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authorCyril Chemparathy <cyril@ti.com>2010-05-01 18:37:54 -0400
committerKevin Hilman <khilman@deeprootsystems.com>2010-05-06 15:02:08 -0700
commit686b634a07451fc4fe3b712fe211bfa861a53241 (patch)
tree109557ee13bc43e3e574fd54fe2354a2da7d6dc9 /arch/arm
parentc12f415a9144a76dc99df34f56ce3022207ad1d0 (diff)
downloadop-kernel-dev-686b634a07451fc4fe3b712fe211bfa861a53241.zip
op-kernel-dev-686b634a07451fc4fe3b712fe211bfa861a53241.tar.gz
Davinci: gpio - controller type support
This patch allows for gpio controllers that deviate from those found on traditional davinci socs. davinci_soc_info has an added field to indicate the soc-specific gpio controller type. The gpio initialization code then bails out if necessary. More elements (tnetv107x) to be added later into enum davinci_gpio_type. Signed-off-by: Cyril Chemparathy <cyril@ti.com> Tested-by: Sandeep Paulraj <s-paulraj@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-davinci/da830.c2
-rw-r--r--arch/arm/mach-davinci/da850.c2
-rw-r--r--arch/arm/mach-davinci/dm355.c1
-rw-r--r--arch/arm/mach-davinci/dm365.c1
-rw-r--r--arch/arm/mach-davinci/dm644x.c1
-rw-r--r--arch/arm/mach-davinci/dm646x.c1
-rw-r--r--arch/arm/mach-davinci/gpio.c3
-rw-r--r--arch/arm/mach-davinci/include/mach/common.h1
-rw-r--r--arch/arm/mach-davinci/include/mach/gpio.h4
9 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c
index 122e61a..68e5233 100644
--- a/arch/arm/mach-davinci/da830.c
+++ b/arch/arm/mach-davinci/da830.c
@@ -19,6 +19,7 @@
#include <mach/common.h>
#include <mach/time.h>
#include <mach/da8xx.h>
+#include <mach/gpio.h>
#include "clock.h"
#include "mux.h"
@@ -1199,6 +1200,7 @@ static struct davinci_soc_info davinci_soc_info_da830 = {
.intc_irq_prios = da830_default_priorities,
.intc_irq_num = DA830_N_CP_INTC_IRQ,
.timer_info = &da830_timer_info,
+ .gpio_type = GPIO_TYPE_DAVINCI,
.gpio_base = IO_ADDRESS(DA8XX_GPIO_BASE),
.gpio_num = 128,
.gpio_irq = IRQ_DA8XX_GPIO0,
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index d0fd756..8aefcff 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -27,6 +27,7 @@
#include <mach/da8xx.h>
#include <mach/cpufreq.h>
#include <mach/pm.h>
+#include <mach/gpio.h>
#include "clock.h"
#include "mux.h"
@@ -1084,6 +1085,7 @@ static struct davinci_soc_info davinci_soc_info_da850 = {
.intc_irq_prios = da850_default_priorities,
.intc_irq_num = DA850_N_CP_INTC_IRQ,
.timer_info = &da850_timer_info,
+ .gpio_type = GPIO_TYPE_DAVINCI,
.gpio_base = IO_ADDRESS(DA8XX_GPIO_BASE),
.gpio_num = 144,
.gpio_irq = IRQ_DA8XX_GPIO0,
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index 5efce70..f9a54ff 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -859,6 +859,7 @@ static struct davinci_soc_info davinci_soc_info_dm355 = {
.intc_irq_prios = dm355_default_priorities,
.intc_irq_num = DAVINCI_N_AINTC_IRQ,
.timer_info = &dm355_timer_info,
+ .gpio_type = GPIO_TYPE_DAVINCI,
.gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE),
.gpio_num = 104,
.gpio_irq = IRQ_DM355_GPIOBNK0,
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index 1ee3fc8..0566675 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -1064,6 +1064,7 @@ static struct davinci_soc_info davinci_soc_info_dm365 = {
.intc_irq_prios = dm365_default_priorities,
.intc_irq_num = DAVINCI_N_AINTC_IRQ,
.timer_info = &dm365_timer_info,
+ .gpio_type = GPIO_TYPE_DAVINCI,
.gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE),
.gpio_num = 104,
.gpio_irq = IRQ_DM365_GPIO0,
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index 23cbe9d..4af349e 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -748,6 +748,7 @@ static struct davinci_soc_info davinci_soc_info_dm644x = {
.intc_irq_prios = dm644x_default_priorities,
.intc_irq_num = DAVINCI_N_AINTC_IRQ,
.timer_info = &dm644x_timer_info,
+ .gpio_type = GPIO_TYPE_DAVINCI,
.gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE),
.gpio_num = 71,
.gpio_irq = IRQ_GPIOBNK0,
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index a0b3739..bdb1ace 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -832,6 +832,7 @@ static struct davinci_soc_info davinci_soc_info_dm646x = {
.intc_irq_prios = dm646x_default_priorities,
.intc_irq_num = DAVINCI_N_AINTC_IRQ,
.timer_info = &dm646x_timer_info,
+ .gpio_type = GPIO_TYPE_DAVINCI,
.gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE),
.gpio_num = 43, /* Only 33 usable */
.gpio_irq = IRQ_DM646X_GPIOBNK0,
diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c
index d241b4f..e422cd3 100644
--- a/arch/arm/mach-davinci/gpio.c
+++ b/arch/arm/mach-davinci/gpio.c
@@ -145,6 +145,9 @@ static int __init davinci_gpio_setup(void)
struct davinci_soc_info *soc_info = &davinci_soc_info;
struct davinci_gpio_regs *regs;
+ if (soc_info->gpio_type != GPIO_TYPE_DAVINCI)
+ return 0;
+
/*
* The gpio banks conceptually expose a segmented bitmap,
* and "ngpio" is one more than the largest zero-based
diff --git a/arch/arm/mach-davinci/include/mach/common.h b/arch/arm/mach-davinci/include/mach/common.h
index 1d72883..8ffef5b 100644
--- a/arch/arm/mach-davinci/include/mach/common.h
+++ b/arch/arm/mach-davinci/include/mach/common.h
@@ -59,6 +59,7 @@ struct davinci_soc_info {
u8 *intc_irq_prios;
unsigned long intc_irq_num;
struct davinci_timer_info *timer_info;
+ int gpio_type;
void __iomem *gpio_base;
unsigned gpio_num;
unsigned gpio_irq;
diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h
index 82591d0..9a71a26 100644
--- a/arch/arm/mach-davinci/include/mach/gpio.h
+++ b/arch/arm/mach-davinci/include/mach/gpio.h
@@ -21,6 +21,10 @@
#define DAVINCI_GPIO_BASE 0x01C67000
+enum davinci_gpio_type {
+ GPIO_TYPE_DAVINCI = 0,
+};
+
/*
* basic gpio routines
*
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