SIZE(sw1a_consumers),
+        .consumer_supplies = sw1a_consumers,
+};
+
+/* System IO - High */
+static struct regulator_init_data viohi_data = {
+        .constraints = {
+                .name = "VIOHO",
+                .min_uV = 2800000,
+                .max_uV = 2800000,
+                .state_mem = {
+                         .uV = 2800000,
+                         .mode = REGULATOR_MODE_NORMAL,
+                         .enabled = 1,
+                 },
+                .initial_state = PM_SUSPEND_MEM,
+                .always_on = 1,
+                .boot_on = 1,
+        },
+};
+
+/* System IO - Low */
+static struct regulator_init_data violo_data = {
+        .constraints = {
+                .name = "VIOLO",
+                .min_uV = 1800000,
+                .max_uV = 1800000,
+                .state_mem = {
+                         .uV = 1800000,
+                         .mode = REGULATOR_MODE_NORMAL,
+                         .enabled = 1,
+                 },
+                .initial_state = PM_SUSPEND_MEM,
+                .always_on = 1,
+                .boot_on = 1,
+        },
+};
+
+/* DDR RAM */
+static struct regulator_init_data sw2a_data = {
+        .constraints = {
+                .name = "SW2A",
+                .min_uV = 1800000,
+                .max_uV = 1800000,
+                .valid_modes_mask = REGULATOR_MODE_NORMAL,
+                .state_mem = {
+                         .uV = 1800000,
+                         .mode = REGULATOR_MODE_NORMAL,
+                         .enabled = 1,
+                 },
+                .state_disk = {
+                         .mode = REGULATOR_MODE_NORMAL,
+                         .enabled = 0,
+                 },
+                .always_on = 1,
+                .boot_on = 1,
+                .initial_state = PM_SUSPEND_MEM,
+        },
+};
+
+static struct regulator_init_data ldo1_data = {
+        .constraints = {
+                .name = "VCAM/VMMC1/VMMC2",
+                .min_uV = 2800000,
+                .max_uV = 2800000,
+                .valid_modes_mask = REGULATOR_MODE_NORMAL,
+                .apply_uV = 1,
+        },
+};
+
+static struct regulator_consumer_supply ldo2_consumers[] = {
+        {
+                .supply = "AVDD",
+        },
+        {
+                .supply = "HPVDD",
+        },
+};
+
+/* CODEC and SIM */
+static struct regulator_init_data ldo2_data = {
+        .constraints = {
+                .name = "VESIM/VSIM/AVDD",
+                .min_uV = 3300000,
+                .max_uV = 3300000,
+                .valid_modes_mask = REGULATOR_MODE_NORMAL,
+                .apply_uV = 1,
+        },
+        .num_consumer_supplies = ARRAY_SIZE(ldo2_consumers),
+        .consumer_supplies = ldo2_consumers,
+};
+
+/* General */
+static struct regulator_init_data vdig_data = {
+        .constraints = {
+                .name = "VDIG",
+                .min_uV = 1500000,
+                .max_uV = 1500000,
+                .valid_modes_mask = REGULATOR_MODE_NORMAL,
+                .apply_uV = 1,
+                .always_on = 1,
+                .boot_on = 1,
+        },
+};
+
+/* Tranceivers */
+static struct regulator_init_data ldo4_data = {
+        .constraints = {
+                .name = "VRF1/CVDD_2.775",
+                .min_uV = 2500000,
+                .max_uV = 2500000,
+                .valid_modes_mask = REGULATOR_MODE_NORMAL,
+                .apply_uV = 1,
+                .always_on = 1,
+                .boot_on = 1,
+        },
+};
+
+static struct wm8350_led_platform_data wm8350_led_data = {
+        .name            = "wm8350:white",
+        .default_trigger = "heartbeat",
+        .max_uA          = 27899,
+};
+
+static struct wm8350_audio_platform_data imx32ads_wm8350_setup = {
+        .vmid_discharge_msecs = 1000,
+        .drain_msecs = 30,
+        .cap_discharge_msecs = 700,
+        .vmid_charge_msecs = 700,
+        .vmid_s_curve = WM8350_S_CURVE_SLOW,
+        .dis_out4 = WM8350_DISCHARGE_SLOW,
+        .dis_out3 = WM8350_DISCHARGE_SLOW,
+        .dis_out2 = WM8350_DISCHARGE_SLOW,
+        .dis_out1 = WM8350_DISCHARGE_SLOW,
+        .vroi_out4 = WM8350_TIE_OFF_500R,
+        .vroi_out3 = WM8350_TIE_OFF_500R,
+        .vroi_out2 = WM8350_TIE_OFF_500R,
+        .vroi_out1 = WM8350_TIE_OFF_500R,
+        .vroi_enable = 0,
+        .codec_current_on = WM8350_CODEC_ISEL_1_0,
+        .codec_current_standby = WM8350_CODEC_ISEL_0_5,
+        .codec_current_charge = WM8350_CODEC_ISEL_1_5,
+};
+
+static int mx31_wm8350_init(struct wm8350 *wm8350)
+{
+        int i;
+
+        wm8350_gpio_config(wm8350, 0, WM8350_GPIO_DIR_IN,
+                           WM8350_GPIO0_PWR_ON_IN, WM8350_GPIO_ACTIVE_LOW,
+                           WM8350_GPIO_PULL_UP, WM8350_GPIO_INVERT_OFF,
+                           WM8350_GPIO_DEBOUNCE_ON);
+
+        wm8350_gpio_config(wm8350, 3, WM8350_GPIO_DIR_IN,
+                           WM8350_GPIO3_PWR_OFF_IN, WM8350_GPIO_ACTIVE_HIGH,
+                           WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF,
+                           WM8350_GPIO_DEBOUNCE_ON);
+
+        wm8350_gpio_config(wm8350, 4, WM8350_GPIO_DIR_IN,
+                           WM8350_GPIO4_MR_IN, WM8350_GPIO_ACTIVE_HIGH,
+                           WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF,
+                           WM8350_GPIO_DEBOUNCE_OFF);
+
+        wm8350_gpio_config(wm8350, 7, WM8350_GPIO_DIR_IN,
+                           WM8350_GPIO7_HIBERNATE_IN, WM8350_GPIO_ACTIVE_HIGH,
+                           WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF,
+                           WM8350_GPIO_DEBOUNCE_OFF);
+
+        wm8350_gpio_config(wm8350, 6, WM8350_GPIO_DIR_OUT,
+                           WM8350_GPIO6_SDOUT_OUT, WM8350_GPIO_ACTIVE_HIGH,
+                           WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF,
+                           WM8350_GPIO_DEBOUNCE_OFF);
+
+        wm8350_gpio_config(wm8350, 8, WM8350_GPIO_DIR_OUT,
+                           WM8350_GPIO8_VCC_FAULT_OUT, WM8350_GPIO_ACTIVE_LOW,
+                           WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF,
+                           WM8350_GPIO_DEBOUNCE_OFF);
+
+        wm8350_gpio_config(wm8350, 9, WM8350_GPIO_DIR_OUT,
+                           WM8350_GPIO9_BATT_FAULT_OUT, WM8350_GPIO_ACTIVE_LOW,
+                           WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF,
+                           WM8350_GPIO_DEBOUNCE_OFF);
+
+        /* Fix up for our own supplies. */
+        for (i = 0; i < ARRAY_SIZE(ldo2_consumers); i++)
+                ldo2_consumers[i].dev = wm8350->dev;
+
+        wm8350_register_regulator(wm8350, WM8350_DCDC_1, &sw1a_data);
+        wm8350_register_regulator(wm8350, WM8350_DCDC_3, &viohi_data);
+        wm8350_register_regulator(wm8350, WM8350_DCDC_4, &violo_data);
+        wm8350_register_regulator(wm8350, WM8350_DCDC_6, &sw2a_data);
+        wm8350_register_regulator(wm8350, WM8350_LDO_1, &ldo1_data);
+        wm8350_register_regulator(wm8350, WM8350_LDO_2, &ldo2_data);
+        wm8350_register_regulator(wm8350, WM8350_LDO_3, &vdig_data);
+        wm8350_register_regulator(wm8350, WM8350_LDO_4, &ldo4_data);
+
+        /* LEDs */
+        wm8350_dcdc_set_slot(wm8350, WM8350_DCDC_5, 1, 1,
+                             WM8350_DC5_ERRACT_SHUTDOWN_CONV);
+        wm8350_isink_set_flash(wm8350, WM8350_ISINK_A,
+                               WM8350_ISINK_FLASH_DISABLE,
+                               WM8350_ISINK_FLASH_TRIG_BIT,
+                               WM8350_ISINK_FLASH_DUR_32MS,
+                               WM8350_ISINK_FLASH_ON_INSTANT,
+                               WM8350_ISINK_FLASH_OFF_INSTANT,
+                               WM8350_ISINK_FLASH_MODE_EN);
+        wm8350_dcdc25_set_mode(wm8350, WM8350_DCDC_5,
+                               WM8350_ISINK_MODE_BOOST,
+                               WM8350_ISINK_ILIM_NORMAL,
+                               WM8350_DC5_RMP_20V,
+                               WM8350_DC5_FBSRC_ISINKA);
+        wm8350_register_led(wm8350, 0, WM8350_DCDC_5, WM8350_ISINK_A,
+                            &wm8350_led_data);
+
+        wm8350->codec.platform_data = &imx32ads_wm8350_setup;
+
+        return 0;
+}
+
+static struct wm8350_platform_data __initdata mx31_wm8350_pdata = {
+        .init = mx31_wm8350_init,
+};
+#endif
+
+#if defined(CONFIG_I2C_IMX) || defined(CONFIG_I2C_IMX_MODULE)
+static struct i2c_board_info __initdata mx31ads_i2c1_devices[] = {
+#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1
+        {
+                I2C_BOARD_INFO("wm8350", 0x1a),
+                .platform_data = &mx31_wm8350_pdata,
+                .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
+        },
+#endif
+};
+
+static void mxc_init_i2c(void)
+{
+        i2c_register_board_info(1, mx31ads_i2c1_devices,
+                                ARRAY_SIZE(mx31ads_i2c1_devices));
+
+        mxc_iomux_mode(IOMUX_MODE(MX31_PIN_CSPI2_MOSI, IOMUX_CONFIG_ALT1));
+        mxc_iomux_mode(IOMUX_MODE(MX31_PIN_CSPI2_MISO, IOMUX_CONFIG_ALT1));
+
+        mxc_register_device(&mxc_i2c_device1, NULL);
+}
+#else
+static void mxc_init_i2c(void)
+{
+}
+#endif
+
 /*!
  * This structure defines static mappings for the i.MX31ADS board.
  */
 static struct map_desc mx31ads_io_desc[] __initdata = {
         {
-                .virtual        = AIPS1_BASE_ADDR_VIRT,
-                .pfn            = __phys_to_pfn(AIPS1_BASE_ADDR),
-                .length         = AIPS1_SIZE,
-                .type           = MT_DEVICE_NONSHARED
-        }, {
                 .virtual        = SPBA0_BASE_ADDR_VIRT,
                 .pfn            = __phys_to_pfn(SPBA0_BASE_ADDR),
                 .length         = SPBA0_SIZE,
                 .type           = MT_DEVICE_NONSHARED
         }, {
-                .virtual        = AIPS2_BASE_ADDR_VIRT,
-                .pfn            = __phys_to_pfn(AIPS2_BASE_ADDR),
-                .length         = AIPS2_SIZE,
-                .type           = MT_DEVICE_NONSHARED
-        }, {
                 .virtual        = CS4_BASE_ADDR_VIRT,
                 .pfn            = __phys_to_pfn(CS4_BASE_ADDR),
                 .length         = CS4_SIZE / 2,
@@ -221,13 +507,13 @@ static struct map_desc mx31ads_io_desc[] __initdata = {
 /*!
  * Set up static virtual mappings.
  */
-void __init mx31ads_map_io(void)
+static void __init mx31ads_map_io(void)
 {
         mxc_map_io();
         iotable_init(mx31ads_io_desc, ARRAY_SIZE(mx31ads_io_desc));
 }
 
-void __init mx31ads_init_irq(void)
+static void __init mx31ads_init_irq(void)
 {
         mxc_init_irq();
         mx31ads_init_expio();
@@ -240,15 +526,15 @@ static void __init mxc_board_init(void)
 {
         mxc_init_extuart();
         mxc_init_imx_uart();
+        mxc_init_i2c();
 }
 
 static void __init mx31ads_timer_init(void)
 {
-        mxc_clocks_init(26000000);
-        mxc_timer_init("ipg_clk.0");
+        mx31_clocks_init(26000000);
 }
 
-struct sys_timer mx31ads_timer = {
+static struct sys_timer mx31ads_timer = {
         .init   = mx31ads_timer_init,
 };