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>