[ARM] tegra: ventana: register tps6586x interrupts

configure the PMC interrupt polarity low, and register IRQ
numbers with the TPS6586X core and RTC

Change-Id: Iba08704bd1355ed00af3d9132118ce095c5118fe
Signed-off-by: Gary King <gking@nvidia.com>

diff --git a/arch/arm/mach-tegra/board-ventana-power.c b/arch/arm/mach-tegra/board-ventana-power.c
index 868b94faa5d1cd8e83613a5401b10f86cd4e56a0..c76710c8bdce36d57b10bb89406ffc2cc1c90b10 100644 (file)
--- a/arch/arm/mach-tegra/board-ventana-power.c
+++ b/arch/arm/mach-tegra/board-ventana-power.c
@@ -23,11 +23,19 @@
 #include <linux/mfd/tps6586x.h>
 #include <linux/gpio.h>
 #include <mach/suspend.h>
+#include <linux/io.h>
+
+#include <mach/iomap.h>
+#include <mach/irqs.h>
+
 #include "gpio-names.h"
 #include "power.h"
 #include "wakeups-t2.h"
 #include "board.h"
 
+#define PMC_CTRL               0x0
+ #define PMC_CTRL_INTR_LOW     (1 << 17)
+
 static int ac_ok               = TEGRA_GPIO_PV3;
 static int charge_disable      = TEGRA_GPIO_PR6;
 
@@ -185,6 +193,10 @@ static struct regulator_init_data ldo7_data = REGULATOR_INIT(ldo7, 1250, 3300);
 static struct regulator_init_data ldo8_data = REGULATOR_INIT(ldo8, 1250, 3300);
 static struct regulator_init_data ldo9_data = REGULATOR_INIT(ldo9, 1250, 3300);
 
+static struct tps6586x_rtc_platform_data rtc_data = {
+       .irq = TEGRA_NR_IRQS + TPS6586X_INT_RTC_ALM1,
+};
+
 #define TPS_REG(_id, _data)                    \
        {                                       \
                .id = TPS6586X_ID_##_id,        \
@@ -209,11 +221,12 @@ static struct tps6586x_subdev_info tps_devs[] = {
        {
                .id     = 0,
                .name   = "tps6586x-rtc",
-               .platform_data = NULL,
+               .platform_data = &rtc_data,
        },
 };
 
 static struct tps6586x_platform_data tps_platform = {
+       .irq_base = TEGRA_NR_IRQS,
        .num_subdevs = ARRAY_SIZE(tps_devs),
        .subdevs = tps_devs,
        .gpio_base = TEGRA_NR_GPIOS,
@@ -222,7 +235,8 @@ static struct tps6586x_platform_data tps_platform = {
 static struct i2c_board_info __initdata ventana_regulators[] = {
        {
                I2C_BOARD_INFO("tps6586x", 0x34),
-               .platform_data = &tps_platform,
+               .irq            = INT_EXTERNAL_PMU,
+               .platform_data  = &tps_platform,
        },
 };
 
@@ -243,6 +257,13 @@ static struct tegra_suspend_platform_data ventana_suspend_data = {
 
 int __init ventana_regulator_init(void)
 {
+       void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE);
+       u32 pmc_ctrl;
+
+       /* configure the power management controller to trigger PMU
+        * interrupts when low */
+       pmc_ctrl = readl(pmc + PMC_CTRL);
+       writel(pmc_ctrl | PMC_CTRL_INTR_LOW, pmc + PMC_CTRL);
        platform_device_register(&ventana_pda_power_device);
        i2c_register_board_info(4, ventana_regulators, 1);
        tegra_init_suspend(&ventana_suspend_data);