[PATCH V3 21/63] ST SPEAr: Added ARM PL061 GPIO Support on SPEAr13xx and modified resource size
Viresh Kumar
viresh.kumar at st.com
Mon Dec 20 03:25:41 EST 2010
Signed-off-by: Viresh Kumar <viresh.kumar at st.com>
Signed-off-by: shiraz hashim <shiraz.hashim at st.com>
Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar at st.com>
---
arch/arm/mach-spear13xx/include/mach/generic.h | 1 +
arch/arm/mach-spear13xx/include/mach/gpio.h | 18 +++++++++++
arch/arm/mach-spear13xx/include/mach/irqs.h | 10 ++++++-
arch/arm/mach-spear13xx/include/mach/spear.h | 4 +-
arch/arm/mach-spear13xx/spear1300_evb.c | 2 +
arch/arm/mach-spear13xx/spear13xx.c | 37 ++++++++++++++++++++++++
arch/arm/mach-spear3xx/spear300.c | 2 +-
arch/arm/mach-spear3xx/spear3xx.c | 2 +-
arch/arm/mach-spear6xx/spear6xx.c | 9 ++----
9 files changed, 74 insertions(+), 11 deletions(-)
diff --git a/arch/arm/mach-spear13xx/include/mach/generic.h b/arch/arm/mach-spear13xx/include/mach/generic.h
index fd9f9a6..f3e6d95 100644
--- a/arch/arm/mach-spear13xx/include/mach/generic.h
+++ b/arch/arm/mach-spear13xx/include/mach/generic.h
@@ -29,6 +29,7 @@
#define SPEAR_GPT0_CHAN1_IRQ IRQ_GPT0_TMR1
/* Add spear13xx family device structure declarations here */
+extern struct amba_device spear13xx_gpio_device[];
extern struct amba_device spear13xx_uart_device;
extern struct platform_device spear13xx_ehci0_device;
extern struct platform_device spear13xx_ehci1_device;
diff --git a/arch/arm/mach-spear13xx/include/mach/gpio.h b/arch/arm/mach-spear13xx/include/mach/gpio.h
index 43fa541..2f8ad23 100644
--- a/arch/arm/mach-spear13xx/include/mach/gpio.h
+++ b/arch/arm/mach-spear13xx/include/mach/gpio.h
@@ -16,4 +16,22 @@
#include <plat/gpio.h>
+#define GPIO0_0 0
+#define GPIO0_1 1
+#define GPIO0_2 2
+#define GPIO0_3 3
+#define GPIO0_4 4
+#define GPIO0_5 5
+#define GPIO0_6 6
+#define GPIO0_7 7
+
+#define GPIO1_0 8
+#define GPIO1_1 9
+#define GPIO1_2 10
+#define GPIO1_3 11
+#define GPIO1_4 12
+#define GPIO1_5 13
+#define GPIO1_6 14
+#define GPIO1_7 15
+
#endif /* __MACH_GPIO_H */
diff --git a/arch/arm/mach-spear13xx/include/mach/irqs.h b/arch/arm/mach-spear13xx/include/mach/irqs.h
index 036bfc6..10b64c1 100644
--- a/arch/arm/mach-spear13xx/include/mach/irqs.h
+++ b/arch/arm/mach-spear13xx/include/mach/irqs.h
@@ -86,6 +86,14 @@
#define IRQ_GIC_END (IRQ_SHPI_START + 128)
-#define NR_IRQS IRQ_GIC_END
+#define VIRQ_START IRQ_GIC_END
+
+/* GPIO pins virtual irqs */
+#define SPEAR_GPIO0_INT_BASE (VIRQ_START + 0)
+#define SPEAR_GPIO1_INT_BASE (SPEAR_GPIO0_INT_BASE + 8)
+#define SPEAR_GPIO_INT_END (SPEAR_GPIO1_INT_BASE + 8)
+
+#define VIRQ_END SPEAR_GPIO_INT_END
+#define NR_IRQS VIRQ_END
#endif /* __MACH_IRQS_H */
diff --git a/arch/arm/mach-spear13xx/include/mach/spear.h b/arch/arm/mach-spear13xx/include/mach/spear.h
index d4b11a4..282ef2f 100644
--- a/arch/arm/mach-spear13xx/include/mach/spear.h
+++ b/arch/arm/mach-spear13xx/include/mach/spear.h
@@ -43,8 +43,8 @@
#define SPEAR13XX_GPT2_BASE 0xE0480000
#define SPEAR13XX_GPT3_BASE 0xE0500000
#define SPEAR13XX_RTC_BASE 0xE0580000
-#define SPEAR13XX_GPIOA_BASE 0xE0600000
-#define SPEAR13XX_GPIOB_BASE 0xE0680000
+#define SPEAR13XX_GPIO0_BASE 0xE0600000
+#define SPEAR13XX_GPIO1_BASE 0xE0680000
#define SPEAR13XX_MISC_BASE 0xE0700000
#define VA_SPEAR13XX_MISC_BASE IO_ADDRESS(SPEAR13XX_MISC_BASE)
diff --git a/arch/arm/mach-spear13xx/spear1300_evb.c b/arch/arm/mach-spear13xx/spear1300_evb.c
index 24fe8e6..fd0c7df 100644
--- a/arch/arm/mach-spear13xx/spear1300_evb.c
+++ b/arch/arm/mach-spear13xx/spear1300_evb.c
@@ -19,6 +19,8 @@
#include <plat/keyboard.h>
static struct amba_device *amba_devs[] __initdata = {
+ &spear13xx_gpio_device[0],
+ &spear13xx_gpio_device[1],
&spear13xx_uart_device,
};
diff --git a/arch/arm/mach-spear13xx/spear13xx.c b/arch/arm/mach-spear13xx/spear13xx.c
index d19e325..2037cd2 100644
--- a/arch/arm/mach-spear13xx/spear13xx.c
+++ b/arch/arm/mach-spear13xx/spear13xx.c
@@ -12,6 +12,7 @@
*/
#include <linux/types.h>
+#include <linux/amba/pl061.h>
#include <linux/ptrace.h>
#include <linux/io.h>
#include <asm/hardware/gic.h>
@@ -24,6 +25,42 @@
#include <mach/hardware.h>
/* Add spear13xx machines common devices here */
+/* gpio device registeration */
+static struct pl061_platform_data gpio_plat_data[] = {
+ {
+ .gpio_base = 0,
+ .irq_base = SPEAR_GPIO0_INT_BASE,
+ }, {
+ .gpio_base = 8,
+ .irq_base = SPEAR_GPIO1_INT_BASE,
+ },
+};
+
+struct amba_device spear13xx_gpio_device[] = {
+ {
+ .dev = {
+ .init_name = "gpio0",
+ .platform_data = &gpio_plat_data[0],
+ },
+ .res = {
+ .start = SPEAR13XX_GPIO0_BASE,
+ .end = SPEAR13XX_GPIO0_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ .irq = {IRQ_GPIO0, NO_IRQ},
+ }, {
+ .dev = {
+ .init_name = "gpio1",
+ .platform_data = &gpio_plat_data[1],
+ },
+ .res = {
+ .start = SPEAR13XX_GPIO1_BASE,
+ .end = SPEAR13XX_GPIO1_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ .irq = {IRQ_GPIO1, NO_IRQ},
+ }
+};
/* uart device registeration */
struct amba_device spear13xx_uart_device = {
diff --git a/arch/arm/mach-spear3xx/spear300.c b/arch/arm/mach-spear3xx/spear300.c
index 44ba52e..c80d4e1 100644
--- a/arch/arm/mach-spear3xx/spear300.c
+++ b/arch/arm/mach-spear3xx/spear300.c
@@ -401,7 +401,7 @@ struct amba_device gpio1_device = {
},
.res = {
.start = SPEAR300_GPIO_BASE,
- .end = SPEAR300_GPIO_BASE + SPEAR300_GPIO_SIZE - 1,
+ .end = SPEAR300_GPIO_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {VIRQ_GPIO1, NO_IRQ},
diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c
index 588004f..61d607b 100644
--- a/arch/arm/mach-spear3xx/spear3xx.c
+++ b/arch/arm/mach-spear3xx/spear3xx.c
@@ -35,7 +35,7 @@ struct amba_device gpio_device = {
},
.res = {
.start = SPEAR3XX_ICM3_GPIO_BASE,
- .end = SPEAR3XX_ICM3_GPIO_BASE + SPEAR3XX_ICM3_GPIO_SIZE - 1,
+ .end = SPEAR3XX_ICM3_GPIO_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_BASIC_GPIO, NO_IRQ},
diff --git a/arch/arm/mach-spear6xx/spear6xx.c b/arch/arm/mach-spear6xx/spear6xx.c
index 94bbcdf..e78c2e5 100644
--- a/arch/arm/mach-spear6xx/spear6xx.c
+++ b/arch/arm/mach-spear6xx/spear6xx.c
@@ -89,8 +89,7 @@ struct amba_device gpio_device[] = {
},
.res = {
.start = SPEAR6XX_CPU_GPIO_BASE,
- .end = SPEAR6XX_CPU_GPIO_BASE +
- SPEAR6XX_CPU_GPIO_SIZE - 1,
+ .end = SPEAR6XX_CPU_GPIO_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_LOCAL_GPIO, NO_IRQ},
@@ -101,8 +100,7 @@ struct amba_device gpio_device[] = {
},
.res = {
.start = SPEAR6XX_ICM3_GPIO_BASE,
- .end = SPEAR6XX_ICM3_GPIO_BASE +
- SPEAR6XX_ICM3_GPIO_SIZE - 1,
+ .end = SPEAR6XX_ICM3_GPIO_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_BASIC_GPIO, NO_IRQ},
@@ -113,8 +111,7 @@ struct amba_device gpio_device[] = {
},
.res = {
.start = SPEAR6XX_ICM2_GPIO_BASE,
- .end = SPEAR6XX_ICM2_GPIO_BASE +
- SPEAR6XX_ICM2_GPIO_SIZE - 1,
+ .end = SPEAR6XX_ICM2_GPIO_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_APPL_GPIO, NO_IRQ},
--
1.7.2.2
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