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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>
This commit is contained in:
Rongjun Ying 2014-01-03 10:59:25 +08:00 committed by Linus Walleij
parent cbc3b873c8
commit 8385af02ba
1 changed files with 40 additions and 0 deletions
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40
drivers/pinctrl/sirf/pinctrl-prima2.c
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@ -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),