| /branches/18.06.1/target/linux/brcm63xx/patches-4.9/379-MIPS-BCM63XX-provide-a-gpio-lookup-for-the-pcmcia-re.patch |
|---|
| @@ -0,0 +1,59 @@ |
|---|
| 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/machine.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; |
