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authorRongjun Ying <Rongjun.Ying@csr.com>2014-01-03 03:59:25 +0100
committerLinus Walleij <linus.walleij@linaro.org>2014-01-08 10:51:10 +0100
commit8385af02bad1724a720f6ba4c1ec590d4f082229 (patch)
treecfe7211ff40246dbd2dad5b13e2293baf1724bd5
parentpinctrl: sirf: fix the pins of sdmmc5 connected with TriG (diff)
downloadlinux-8385af02bad1724a720f6ba4c1ec590d4f082229.tar.xz
linux-8385af02bad1724a720f6ba4c1ec590d4f082229.zip
pinctrl: sirf: add pin group for USP0 with only RX or TX frame sync
USP0 has multiple functions, and has RX and TX frame sync signals, for some scenarios like audio PCM, we don't need both of them. so here we add two possibilities for USP0 only holding one of TX and RX frame sync. Signed-off-by: Rongjun Ying <Rongjun.Ying@csr.com> Signed-off-by: Barry Song <Barry.Song@csr.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r--drivers/pinctrl/sirf/pinctrl-prima2.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/pinctrl/sirf/pinctrl-prima2.c b/drivers/pinctrl/sirf/pinctrl-prima2.c
index 97046410e0cf..37b42651d76a 100644
--- a/drivers/pinctrl/sirf/pinctrl-prima2.c
+++ b/drivers/pinctrl/sirf/pinctrl-prima2.c
@@ -497,6 +497,40 @@ static const struct sirfsoc_padmux usp0_padmux = {
static const unsigned usp0_pins[] = { 51, 52, 53, 54, 55 };
+static const struct sirfsoc_muxmask usp0_only_utfs_muxmask[] = {
+ {
+ .group = 1,
+ .mask = BIT(19) | BIT(20) | BIT(21) | BIT(22),
+ },
+};
+
+static const struct sirfsoc_padmux usp0_only_utfs_padmux = {
+ .muxmask_counts = ARRAY_SIZE(usp0_only_utfs_muxmask),
+ .muxmask = usp0_only_utfs_muxmask,
+ .ctrlreg = SIRFSOC_RSC_PIN_MUX,
+ .funcmask = BIT(1) | BIT(2) | BIT(6),
+ .funcval = 0,
+};
+
+static const unsigned usp0_only_utfs_pins[] = { 51, 52, 53, 54 };
+
+static const struct sirfsoc_muxmask usp0_only_urfs_muxmask[] = {
+ {
+ .group = 1,
+ .mask = BIT(19) | BIT(20) | BIT(21) | BIT(23),
+ },
+};
+
+static const struct sirfsoc_padmux usp0_only_urfs_padmux = {
+ .muxmask_counts = ARRAY_SIZE(usp0_only_urfs_muxmask),
+ .muxmask = usp0_only_urfs_muxmask,
+ .ctrlreg = SIRFSOC_RSC_PIN_MUX,
+ .funcmask = BIT(1) | BIT(2) | BIT(9),
+ .funcval = 0,
+};
+
+static const unsigned usp0_only_urfs_pins[] = { 51, 52, 53, 55 };
+
static const struct sirfsoc_muxmask usp0_uart_nostreamctrl_muxmask[] = {
{
.group = 1,
@@ -853,6 +887,8 @@ static const struct sirfsoc_pin_group sirfsoc_pin_groups[] = {
SIRFSOC_PIN_GROUP("usp0grp", usp0_pins),
SIRFSOC_PIN_GROUP("usp0_uart_nostreamctrl_grp",
usp0_uart_nostreamctrl_pins),
+ SIRFSOC_PIN_GROUP("usp0_only_utfs_grp", usp0_only_utfs_pins),
+ SIRFSOC_PIN_GROUP("usp0_only_urfs_grp", usp0_only_urfs_pins),
SIRFSOC_PIN_GROUP("usp1grp", usp1_pins),
SIRFSOC_PIN_GROUP("usp1_uart_nostreamctrl_grp",
usp1_uart_nostreamctrl_pins),
@@ -901,6 +937,8 @@ static const char * const uart2_nostreamctrlgrp[] = { "uart2_nostreamctrlgrp" };
static const char * const usp0grp[] = { "usp0grp" };
static const char * const usp0_uart_nostreamctrl_grp[] =
{ "usp0_uart_nostreamctrl_grp" };
+static const char * const usp0_only_utfs_grp[] = { "usp0_only_utfs_grp" };
+static const char * const usp0_only_urfs_grp[] = { "usp0_only_urfs_grp" };
static const char * const usp1grp[] = { "usp1grp" };
static const char * const usp1_uart_nostreamctrl_grp[] =
{ "usp1_uart_nostreamctrl_grp" };
@@ -949,6 +987,8 @@ static const struct sirfsoc_pmx_func sirfsoc_pmx_functions[] = {
SIRFSOC_PMX_FUNCTION("usp0", usp0grp, usp0_padmux),
SIRFSOC_PMX_FUNCTION("usp0_uart_nostreamctrl",
usp0_uart_nostreamctrl_grp, usp0_uart_nostreamctrl_padmux),
+ SIRFSOC_PMX_FUNCTION("usp0_only_utfs", usp0_only_utfs_grp, usp0_only_utfs_padmux),
+ SIRFSOC_PMX_FUNCTION("usp0_only_urfs", usp0_only_urfs_grp, usp0_only_urfs_padmux),
SIRFSOC_PMX_FUNCTION("usp1", usp1grp, usp1_padmux),
SIRFSOC_PMX_FUNCTION("usp1_uart_nostreamctrl",
usp1_uart_nostreamctrl_grp, usp1_uart_nostreamctrl_padmux),