pinctrl: SPEAr1340: Add clcd sleep mode pin configuration

CLCD pads must be configured differently for sleep mode. This patch adds support
for clcd_sleep_pingroup.

Signed-off-by: Vipul Kumar Samar <vipulkumar.samar@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 38 insertions, 1 deletions

diff --git a/drivers/pinctrl/spear/pinctrl-spear1340.c b/drivers/pinctrl/spear/pinctrl-spear1340.c
index 3963675d514f..0606b8cf3f2c 100644
--- a/drivers/pinctrl/spear/pinctrl-spear1340.c
+++ b/drivers/pinctrl/spear/pinctrl-spear1340.c
@@ -1692,7 +1692,43 @@ static struct spear_pingroup clcd_pingroup = {
         .nmodemuxs = ARRAY_SIZE(clcd_modemux),
 };
 
-static const char *const clcd_grps[] = { "clcd_grp" };
+/* Disable cld runtime to save panel damage */
+static struct spear_muxreg clcd_sleep_muxreg[] = {
+        {
+                .reg = PAD_SHARED_IP_EN_1,
+                .mask = ARM_TRACE_MASK | MIPHY_DBG_MASK,
+                .val = 0,
+        }, {
+                .reg = PAD_FUNCTION_EN_5,
+                .mask = CLCD_REG4_MASK | CLCD_AND_ARM_TRACE_REG4_MASK,
+                .val = 0x0,
+        }, {
+                .reg = PAD_FUNCTION_EN_6,
+                .mask = CLCD_AND_ARM_TRACE_REG5_MASK,
+                .val = 0x0,
+        }, {
+                .reg = PAD_FUNCTION_EN_7,
+                .mask = CLCD_AND_ARM_TRACE_REG6_MASK,
+                .val = 0x0,
+        },
+};
+
+static struct spear_modemux clcd_sleep_modemux[] = {
+        {
+                .muxregs = clcd_sleep_muxreg,
+                .nmuxregs = ARRAY_SIZE(clcd_sleep_muxreg),
+        },
+};
+
+static struct spear_pingroup clcd_sleep_pingroup = {
+        .name = "clcd_sleep_grp",
+        .pins = clcd_pins,
+        .npins = ARRAY_SIZE(clcd_pins),
+        .modemuxs = clcd_sleep_modemux,
+        .nmodemuxs = ARRAY_SIZE(clcd_sleep_modemux),
+};
+
+static const char *const clcd_grps[] = { "clcd_grp", "clcd_sleep_grp" };
 static struct spear_function clcd_function = {
         .name = "clcd",
         .groups = clcd_grps,
@@ -1893,6 +1929,7 @@ static struct spear_pingroup *spear1340_pingroups[] = {
         &sdhci_pingroup,
         &cf_pingroup,
         &xd_pingroup,
+        &clcd_sleep_pingroup,
         &clcd_pingroup,
         &arm_trace_pingroup,
         &miphy_dbg_pingroup,