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authorLinus Walleij <linus.walleij@linaro.org>2014-11-03 16:48:47 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2014-12-15 21:46:11 -0800
commit80e1dd82be59d247e899d8ce29389f84ed828994 (patch)
tree5754ee7c8d3256305a5e53084e96efb056349918 /drivers/mfd
parentbaf332c0f1cede26e9c2af6276b36b4c3a36e34a (diff)
downloadop-kernel-dev-80e1dd82be59d247e899d8ce29389f84ed828994.zip
op-kernel-dev-80e1dd82be59d247e899d8ce29389f84ed828994.tar.gz
mfd: stmpe: add pull up/down register offsets for STMPE
This adds the register offsets for pull up/down for the STMPE 1601, 1801 and 24xx expanders. This is used to bias GPIO lines and keypad lines. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/stmpe.c4
-rw-r--r--drivers/mfd/stmpe.h3
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c
index 02a17c3..2d29d17 100644
--- a/drivers/mfd/stmpe.c
+++ b/drivers/mfd/stmpe.c
@@ -519,6 +519,7 @@ static const u8 stmpe1601_regs[] = {
[STMPE_IDX_GPDR_LSB] = STMPE1601_REG_GPIO_SET_DIR_LSB,
[STMPE_IDX_GPRER_LSB] = STMPE1601_REG_GPIO_RE_LSB,
[STMPE_IDX_GPFER_LSB] = STMPE1601_REG_GPIO_FE_LSB,
+ [STMPE_IDX_GPPUR_LSB] = STMPE1601_REG_GPIO_PU_LSB,
[STMPE_IDX_GPAFR_U_MSB] = STMPE1601_REG_GPIO_AF_U_MSB,
[STMPE_IDX_IEGPIOR_LSB] = STMPE1601_REG_INT_EN_GPIO_MASK_LSB,
[STMPE_IDX_ISGPIOR_MSB] = STMPE1601_REG_INT_STA_GPIO_MSB,
@@ -667,6 +668,7 @@ static const u8 stmpe1801_regs[] = {
[STMPE_IDX_GPDR_LSB] = STMPE1801_REG_GPIO_SET_DIR_LOW,
[STMPE_IDX_GPRER_LSB] = STMPE1801_REG_GPIO_RE_LOW,
[STMPE_IDX_GPFER_LSB] = STMPE1801_REG_GPIO_FE_LOW,
+ [STMPE_IDX_GPPUR_LSB] = STMPE1801_REG_GPIO_PULL_UP_LOW,
[STMPE_IDX_IEGPIOR_LSB] = STMPE1801_REG_INT_EN_GPIO_MASK_LOW,
[STMPE_IDX_ISGPIOR_LSB] = STMPE1801_REG_INT_STA_GPIO_LOW,
};
@@ -750,6 +752,8 @@ static const u8 stmpe24xx_regs[] = {
[STMPE_IDX_GPDR_LSB] = STMPE24XX_REG_GPDR_LSB,
[STMPE_IDX_GPRER_LSB] = STMPE24XX_REG_GPRER_LSB,
[STMPE_IDX_GPFER_LSB] = STMPE24XX_REG_GPFER_LSB,
+ [STMPE_IDX_GPPUR_LSB] = STMPE24XX_REG_GPPUR_LSB,
+ [STMPE_IDX_GPPDR_LSB] = STMPE24XX_REG_GPPDR_LSB,
[STMPE_IDX_GPAFR_U_MSB] = STMPE24XX_REG_GPAFR_U_MSB,
[STMPE_IDX_IEGPIOR_LSB] = STMPE24XX_REG_IEGPIOR_LSB,
[STMPE_IDX_ISGPIOR_MSB] = STMPE24XX_REG_ISGPIOR_MSB,
diff --git a/drivers/mfd/stmpe.h b/drivers/mfd/stmpe.h
index 2d045f2..e00710b 100644
--- a/drivers/mfd/stmpe.h
+++ b/drivers/mfd/stmpe.h
@@ -188,6 +188,7 @@ int stmpe_remove(struct stmpe *stmpe);
#define STMPE1601_REG_GPIO_ED_MSB 0x8A
#define STMPE1601_REG_GPIO_RE_LSB 0x8D
#define STMPE1601_REG_GPIO_FE_LSB 0x8F
+#define STMPE1601_REG_GPIO_PU_LSB 0x91
#define STMPE1601_REG_GPIO_AF_U_MSB 0x92
#define STMPE1601_SYS_CTRL_ENABLE_GPIO (1 << 3)
@@ -276,6 +277,8 @@ int stmpe_remove(struct stmpe *stmpe);
#define STMPE24XX_REG_GPEDR_MSB 0x8C
#define STMPE24XX_REG_GPRER_LSB 0x91
#define STMPE24XX_REG_GPFER_LSB 0x94
+#define STMPE24XX_REG_GPPUR_LSB 0x97
+#define STMPE24XX_REG_GPPDR_LSB 0x9a
#define STMPE24XX_REG_GPAFR_U_MSB 0x9B
#define STMPE24XX_SYS_CTRL_ENABLE_GPIO (1 << 3)
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