[ARM] SMDK6410: Support WM1190-EV1 PMIC board

The SMDK6410 supports pluggable PMIC boards. One such board is the
Wolfson Microelectronics 1190-EV1 for the WM8350 PMICs. This patch
introduces initial support for this module. Further patches will
add additional integration with the system as support for the
S3C6410 and other devices on the system improves.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

diff --git a/arch/arm/mach-s3c6410/Kconfig b/arch/arm/mach-s3c6410/Kconfig
index 1d50100700273685182d9f987a48ff794b6ebc57..ffa4974efddf71c4751f8ed90945340bd2cb3ecd 100644 (file)
--- a/arch/arm/mach-s3c6410/Kconfig
+++ b/arch/arm/mach-s3c6410/Kconfig
@@ -60,3 +60,20 @@ config SMDK6410_SD_CH1
          channels 0 and 1 are the same.
 
 endchoice
+
+config SMDK6410_WM1190_EV1
+       bool "Support Wolfson Microelectronics 1190-EV1 PMIC card"
+       depends on MACH_SMDK6410
+       select REGULATOR
+       select REGULATOR_WM8350
+       select MFD_WM8350_I2C
+       select MFD_WM8350_CONFIG_MODE_0
+       select MFD_WM8350_CONFIG_MODE_3
+       select MFD_WM8352_CONFIG_MODE_0
+       help
+         The Wolfson Microelectronics 1190-EV1 is a WM835x based PMIC
+         and audio daughtercard for the Samsung SMDK6410 reference
+         platform.  Enabling this option will build support for this
+         module into the kernel.  The presence of the module will be
+         detected at runtime so the the resulting kernel can be used
+         with or without the 1190-EV1 fitted.

diff --git a/arch/arm/mach-s3c6410/mach-smdk6410.c b/arch/arm/mach-s3c6410/mach-smdk6410.c
index dfd84d00f8d0fa34ab54a17a80362a9ea0c89fb3..466dee0954f46882bfc025fe1e959ccca0663437 100644 (file)
--- a/arch/arm/mach-s3c6410/mach-smdk6410.c
+++ b/arch/arm/mach-s3c6410/mach-smdk6410.c
@@ -26,6 +26,11 @@
 #include <linux/delay.h>
 #include <linux/smsc911x.h>
 
+#ifdef CONFIG_SMDK6410_WM1190_EV1
+#include <linux/mfd/wm8350/core.h>
+#include <linux/mfd/wm8350/pmic.h>
+#endif
+
 #include <video/platform_lcd.h>
 
 #include <asm/mach/arch.h>
@@ -182,9 +187,135 @@ static struct platform_device *smdk6410_devices[] __initdata = {
        &smdk6410_smsc911x,
 };
 
+#ifdef CONFIG_SMDK6410_WM1190_EV1
+/* S3C64xx internal logic & PLL */
+static struct regulator_init_data wm8350_dcdc1_data = {
+       .constraints = {
+               .name = "PVDD_INT/PVDD_PLL",
+               .min_uV = 1200000,
+               .max_uV = 1200000,
+               .always_on = 1,
+               .apply_uV = 1,
+       },
+};
+
+/* Memory */
+static struct regulator_init_data wm8350_dcdc3_data = {
+       .constraints = {
+               .name = "PVDD_MEM",
+               .min_uV = 1800000,
+               .max_uV = 1800000,
+               .always_on = 1,
+               .state_mem = {
+                        .uV = 1800000,
+                        .mode = REGULATOR_MODE_NORMAL,
+                        .enabled = 1,
+                },
+               .initial_state = PM_SUSPEND_MEM,
+       },
+};
+
+/* USB, EXT, PCM, ADC/DAC, USB, MMC */
+static struct regulator_init_data wm8350_dcdc4_data = {
+       .constraints = {
+               .name = "PVDD_HI/PVDD_EXT/PVDD_SYS/PVCCM2MTV",
+               .min_uV = 3000000,
+               .max_uV = 3000000,
+               .always_on = 1,
+       },
+};
+
+/* ARM core */
+static struct regulator_init_data wm8350_dcdc6_data = {
+       .constraints = {
+               .name = "PVDD_ARM",
+               .min_uV = 1000000,
+               .max_uV = 1300000,
+               .always_on = 1,
+       },
+};
+
+/* Alive */
+static struct regulator_init_data wm8350_ldo1_data = {
+       .constraints = {
+               .name = "PVDD_ALIVE",
+               .min_uV = 1200000,
+               .max_uV = 1200000,
+               .always_on = 1,
+               .apply_uV = 1,
+       },
+};
+
+/* OTG */
+static struct regulator_init_data wm8350_ldo2_data = {
+       .constraints = {
+               .name = "PVDD_OTG",
+               .min_uV = 3300000,
+               .max_uV = 3300000,
+       },
+};
+
+/* LCD */
+static struct regulator_init_data wm8350_ldo3_data = {
+       .constraints = {
+               .name = "PVDD_LCD",
+               .min_uV = 3000000,
+               .max_uV = 3000000,
+       },
+};
+
+/* OTGi/1190-EV1 HPVDD & AVDD */
+static struct regulator_init_data wm8350_ldo4_data = {
+       .constraints = {
+               .name = "PVDD_OTGI/HPVDD/AVDD",
+               .min_uV = 1200000,
+               .max_uV = 1200000,
+               .apply_uV = 1,
+       },
+};
+
+static struct {
+       int regulator;
+       struct regulator_init_data *initdata;
+} wm1190_regulators[] = {
+       { WM8350_DCDC_1, &wm8350_dcdc1_data },
+       { WM8350_DCDC_3, &wm8350_dcdc3_data },
+       { WM8350_DCDC_4, &wm8350_dcdc4_data },
+       { WM8350_DCDC_6, &wm8350_dcdc6_data },
+       { WM8350_LDO_1, &wm8350_ldo1_data },
+       { WM8350_LDO_2, &wm8350_ldo2_data },
+       { WM8350_LDO_3, &wm8350_ldo3_data },
+       { WM8350_LDO_4, &wm8350_ldo4_data },
+};
+
+static int __init smdk6410_wm8350_init(struct wm8350 *wm8350)
+{
+       int i;
+
+       /* Instantiate the regulators */
+       for (i = 0; i < ARRAY_SIZE(wm1190_regulators); i++)
+               wm8350_register_regulator(wm8350,
+                                         wm1190_regulators[i].regulator,
+                                         wm1190_regulators[i].initdata);
+
+       return 0;
+}
+
+static struct wm8350_platform_data __initdata smdk6410_wm8350_pdata = {
+       .init = smdk6410_wm8350_init,
+};
+#endif
+
 static struct i2c_board_info i2c_devs0[] __initdata = {
        { I2C_BOARD_INFO("24c08", 0x50), },
        { I2C_BOARD_INFO("wm8580", 0x1b), },
+
+#ifdef CONFIG_SMDK6410_WM1190_EV1
+       { I2C_BOARD_INFO("wm8350", 0x1a),
+         .platform_data = &smdk6410_wm8350_pdata,
+         .irq = S3C_EINT(12),
+       },
+#endif
 };
 
 static struct i2c_board_info i2c_devs1[] __initdata = {