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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>
This commit is contained in:
Linus Walleij 2016-11-17 09:47:03 +01:00
parent 712778d02d
commit 04d02c7a5e
1 changed files with 17 additions and 6 deletions
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23
drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c
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@ -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 };