[PATCH RESEND 3/5] mfd: arizona: Add register bits for general purpose switch

Charles Keepax
2015-08-11T08:14:02Z

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-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.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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