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Commit 0504271c8dfe2247401de4f153e9224535e622c2

Authored by Vipul Kumar Samar
Committed by Linus Walleij
1 parent 35d1480694
Exists in smarc-l5.0.0_1.0.0-ga and in 5 other branches imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga

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>

Showing 1 changed file with 38 additions and 1 deletions Side-by-side Diff

drivers/pinctrl/spear/pinctrl-spear1340.c
Diff comments   View file @ 0504271
... ... @@ -1692,7 +1692,43 @@
1692 1692 .nmodemuxs = ARRAY_SIZE(clcd_modemux),
1693 1693 };
1694 1694  
1695   -static const char *const clcd_grps[] = { "clcd_grp" };
  1695 +/* Disable cld runtime to save panel damage */
  1696 +static struct spear_muxreg clcd_sleep_muxreg[] = {
  1697 + {
  1698 + .reg = PAD_SHARED_IP_EN_1,
  1699 + .mask = ARM_TRACE_MASK | MIPHY_DBG_MASK,
  1700 + .val = 0,
  1701 + }, {
  1702 + .reg = PAD_FUNCTION_EN_5,
  1703 + .mask = CLCD_REG4_MASK | CLCD_AND_ARM_TRACE_REG4_MASK,
  1704 + .val = 0x0,
  1705 + }, {
  1706 + .reg = PAD_FUNCTION_EN_6,
  1707 + .mask = CLCD_AND_ARM_TRACE_REG5_MASK,
  1708 + .val = 0x0,
  1709 + }, {
  1710 + .reg = PAD_FUNCTION_EN_7,
  1711 + .mask = CLCD_AND_ARM_TRACE_REG6_MASK,
  1712 + .val = 0x0,
  1713 + },
  1714 +};
  1715 +
  1716 +static struct spear_modemux clcd_sleep_modemux[] = {
  1717 + {
  1718 + .muxregs = clcd_sleep_muxreg,
  1719 + .nmuxregs = ARRAY_SIZE(clcd_sleep_muxreg),
  1720 + },
  1721 +};
  1722 +
  1723 +static struct spear_pingroup clcd_sleep_pingroup = {
  1724 + .name = "clcd_sleep_grp",
  1725 + .pins = clcd_pins,
  1726 + .npins = ARRAY_SIZE(clcd_pins),
  1727 + .modemuxs = clcd_sleep_modemux,
  1728 + .nmodemuxs = ARRAY_SIZE(clcd_sleep_modemux),
  1729 +};
  1730 +
  1731 +static const char *const clcd_grps[] = { "clcd_grp", "clcd_sleep_grp" };
1696 1732 static struct spear_function clcd_function = {
1697 1733 .name = "clcd",
1698 1734 .groups = clcd_grps,
... ... @@ -1893,6 +1929,7 @@
1893 1929 &sdhci_pingroup,
1894 1930 &cf_pingroup,
1895 1931 &xd_pingroup,
  1932 + &clcd_sleep_pingroup,
1896 1933 &clcd_pingroup,
1897 1934 &arm_trace_pingroup,
1898 1935 &miphy_dbg_pingroup,