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Subject[PATCH v1 2/6] gpio: dwapb: Read GPIO base from snps,gpio-base property
Date
For backward compatibility with some legacy devices, introduce
a new property snps,gpio-base to read GPIO base. Don't advertise
to discourage users from utilizing it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/gpio/gpio-dwapb.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
index a7ca72086511..e3d7589434eb 100644
--- a/drivers/gpio/gpio-dwapb.c
+++ b/drivers/gpio/gpio-dwapb.c
@@ -599,7 +599,8 @@ static struct dwapb_platform_data *dwapb_gpio_get_pdata(struct device *dev)
pp->ngpio = 32;
}

- pp->gpio_base = -1;
+ if (fwnode_property_read_u32(fwnode, "snps,gpio-base", &pp->gpio_base))
+ pp->gpio_base = -1;

/*
* Only port A can provide interrupts in all configurations of
--
2.27.0.rc2
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