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bcma: gpio: register 32 GPIOs on BCM5357 

Some Broadcom boards have more GPIOs available. For example Linksys
E3200 home router is based on SoC id 0x5357, package 0x0A and uses GPIO
23 to reset internal USB WiFi (gpio23=wombo_reset).

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
hifive-unleashed-5.1
Rafał Miłecki 2014-03-20 21:09:07 +01:00 committed by John W. Linville
parent 2de21e5899
commit 0f8ca01461
1 changed files with 8 additions and 1 deletions
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9
drivers/bcma/driver_gpio.c
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@ -218,7 +218,14 @@ int bcma_gpio_init(struct bcma_drv_cc *cc)
#if IS_BUILTIN(CONFIG_BCMA_HOST_SOC)
chip->to_irq = bcma_gpio_to_irq;
#endif
chip->ngpio = 16;
switch (cc->core->bus->chipinfo.id) {
case BCMA_CHIP_ID_BCM5357:
chip->ngpio = 32;
break;
default:
chip->ngpio = 16;
}
/* There is just one SoC in one device and its GPIO addresses should be
* deterministic to address them more easily. The other buses could get
* a random base number. */