From: "Ying-Chun Liu (PaulLiu)" <paul....@linaro.org>
Add DA9052 PMIC support for Freescale QuickStart Loco board.
The model of PMIC on QuickStart Loco board is "da9053-aa".
Signed-off-by: Ying-Chun Liu (PaulLiu) <paul....@linaro.org>
Cc: Amit Kucheria <amit.kuche...@canonical.com>
Cc: Sascha Hauer <ker...@pengutronix.de>
---
arch/arm/mach-mx5/board-mx53_loco.c | 128 +++++++++++++++++++++++++++++++++
arch/arm/plat-mxc/include/mach/irqs.h | 10 +++-
2 files changed, 137 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-mx5/board-mx53_loco.c
b/arch/arm/mach-mx5/board-mx53_loco.c
index fd8b524..61dd8c9 100644
--- a/arch/arm/mach-mx5/board-mx53_loco.c
+++ b/arch/arm/mach-mx5/board-mx53_loco.c
@@ -23,10 +23,21 @@
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/err.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+#include <linux/mfd/da9052/da9052.h>
+#include <linux/mfd/da9052/pdata.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/iomux-mx53.h>
+#include <mach/irqs.h>
+#include <mach/gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -45,6 +56,32 @@
#define LOCO_SD1_CD IMX_GPIO_NR(3, 13)
#define LOCO_ACCEL_EN IMX_GPIO_NR(6, 14)
+#define DA9052_LDO1_VOLT_UPPER 1800
+#define DA9052_LDO1_VOLT_LOWER 600
+#define DA9052_LDO1_VOLT_STEP 50
+#define DA9052_LDO2_VOLT_UPPER 1800
+#define DA9052_LDO2_VOLT_LOWER 600
+#define DA9052_LDO2_VOLT_STEP 25
+#define DA9052_LDO34_VOLT_UPPER 3300
+#define DA9052_LDO34_VOLT_LOWER 1725
+#define DA9052_LDO34_VOLT_STEP 25
+#define DA9052_LDO567810_VOLT_UPPER 3600
+#define DA9052_LDO567810_VOLT_LOWER 1200
+#define DA9052_LDO567810_VOLT_STEP 50
+#define DA9052_LDO9_VOLT_STEP 50
+#define DA9052_LDO9_VOLT_LOWER 1250
+#define DA9052_LDO9_VOLT_UPPER 3650
+/* Buck Config Validation Macros */
+#define DA9052_BUCK_CORE_PRO_VOLT_UPPER 2075
+#define DA9052_BUCK_CORE_PRO_VOLT_LOWER 500
+#define DA9052_BUCK_CORE_PRO_STEP 25
+#define DA9052_BUCK_MEM_VOLT_UPPER 2500
+#define DA9052_BUCK_MEM_VOLT_LOWER 925
+#define DA9052_BUCK_MEM_STEP 25
+#define DA9052_BUCK_PERI_VOLT_UPPER 2500
+#define DA9052_BUCK_PERI_VOLT_LOWER 925
+#define DA9052_BUCK_PERI_STEP 25
+
static iomux_v3_cfg_t mx53_loco_pads[] = {
/* FEC */
MX53_PAD_FEC_MDC__FEC_MDC,
@@ -227,6 +264,93 @@ static const struct esdhc_platform_data mx53_loco_sd3_data
__initconst = {
.wp_type = ESDHC_WP_GPIO,
};
+#define DA9052_LDO(max, min, rname, suspend_mv) \
+{\
+ .constraints = {\
+ .name = (rname), \
+ .max_uV = (max) * 1000,\
+ .min_uV = (min) * 1000,\
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE\
+ |REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_MODE,\
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,\
+ .state_mem = { \
+ .uV = suspend_mv * 1000, \
+ .mode = REGULATOR_MODE_NORMAL, \
+ .enabled = (0 == suspend_mv) ? 0 : 1, \
+ .disabled = 0, \
+ }, \
+ },\
+}
+
+/* currently the suspend_mv here takes no effects for DA9053
+preset-voltage have to be done in the latest stage during
+suspend*/
+static struct regulator_init_data da9052_regulators_init[] = {
+ /* BUCKS */
+ DA9052_LDO(DA9052_BUCK_CORE_PRO_VOLT_UPPER,
+ DA9052_BUCK_CORE_PRO_VOLT_LOWER, "DA9052_BUCK_CORE", 850),
+ DA9052_LDO(DA9052_BUCK_CORE_PRO_VOLT_UPPER,
+ DA9052_BUCK_CORE_PRO_VOLT_LOWER, "DA9052_BUCK_PRO", 950),
+ DA9052_LDO(DA9052_BUCK_MEM_VOLT_UPPER,
+ DA9052_BUCK_MEM_VOLT_LOWER, "DA9052_BUCK_MEM", 1500),
+ DA9052_LDO(DA9052_BUCK_PERI_VOLT_UPPER,
+ DA9052_BUCK_PERI_VOLT_LOWER, "DA9052_BUCK_PERI", 2500),
+ DA9052_LDO(DA9052_LDO1_VOLT_UPPER,
+ DA9052_LDO1_VOLT_LOWER, "DA9052_LDO1", 1300),
+ DA9052_LDO(DA9052_LDO2_VOLT_UPPER,
+ DA9052_LDO2_VOLT_LOWER, "DA9052_LDO2", 1300),
+ DA9052_LDO(DA9052_LDO34_VOLT_UPPER,
+ DA9052_LDO34_VOLT_LOWER, "DA9052_LDO3", 3300),
+ DA9052_LDO(DA9052_LDO34_VOLT_UPPER,
+ DA9052_LDO34_VOLT_LOWER, "DA9052_LDO4", 2775),
+ DA9052_LDO(DA9052_LDO567810_VOLT_UPPER,
+ DA9052_LDO567810_VOLT_LOWER, "DA9052_LDO5", 1300),
+ DA9052_LDO(DA9052_LDO567810_VOLT_UPPER,
+ DA9052_LDO567810_VOLT_LOWER, "DA9052_LDO6", 1200),
+ DA9052_LDO(DA9052_LDO567810_VOLT_UPPER,
+ DA9052_LDO567810_VOLT_LOWER, "DA9052_LDO7", 2750),
+ DA9052_LDO(DA9052_LDO567810_VOLT_UPPER,
+ DA9052_LDO567810_VOLT_LOWER, "DA9052_LDO8", 1800),
+ DA9052_LDO(DA9052_LDO9_VOLT_UPPER,
+ DA9052_LDO9_VOLT_LOWER, "DA9052_LDO9", 2500),
+ DA9052_LDO(DA9052_LDO567810_VOLT_UPPER,
+ DA9052_LDO567810_VOLT_LOWER, "DA9052_LDO10", 1200),
+};
+
+#define MX53_LOCO_DA9052_IRQ (6*32 + 11) /* GPIO7_11 */
+
+static int __init loco_da9052_init(struct da9052 *da9052)
+{
+ /* Configuring for DA9052 interrupt servce */
+ /* s3c_gpio_setpull(DA9052_IRQ_PIN, S3C_GPIO_PULL_UP); */
+
+ /* Set interrupt as LOW LEVEL interrupt source */
+ irq_set_irq_type(gpio_to_irq(MX53_LOCO_DA9052_IRQ),
+ IRQF_TRIGGER_LOW);
+ return 0;
+}
+
+static struct da9052_pdata __initdata da9052_plat = {
+ .init = loco_da9052_init,
+ .irq_base = MXC_PMIC_IRQ_START,
+ .regulators = {
+ &da9052_regulators_init[0],
+ &da9052_regulators_init[1],
+ &da9052_regulators_init[2],
+ &da9052_regulators_init[3],
+ &da9052_regulators_init[4],
+ &da9052_regulators_init[5],
+ &da9052_regulators_init[6],
+ &da9052_regulators_init[7],
+ &da9052_regulators_init[8],
+ &da9052_regulators_init[9],
+ &da9052_regulators_init[10],
+ &da9052_regulators_init[11],
+ &da9052_regulators_init[12],
+ &da9052_regulators_init[13],
+ },
+};
+
static inline void mx53_loco_fec_reset(void)
{
int ret;
@@ -273,6 +397,10 @@ static struct i2c_board_info mx53loco_i2c_devices[] = {
{
I2C_BOARD_INFO("mma8450", 0x1C),
},
+ {
+ I2C_BOARD_INFO("da9053-aa", 0x90 >> 1),
+ .platform_data = &da9052_plat,
+ },
};
static void __init mx53_loco_board_init(void)
diff --git a/arch/arm/plat-mxc/include/mach/irqs.h
b/arch/arm/plat-mxc/include/mach/irqs.h
index fd9efb0..9fb56eb 100644
--- a/arch/arm/plat-mxc/include/mach/irqs.h
+++ b/arch/arm/plat-mxc/include/mach/irqs.h
@@ -53,7 +53,15 @@
#endif
/* REVISIT: Add IPU irqs on IMX51 */
-#define NR_IRQS (MXC_IPU_IRQ_START + MX3_IPU_IRQS)
+#define MXC_PMIC_IRQ_START (MXC_IPU_IRQ_START + MX3_IPU_IRQS)
+
+#ifdef CONFIG_MACH_MX53_LOCO
+#define MXC_PMIC_IRQS 32
+#else
+#define MXC_PMIC_IRQS 0
+#endif
+
+#define NR_IRQS (MXC_PMIC_IRQ_START + MXC_PMIC_IRQS)
extern int imx_irq_set_priority(unsigned char irq, unsigned char prio);
--
1.7.8.3
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