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Subject[PATCH RESEND 3/5] mfd: arizona: Add register bits for general purpose switch
Date
The switch is typically used in conjunction with the MICDET clamp in
order to suppress pops and clicks associated with jack insertion.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
---
drivers/mfd/wm5110-tables.c | 2 ++
include/linux/mfd/arizona/pdata.h | 3 +++
include/linux/mfd/arizona/registers.h | 8 ++++++++
3 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
index dd27872..acb3bb2 100644
--- a/drivers/mfd/wm5110-tables.c
+++ b/drivers/mfd/wm5110-tables.c
@@ -1472,6 +1472,7 @@ static const struct reg_default wm5110_reg_default[] = {
{ 0x00000C04, 0xA101 }, /* R3076 - GPIO5 CTRL */
{ 0x00000C0F, 0x0400 }, /* R3087 - IRQ CTRL 1 */
{ 0x00000C10, 0x1000 }, /* R3088 - GPIO Debounce Config */
+ { 0x00000C18, 0x0000 }, /* R3096 - GP Switch 1 */
{ 0x00000C20, 0x8002 }, /* R3104 - Misc Pad Ctrl 1 */
{ 0x00000C21, 0x8001 }, /* R3105 - Misc Pad Ctrl 2 */
{ 0x00000C22, 0x0000 }, /* R3106 - Misc Pad Ctrl 3 */
@@ -2524,6 +2525,7 @@ static bool wm5110_readable_register(struct device *dev, unsigned int reg)
case ARIZONA_GPIO5_CTRL:
case ARIZONA_IRQ_CTRL_1:
case ARIZONA_GPIO_DEBOUNCE_CONFIG:
+ case ARIZONA_GP_SWITCH_1:
case ARIZONA_MISC_PAD_CTRL_1:
case ARIZONA_MISC_PAD_CTRL_2:
case ARIZONA_MISC_PAD_CTRL_3:
diff --git a/include/linux/mfd/arizona/pdata.h b/include/linux/mfd/arizona/pdata.h
index f030a32..e76577b 100644
--- a/include/linux/mfd/arizona/pdata.h
+++ b/include/linux/mfd/arizona/pdata.h
@@ -182,6 +182,9 @@ struct arizona_pdata {

/** GPIO for primary IRQ (used for edge triggered emulation) */
int irq_gpio;
+
+ /** General purpose switch control */
+ unsigned int gpsw;
};

#endif
diff --git a/include/linux/mfd/arizona/registers.h b/include/linux/mfd/arizona/registers.h
index 3f3bb2b..e96644c 100644
--- a/include/linux/mfd/arizona/registers.h
+++ b/include/linux/mfd/arizona/registers.h
@@ -869,6 +869,7 @@
#define ARIZONA_GPIO5_CTRL 0xC04
#define ARIZONA_IRQ_CTRL_1 0xC0F
#define ARIZONA_GPIO_DEBOUNCE_CONFIG 0xC10
+#define ARIZONA_GP_SWITCH_1 0xC18
#define ARIZONA_MISC_PAD_CTRL_1 0xC20
#define ARIZONA_MISC_PAD_CTRL_2 0xC21
#define ARIZONA_MISC_PAD_CTRL_3 0xC22
@@ -4573,6 +4574,13 @@
#define ARIZONA_GP_DBTIME_WIDTH 4 /* GP_DBTIME - [15:12] */

/*
+ * R3096 (0xC18) - GP Switch 1
+ */
+#define ARIZONA_SW1_MODE_MASK 0x0003 /* SW1_MODE - [1:0] */
+#define ARIZONA_SW1_MODE_SHIFT 0 /* SW1_MODE - [1:0] */
+#define ARIZONA_SW1_MODE_WIDTH 2 /* SW1_MODE - [1:0] */
+
+/*
* R3104 (0xC20) - Misc Pad Ctrl 1
*/
#define ARIZONA_LDO1ENA_PD 0x8000 /* LDO1ENA_PD */
--
1.7.2.5


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