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Subject[PATCH] pinctrl: nomadik: split stn8815 UART0 pin groups
Date
Split the UART pin groups so we can activate RX/TX, CTS/RTS and
the modem pins (DCD, DSR, RI, DTR) as three different groups
with function u0.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c b/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c
index a2de3b7a57a0..587b222f12f3 100644
--- a/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c
+++ b/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c
@@ -271,9 +271,11 @@ static const struct pinctrl_pin_desc nmk_stn8815_pins[] = {
*/

/* Altfunction A */
-static const unsigned u0_a_1_pins[] = { STN8815_PIN_B4, STN8815_PIN_D5,
- STN8815_PIN_C5, STN8815_PIN_A4, STN8815_PIN_B5, STN8815_PIN_D6,
- STN8815_PIN_C6, STN8815_PIN_B6 };
+static const unsigned u0txrx_a_1_pins[] = { STN8815_PIN_B4, STN8815_PIN_D5 };
+static const unsigned u0ctsrts_a_1_pins[] = { STN8815_PIN_C5, STN8815_PIN_B6 };
+/* Modem pins: DCD, DSR, RI, DTR */
+static const unsigned u0modem_a_1_pins[] = { STN8815_PIN_A4, STN8815_PIN_B5,
+ STN8815_PIN_D6, STN8815_PIN_C6 };
static const unsigned mmcsd_a_1_pins[] = { STN8815_PIN_B10, STN8815_PIN_A10,
STN8815_PIN_C11, STN8815_PIN_B11, STN8815_PIN_A11, STN8815_PIN_C12,
STN8815_PIN_B12, STN8815_PIN_A12, STN8815_PIN_C13, STN8815_PIN_C15 };
@@ -290,7 +292,9 @@ static const unsigned i2cusb_b_1_pins[] = { STN8815_PIN_C21, STN8815_PIN_C20 };
.npins = ARRAY_SIZE(a##_pins), .altsetting = b }

static const struct nmk_pingroup nmk_stn8815_groups[] = {
- STN8815_PIN_GROUP(u0_a_1, NMK_GPIO_ALT_A),
+ STN8815_PIN_GROUP(u0txrx_a_1, NMK_GPIO_ALT_A),
+ STN8815_PIN_GROUP(u0ctsrts_a_1, NMK_GPIO_ALT_A),
+ STN8815_PIN_GROUP(u0modem_a_1, NMK_GPIO_ALT_A),
STN8815_PIN_GROUP(mmcsd_a_1, NMK_GPIO_ALT_A),
STN8815_PIN_GROUP(mmcsd_b_1, NMK_GPIO_ALT_B),
STN8815_PIN_GROUP(u1_a_1, NMK_GPIO_ALT_A),
@@ -304,7 +308,7 @@ static const struct nmk_pingroup nmk_stn8815_groups[] = {
#define STN8815_FUNC_GROUPS(a, b...) \
static const char * const a##_groups[] = { b };

-STN8815_FUNC_GROUPS(u0, "u0_a_1");
+STN8815_FUNC_GROUPS(u0, "u0txrx_a_1", "u0ctsrts_a_1", "u0modem_a_1");
STN8815_FUNC_GROUPS(mmcsd, "mmcsd_a_1", "mmcsd_b_1");
STN8815_FUNC_GROUPS(u1, "u1_a_1", "u1_b_1");
STN8815_FUNC_GROUPS(i2c1, "i2c1_a_1");
--
2.4.3


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