diff options
| author | Rob Herring <robh@kernel.org> | 2015-01-27 05:46:06 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-02-03 13:40:29 +0100 |
| commit | 684bba2ff854c4a25727ee64f99b5bddcfa69777 (patch) | |
| tree | 96393049396713ed3f7f9e9e41e70b8c6d147a97 /drivers/gpio | |
| parent | dt/bindings: gpio: add compatible string for marvell,pxa1928-gpio (diff) | |
| download | linux-684bba2ff854c4a25727ee64f99b5bddcfa69777.tar.xz linux-684bba2ff854c4a25727ee64f99b5bddcfa69777.zip | |
gpio: pxa: add PXA1928 gpio type support
Add support for PXA1928 GPIOs. The PXA1928 adds a 6th bank from previous
generations.
Signed-off-by: Jing Xiang <jxiang@marvell.com>
Signed-off-by: Xiangzhan Meng <mengxzh@marvell.com>
[robh: ported to 3.19 from vendor kernel]
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-pxa.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c index b4fb8de374c8..2fdb04b6f101 100644 --- a/drivers/gpio/gpio-pxa.c +++ b/drivers/gpio/gpio-pxa.c @@ -41,9 +41,12 @@ * BANK 4 - 0x0104 0x0110 0x011C 0x0128 0x0134 0x0140 0x014C * BANK 5 - 0x0108 0x0114 0x0120 0x012C 0x0138 0x0144 0x0150 * + * BANK 6 - 0x0200 0x020C 0x0218 0x0224 0x0230 0x023C 0x0248 + * * NOTE: * BANK 3 is only available on PXA27x and later processors. - * BANK 4 and 5 are only available on PXA935 + * BANK 4 and 5 are only available on PXA935, PXA1928 + * BANK 6 is only available on PXA1928 */ #define GPLR_OFFSET 0x00 @@ -56,7 +59,8 @@ #define GAFR_OFFSET 0x54 #define ED_MASK_OFFSET 0x9C /* GPIO edge detection for AP side */ -#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2)) +#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : ((n) > 5 ? 0x200 : 0x100) \ + + (((n) % 3) << 2)) int pxa_last_gpio; static int irq_base; @@ -92,6 +96,7 @@ enum pxa_gpio_type { PXA93X_GPIO, MMP_GPIO = 0x10, MMP2_GPIO, + PXA1928_GPIO, }; struct pxa_gpio_id { @@ -139,6 +144,11 @@ static struct pxa_gpio_id mmp2_id = { .gpio_nums = 192, }; +static struct pxa_gpio_id pxa1928_id = { + .type = PXA1928_GPIO, + .gpio_nums = 224, +}; + #define for_each_gpio_chip(i, c) \ for (i = 0, c = &pxa_gpio_chips[0]; i <= pxa_last_gpio; i += 32, c++) @@ -486,6 +496,7 @@ static int pxa_gpio_nums(struct platform_device *pdev) case PXA93X_GPIO: case MMP_GPIO: case MMP2_GPIO: + case PXA1928_GPIO: gpio_type = pxa_id->type; count = pxa_id->gpio_nums - 1; break; @@ -505,6 +516,7 @@ static const struct of_device_id pxa_gpio_dt_ids[] = { { .compatible = "marvell,pxa93x-gpio", .data = &pxa93x_id, }, { .compatible = "marvell,mmp-gpio", .data = &mmp_id, }, { .compatible = "marvell,mmp2-gpio", .data = &mmp2_id, }, + { .compatible = "marvell,pxa1928-gpio", .data = &pxa1928_id, }, {} }; @@ -666,6 +678,7 @@ static const struct platform_device_id gpio_id_table[] = { { "pxa93x-gpio", (unsigned long)&pxa93x_id }, { "mmp-gpio", (unsigned long)&mmp_id }, { "mmp2-gpio", (unsigned long)&mmp2_id }, + { "pxa1928-gpio", (unsigned long)&pxa1928_id }, { }, }; |