Root/target/linux/cns21xx/patches-3.3/102-cns21xx-gpiolib-support.patch

1--- a/arch/arm/Kconfig
2+++ b/arch/arm/Kconfig
3@@ -365,6 +365,8 @@ config ARCH_CNS21XX
4     select CPU_FA526
5     select PLAT_FA
6     select PLAT_FA_TIME
7+ select PLAT_FA_GPIO
8+ select ARCH_REQUIRE_GPIOLIB
9     select ARM_L1_CACHE_SHIFT_4
10     help
11       Support for Cavium Networks CNS21xx family.
12--- a/arch/arm/mach-cns21xx/common.h
13+++ b/arch/arm/mach-cns21xx/common.h
14@@ -13,6 +13,7 @@
15 void cns21xx_restart(char mode, const char *cmd);
16 void cns21xx_map_io(void);
17 void cns21xx_init_irq(void);
18+void cns21xx_gpio_init(void);
19 
20 extern struct sys_timer cns21xx_timer;
21 
22--- /dev/null
23+++ b/arch/arm/mach-cns21xx/gpio.c
24@@ -0,0 +1,45 @@
25+/*
26+ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
27+ *
28+ * This file is free software; you can redistribute it and/or modify
29+ * it under the terms of the GNU General Public License, Version 2, as
30+ * published by the Free Software Foundation.
31+ */
32+
33+#include <plat/gpio.h>
34+
35+#include <mach/cns21xx.h>
36+#include <mach/irqs.h>
37+
38+static struct fa_gpio_chip cns21xx_gpio_chips[] = {
39+ {
40+ .gpio_chip = {
41+ .label = "GPIOA",
42+ .base = 0,
43+ .ngpio = 32,
44+ },
45+
46+ .map_base = CNS21XX_GPIOA_BASE,
47+ .irq_base = CNS21XX_GPIO_IRQ_BASE,
48+ }, {
49+ .gpio_chip = {
50+ .label = "GPIOB",
51+ .base = 32,
52+ .ngpio = 32,
53+ },
54+
55+ .map_base = CNS21XX_GPIOB_BASE,
56+ .irq_base = CNS21XX_GPIO_IRQ_BASE + 32,
57+ }
58+};
59+
60+static struct fa_gpio_data cns21xx_gpio_data = {
61+ .chips = cns21xx_gpio_chips,
62+ .nchips = ARRAY_SIZE(cns21xx_gpio_chips),
63+ .irq = CNS21XX_IRQ_GPIO,
64+};
65+
66+void __init cns21xx_gpio_init(void)
67+{
68+ fa_gpio_init(&cns21xx_gpio_data);
69+}
70--- /dev/null
71+++ b/arch/arm/mach-cns21xx/include/mach/gpio.h
72@@ -0,0 +1,2 @@
73+/* empty */
74+
75--- a/arch/arm/mach-cns21xx/Makefile
76+++ b/arch/arm/mach-cns21xx/Makefile
77@@ -4,7 +4,7 @@
78 
79 # Object file lists.
80 
81-obj-y := core.o devices.o irq.o mm.o time.o
82+obj-y := core.o devices.o gpio.o irq.o mm.o time.o
83 
84 # machine specific files
85 
86

Archive Download this file



interactive