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pinctrl: nomadik: split stn8815 UART0 pin groups

Message ID 1437816192-7796-1-git-send-email-linus.walleij@linaro.org
State Accepted
Commit 1051fade4b1fac0de19478b33383b25bd1d24d10
Headers show

Commit Message

Linus Walleij July 25, 2015, 9:23 a.m. UTC 
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(-)
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Patch

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");