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authorLinus Walleij <linus.walleij@linaro.org>2016-11-17 09:47:03 +0100
committerLinus Walleij <linus.walleij@linaro.org>2016-11-18 09:54:32 +0100
commit04d02c7a5ec68debdab8eb71bffe8a9381cb1b1a (patch)
treebfa0c3b3597251df1bc7efd38a4f65feefb01591 /drivers/pinctrl
parent712778d02d5c24e0bb5cfb9ccb9213496853a57f (diff)
downloadlinux-04d02c7a5ec68debdab8eb71bffe8a9381cb1b1a.tar.bz2
pinctrl: nomadik: split up and comments MC0 pins
When debugging it helps to see exactly which pin goes where, so make it very detailed. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r--drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c b/drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c
index 8392083514fb..af4814479eb0 100644
--- a/drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c
+++ b/drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c
@@ -379,13 +379,24 @@ static const unsigned msp0txrx_a_1_pins[] = { DB8500_PIN_AC4, DB8500_PIN_AC3 };
static const unsigned msp0tfstck_a_1_pins[] = { DB8500_PIN_AF3, DB8500_PIN_AE3 };
static const unsigned msp0rfsrck_a_1_pins[] = { DB8500_PIN_AD3, DB8500_PIN_AD4 };
/* Basic pins of the MMC/SD card 0 interface */
-static const unsigned mc0_a_1_pins[] = { DB8500_PIN_AC2, DB8500_PIN_AC1,
- DB8500_PIN_AB4, DB8500_PIN_AA3, DB8500_PIN_AA4, DB8500_PIN_AB2,
- DB8500_PIN_Y4, DB8500_PIN_Y2, DB8500_PIN_AA2, DB8500_PIN_AA1 };
+static const unsigned mc0_a_1_pins[] = { DB8500_PIN_AC2, /* MC0_CMDDIR */
+ DB8500_PIN_AC1, /* MC0_DAT0DIR */
+ DB8500_PIN_AB4, /* MC0_DAT2DIR */
+ DB8500_PIN_AA3, /* MC0_FBCLK */
+ DB8500_PIN_AA4, /* MC0_CLK */
+ DB8500_PIN_AB2, /* MC0_CMD */
+ DB8500_PIN_Y4, /* MC0_DAT0 */
+ DB8500_PIN_Y2, /* MC0_DAT1 */
+ DB8500_PIN_AA2, /* MC0_DAT2 */
+ DB8500_PIN_AA1 /* MC0_DAT3 */
+};
/* Often only 4 bits are used, then these are not needed (only used for MMC) */
-static const unsigned mc0_dat47_a_1_pins[] = { DB8500_PIN_W2, DB8500_PIN_W3,
- DB8500_PIN_V3, DB8500_PIN_V2};
-static const unsigned mc0dat31dir_a_1_pins[] = { DB8500_PIN_AB3 };
+static const unsigned mc0_dat47_a_1_pins[] = { DB8500_PIN_W2, /* MC0_DAT4 */
+ DB8500_PIN_W3, /* MC0_DAT5 */
+ DB8500_PIN_V3, /* MC0_DAT6 */
+ DB8500_PIN_V2 /* MC0_DAT7 */
+};
+static const unsigned mc0dat31dir_a_1_pins[] = { DB8500_PIN_AB3 }; /* MC0_DAT31DIR */
/* MSP1 can only be on these pins, but TXD and RXD can be flipped */
static const unsigned msp1txrx_a_1_pins[] = { DB8500_PIN_AF2, DB8500_PIN_AG2 };
static const unsigned msp1_a_1_pins[] = { DB8500_PIN_AE1, DB8500_PIN_AE2 };