mfd: Add support for stmpe variant 801

STMPE801 is a GPIO expander. Registers for 801 are much different from other
variants. This patch adds support for STMPE801 in stmpe mfd driver.

Signed-off-by: Bhupesh Sharma <bhupesh.sharma@st.com>
Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/drivers/mfd/stmpe.h b/drivers/mfd/stmpe.h
index a73f4c1085f2..7b8e13f5b764 100644
--- a/drivers/mfd/stmpe.h
+++ b/drivers/mfd/stmpe.h
@@ -105,6 +105,25 @@ int stmpe_remove(struct stmpe *stmpe);
 #define STMPE_ICR_LSB_GIM       (1 << 0)
 
 /*
+ * STMPE801
+ */
+#define STMPE801_ID                     0x0108
+#define STMPE801_NR_INTERNAL_IRQS       1
+
+#define STMPE801_REG_CHIP_ID            0x00
+#define STMPE801_REG_VERSION_ID         0x02
+#define STMPE801_REG_SYS_CTRL           0x04
+#define STMPE801_REG_GPIO_INT_EN        0x08
+#define STMPE801_REG_GPIO_INT_STA       0x09
+#define STMPE801_REG_GPIO_MP_STA        0x10
+#define STMPE801_REG_GPIO_SET_PIN       0x11
+#define STMPE801_REG_GPIO_DIR           0x12
+
+#define STMPE801_REG_SYS_CTRL_RESET     (1 << 7)
+#define STMPE801_REG_SYS_CTRL_INT_EN    (1 << 2)
+#define STMPE801_REG_SYS_CTRL_INT_HI    (1 << 0)
+
+/*
  * STMPE811
  */