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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-07 03:50:35 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-07 03:50:35 +0300
commit3c0cb7c31c206aaedb967e44b98442bbeb17a6c4 (patch)
tree3ecba45d7ffae4fba4a5aafaef4af5b0b1105bde /arch/arm/plat-mxc/gpio.c
parentf70f5b9dc74ca7d0a64c4ead3fb28da09dc1b234 (diff)
parent404a02cbd2ae8bf256a2fa1169bdfe86bb5ebb34 (diff)
downloadlinux-3c0cb7c31c206aaedb967e44b98442bbeb17a6c4.tar.xz
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (416 commits) ARM: DMA: add support for DMA debugging ARM: PL011: add DMA burst threshold support for ST variants ARM: PL011: Add support for transmit DMA ARM: PL011: Ensure IRQs are disabled in UART interrupt handler ARM: PL011: Separate hardware FIFO size from TTY FIFO size ARM: PL011: Allow better handling of vendor data ARM: PL011: Ensure error flags are clear at startup ARM: PL011: include revision number in boot-time port printk ARM: vexpress: add sched_clock() for Versatile Express ARM i.MX53: Make MX53 EVK bootable ARM i.MX53: Some bug fix about MX53 MSL code ARM: 6607/1: sa1100: Update platform device registration ARM: 6606/1: sa1100: Fix platform device registration ARM i.MX51: rename IPU irqs ARM i.MX51: Add ipu clock support ARM: imx/mx27_3ds: Add PMIC support ARM: DMA: Replace page_to_dma()/dma_to_page() with pfn_to_dma()/dma_to_pfn() mx51: fix usb clock support MX51: Add support for usb host 2 arch/arm/plat-mxc/ehci.c: fix errors/typos ...
Diffstat (limited to 'arch/arm/plat-mxc/gpio.c')
-rw-r--r--arch/arm/plat-mxc/gpio.c114
1 files changed, 112 insertions, 2 deletions
diff --git a/arch/arm/plat-mxc/gpio.c b/arch/arm/plat-mxc/gpio.c
index 9c3e36232b5b..bc2c7bc6f10a 100644
--- a/arch/arm/plat-mxc/gpio.c
+++ b/arch/arm/plat-mxc/gpio.c
@@ -175,7 +175,7 @@ static void mxc_gpio_irq_handler(struct mxc_gpio_port *port, u32 irq_stat)
static void mx3_gpio_irq_handler(u32 irq, struct irq_desc *desc)
{
u32 irq_stat;
- struct mxc_gpio_port *port = (struct mxc_gpio_port *)get_irq_data(irq);
+ struct mxc_gpio_port *port = get_irq_data(irq);
irq_stat = __raw_readl(port->base + GPIO_ISR) &
__raw_readl(port->base + GPIO_IMR);
@@ -188,7 +188,7 @@ static void mx2_gpio_irq_handler(u32 irq, struct irq_desc *desc)
{
int i;
u32 irq_msk, irq_stat;
- struct mxc_gpio_port *port = (struct mxc_gpio_port *)get_irq_data(irq);
+ struct mxc_gpio_port *port = get_irq_data(irq);
/* walk through all interrupt status registers */
for (i = 0; i < gpio_table_size; i++) {
@@ -349,3 +349,113 @@ int __init mxc_gpio_init(struct mxc_gpio_port *port, int cnt)
return 0;
}
+
+#define DEFINE_IMX_GPIO_PORT_IRQ_HIGH(soc, _id, _hwid, _irq, _irq_high) \
+ { \
+ .chip.label = "gpio-" #_id, \
+ .irq = _irq, \
+ .irq_high = _irq_high, \
+ .base = soc ## _IO_ADDRESS( \
+ soc ## _GPIO ## _hwid ## _BASE_ADDR), \
+ .virtual_irq_start = MXC_GPIO_IRQ_START + (_id) * 32, \
+ }
+
+#define DEFINE_IMX_GPIO_PORT_IRQ(soc, _id, _hwid, _irq) \
+ DEFINE_IMX_GPIO_PORT_IRQ_HIGH(soc, _id, _hwid, _irq, 0)
+#define DEFINE_IMX_GPIO_PORT(soc, _id, _hwid) \
+ DEFINE_IMX_GPIO_PORT_IRQ(soc, _id, _hwid, 0)
+
+#define DEFINE_REGISTER_FUNCTION(prefix) \
+int __init prefix ## _register_gpios(void) \
+{ \
+ return mxc_gpio_init(prefix ## _gpio_ports, \
+ ARRAY_SIZE(prefix ## _gpio_ports)); \
+}
+
+#if defined(CONFIG_SOC_IMX1)
+static struct mxc_gpio_port imx1_gpio_ports[] = {
+ DEFINE_IMX_GPIO_PORT_IRQ(MX1, 0, 1, MX1_GPIO_INT_PORTA),
+ DEFINE_IMX_GPIO_PORT_IRQ(MX1, 1, 2, MX1_GPIO_INT_PORTB),
+ DEFINE_IMX_GPIO_PORT_IRQ(MX1, 2, 3, MX1_GPIO_INT_PORTC),
+ DEFINE_IMX_GPIO_PORT_IRQ(MX1, 3, 4, MX1_GPIO_INT_PORTD),
+};
+
+DEFINE_REGISTER_FUNCTION(imx1)
+
+#endif /* if defined(CONFIG_SOC_IMX1) */
+
+#if defined(CONFIG_SOC_IMX21)
+static struct mxc_gpio_port imx21_gpio_ports[] = {
+ DEFINE_IMX_GPIO_PORT_IRQ(MX21, 0, 1, MX21_INT_GPIO),
+ DEFINE_IMX_GPIO_PORT(MX21, 1, 2),
+ DEFINE_IMX_GPIO_PORT(MX21, 2, 3),
+ DEFINE_IMX_GPIO_PORT(MX21, 3, 4),
+ DEFINE_IMX_GPIO_PORT(MX21, 4, 5),
+ DEFINE_IMX_GPIO_PORT(MX21, 5, 6),
+};
+
+DEFINE_REGISTER_FUNCTION(imx21)
+
+#endif /* if defined(CONFIG_SOC_IMX21) */
+
+#if defined(CONFIG_SOC_IMX25)
+static struct mxc_gpio_port imx25_gpio_ports[] = {
+ DEFINE_IMX_GPIO_PORT_IRQ(MX25, 0, 1, MX25_INT_GPIO1),
+ DEFINE_IMX_GPIO_PORT_IRQ(MX25, 1, 2, MX25_INT_GPIO2),
+ DEFINE_IMX_GPIO_PORT_IRQ(MX25, 2, 3, MX25_INT_GPIO3),
+ DEFINE_IMX_GPIO_PORT_IRQ(MX25, 3, 4, MX25_INT_GPIO4),
+};
+
+DEFINE_REGISTER_FUNCTION(imx25)
+
+#endif /* if defined(CONFIG_SOC_IMX25) */
+
+#if defined(CONFIG_SOC_IMX27)
+static struct mxc_gpio_port imx27_gpio_ports[] = {
+ DEFINE_IMX_GPIO_PORT_IRQ(MX27, 0, 1, MX27_INT_GPIO),
+ DEFINE_IMX_GPIO_PORT(MX27, 1, 2),
+ DEFINE_IMX_GPIO_PORT(MX27, 2, 3),
+ DEFINE_IMX_GPIO_PORT(MX27, 3, 4),
+ DEFINE_IMX_GPIO_PORT(MX27, 4, 5),
+ DEFINE_IMX_GPIO_PORT(MX27, 5, 6),
+};
+
+DEFINE_REGISTER_FUNCTION(imx27)
+
+#endif /* if defined(CONFIG_SOC_IMX27) */
+
+#if defined(CONFIG_SOC_IMX31)
+static struct mxc_gpio_port imx31_gpio_ports[] = {
+ DEFINE_IMX_GPIO_PORT_IRQ(MX31, 0, 1, MX31_INT_GPIO1),
+ DEFINE_IMX_GPIO_PORT_IRQ(MX31, 1, 2, MX31_INT_GPIO2),
+ DEFINE_IMX_GPIO_PORT_IRQ(MX31, 2, 3, MX31_INT_GPIO3),
+};
+
+DEFINE_REGISTER_FUNCTION(imx31)
+
+#endif /* if defined(CONFIG_SOC_IMX31) */
+
+#if defined(CONFIG_SOC_IMX35)
+static struct mxc_gpio_port imx35_gpio_ports[] = {
+ DEFINE_IMX_GPIO_PORT_IRQ(MX35, 0, 1, MX35_INT_GPIO1),
+ DEFINE_IMX_GPIO_PORT_IRQ(MX35, 1, 2, MX35_INT_GPIO2),
+ DEFINE_IMX_GPIO_PORT_IRQ(MX35, 2, 3, MX35_INT_GPIO3),
+};
+
+DEFINE_REGISTER_FUNCTION(imx35)
+
+#endif /* if defined(CONFIG_SOC_IMX35) */
+
+#if defined(CONFIG_SOC_IMX50)
+static struct mxc_gpio_port imx50_gpio_ports[] = {
+ DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 0, 1, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH),
+ DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 1, 2, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH),
+ DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 2, 3, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH),
+ DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 3, 4, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH),
+ DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 4, 5, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH),
+ DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 5, 6, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH),
+};
+
+DEFINE_REGISTER_FUNCTION(imx50)
+
+#endif /* if defined(CONFIG_SOC_IMX50) */