brcm63xx: add linux 4.4 support

[openwrt.git] / target / linux / brcm63xx / patches-4.4 / 379-MIPS-BCM63XX-provide-a-gpio-lookup-for-the-pcmcia-re.patch

diff --git a/target/linux/brcm63xx/patches-4.4/379-MIPS-BCM63XX-provide-a-gpio-lookup-for-the-pcmcia-re.patch b/target/linux/brcm63xx/patches-4.4/379-MIPS-BCM63XX-provide-a-gpio-lookup-for-the-pcmcia-re.patch
new file mode 100644 (file)
index 0000000..b571999
--- /dev/null
+++ b/target/linux/brcm63xx/patches-4.4/379-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;