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From 1647cccc871bf43876c3df9852869680880d054c Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Wed, 25 Mar 2015 13:52:02 +0100
Subject: [PATCH 1/2] MIPS: BCM63XX: provide a gpio lookup for the pcmcia
ready gpio
To prepare for a time when gpiobases don't need to be fixed anymore.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
arch/mips/bcm63xx/dev-pcmcia.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
--- a/arch/mips/bcm63xx/dev-pcmcia.c
+++ b/arch/mips/bcm63xx/dev-pcmcia.c
@@ -10,6 +10,7 @@
#include <linux/kernel.h>
#include <asm/bootinfo.h>
#include <linux/platform_device.h>
+#include <linux/gpio/driver.h>
#include <bcm63xx_cs.h>
#include <bcm63xx_cpu.h>
#include <bcm63xx_dev_pcmcia.h>
@@ -101,6 +102,14 @@ static const struct {
},
};
+static struct gpiod_lookup_table pcmcia_gpios_table = {
+ .dev_id = "bcm63xx_pcmcia.0",
+ .table = {
+ GPIO_LOOKUP("bcm63xx-gpio.0", 0, "ready", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
int __init bcm63xx_pcmcia_register(void)
{
int ret, i;
@@ -112,16 +121,20 @@ int __init bcm63xx_pcmcia_register(void)
switch (bcm63xx_get_cpu_id()) {
case BCM6348_CPU_ID:
pd.ready_gpio = 22;
+ pcmcia_gpios_table.table[0].chip_hwnum = 22;
break;
case BCM6358_CPU_ID:
pd.ready_gpio = 18;
+ pcmcia_gpios_table.table[0].chip_hwnum = 18;
break;
default:
return -ENODEV;
}
+ gpiod_add_lookup_table(&pcmcia_gpios_table);
+
pcmcia_resources[0].start = bcm63xx_regset_address(RSET_PCMCIA);
pcmcia_resources[0].end = pcmcia_resources[0].start +
RSET_PCMCIA_SIZE - 1;
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