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pinctrl: sirf: add usp0_uart_nostreamctrl pin group for usp-uart without flowctrl 

this patch adds the lost pin group which supports to let USP0 to simulate
a UART without hardware flow control.

Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Qipan Li 2013-07-04 15:55:26 +08:00 committed by Linus Walleij
parent 42a708c932
commit d58e9a02e1
2 changed files with 26 additions and 0 deletions
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6
arch/arm/boot/dts/atlas6.dtsi
View File

@ -485,6 +485,12 @@
sirf,function = "usp0";
};
};
usp0_uart_nostreamctrl_pins_a: usp0@1 {
usp0 {
sirf,pins = "usp0_uart_nostreamctrl_grp";
sirf,function = "usp0_uart_nostreamctrl";
};
};
usp1_pins_a: usp1@0 {
usp1 {
sirf,pins = "usp1grp";

20
drivers/pinctrl/sirf/pinctrl-atlas6.c
View File

@ -509,6 +509,19 @@ static const struct sirfsoc_padmux usp0_padmux = {
static const unsigned usp0_pins[] = { 51, 52, 53, 54, 55 };
static const struct sirfsoc_muxmask usp0_uart_nostreamctrl_muxmask[] = {
{
.group = 1,
.mask = BIT(20) | BIT(21),
},
};
static const struct sirfsoc_padmux usp0_uart_nostreamctrl_padmux = {
.muxmask_counts = ARRAY_SIZE(usp0_uart_nostreamctrl_muxmask),
.muxmask = usp0_uart_nostreamctrl_muxmask,
};
static const unsigned usp0_uart_nostreamctrl_pins[] = { 52, 53 };
static const struct sirfsoc_muxmask usp1_muxmask[] = {
{
.group = 0,
@ -822,6 +835,8 @@ static const struct sirfsoc_pin_group sirfsoc_pin_groups[] = {
SIRFSOC_PIN_GROUP("uart2grp", uart2_pins),
SIRFSOC_PIN_GROUP("uart2_nostreamctrlgrp", uart2_nostreamctrl_pins),
SIRFSOC_PIN_GROUP("usp0grp", usp0_pins),
SIRFSOC_PIN_GROUP("usp0_uart_nostreamctrl_grp",
usp0_uart_nostreamctrl_pins),
SIRFSOC_PIN_GROUP("usp1grp", usp1_pins),
SIRFSOC_PIN_GROUP("i2c0grp", i2c0_pins),
SIRFSOC_PIN_GROUP("i2c1grp", i2c1_pins),
@ -862,6 +877,8 @@ static const char * const uart0grp[] = { "uart0grp" };
static const char * const uart1grp[] = { "uart1grp" };
static const char * const uart2grp[] = { "uart2grp" };
static const char * const uart2_nostreamctrlgrp[] = { "uart2_nostreamctrlgrp" };
static const char * const usp0_uart_nostreamctrl_grp[] = {
"usp0_uart_nostreamctrl_grp" };
static const char * const usp0grp[] = { "usp0grp" };
static const char * const usp1grp[] = { "usp1grp" };
static const char * const i2c0grp[] = { "i2c0grp" };
@ -904,6 +921,9 @@ static const struct sirfsoc_pmx_func sirfsoc_pmx_functions[] = {
SIRFSOC_PMX_FUNCTION("uart2", uart2grp, uart2_padmux),
SIRFSOC_PMX_FUNCTION("uart2_nostreamctrl", uart2_nostreamctrlgrp, uart2_nostreamctrl_padmux),
SIRFSOC_PMX_FUNCTION("usp0", usp0grp, usp0_padmux),
SIRFSOC_PMX_FUNCTION("usp0_uart_nostreamctrl",
usp0_uart_nostreamctrl_grp,
usp0_uart_nostreamctrl_padmux),
SIRFSOC_PMX_FUNCTION("usp1", usp1grp, usp1_padmux),
SIRFSOC_PMX_FUNCTION("i2c0", i2c0grp, i2c0_padmux),
SIRFSOC_PMX_FUNCTION("i2c1", i2c1grp, i2c1_padmux),