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From 6759a62f28bb1995afe6562c0adfbbb6e8540933 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sun, 22 Feb 2015 12:57:58 +0100
Subject: [PATCH 6/6] gpio: gpio-bcm63xx: use alias id for base calculation
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
drivers/gpio/gpio-bcm63xx.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/gpio/gpio-bcm63xx.c
+++ b/drivers/gpio/gpio-bcm63xx.c
@@ -32,6 +32,8 @@
#include <linux/of.h>
#include <linux/of_gpio.h>
+#define BCM63XX_GPIOS_PER_BANK 32
+
static int bcm63xx_gpio_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -73,8 +75,12 @@ static int bcm63xx_gpio_probe(struct pla
platform_set_drvdata(pdev, bgc);
if (dev->of_node) {
+ int id = of_alias_get_id(dev->of_node, "gpio");
u32 ngpios;
+ if (id >= 0)
+ bgc->gc.base = id * BCM63XX_GPIOS_PER_BANK;
+
if (!of_property_read_u32(dev->of_node, "ngpios", &ngpios))
bgc->gc.ngpio = ngpios;
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