| Message ID | 1309879166-25788-3-git-send-email-shawn.guo@linaro.org |
|---|---|
| State | New |
| Headers | show |
On Tue, Jul 5, 2011 at 9:19 AM, Shawn Guo <shawn.guo@linaro.org> wrote: > The patch removes all the uses of cpu_is_mx(). Instead, it utilizes > platform_device_id to distinguish the gpio differences among SoCs. > > Signed-off-by: Shawn Guo <shawn.guo@linaro.org> > Cc: Grant Likely <grant.likely@secretlab.ca> > Cc: Sascha Hauer <s.hauer@pengutronix.de> Don't forget to cc linux-kernel on GPIO patches. Acked-by: Grant Likely <grant.likely@secretlab.ca> > --- > arch/arm/mach-imx/mm-imx1.c | 8 +- > arch/arm/mach-imx/mm-imx21.c | 12 +- > arch/arm/mach-imx/mm-imx25.c | 8 +- > arch/arm/mach-imx/mm-imx27.c | 12 +- > arch/arm/mach-imx/mm-imx31.c | 6 +- > arch/arm/mach-imx/mm-imx35.c | 6 +- > arch/arm/mach-mx5/mm-mx50.c | 12 +- > arch/arm/mach-mx5/mm.c | 22 ++-- > arch/arm/plat-mxc/devices/platform-gpio-mxc.c | 4 +- > arch/arm/plat-mxc/include/mach/common.h | 2 +- > drivers/gpio/gpio-mxc.c | 131 +++++++++++++++++++++---- > 11 files changed, 159 insertions(+), 64 deletions(-) > > diff --git a/arch/arm/mach-imx/mm-imx1.c b/arch/arm/mach-imx/mm-imx1.c > index f2a6566..2bded59 100644 > --- a/arch/arm/mach-imx/mm-imx1.c > +++ b/arch/arm/mach-imx/mm-imx1.c > @@ -50,12 +50,12 @@ void __init mx1_init_irq(void) > > void __init imx1_soc_init(void) > { > - mxc_register_gpio(0, MX1_GPIO1_BASE_ADDR, SZ_256, > + mxc_register_gpio("imx1-gpio", 0, MX1_GPIO1_BASE_ADDR, SZ_256, > MX1_GPIO_INT_PORTA, 0); > - mxc_register_gpio(1, MX1_GPIO2_BASE_ADDR, SZ_256, > + mxc_register_gpio("imx1-gpio", 1, MX1_GPIO2_BASE_ADDR, SZ_256, > MX1_GPIO_INT_PORTB, 0); > - mxc_register_gpio(2, MX1_GPIO3_BASE_ADDR, SZ_256, > + mxc_register_gpio("imx1-gpio", 2, MX1_GPIO3_BASE_ADDR, SZ_256, > MX1_GPIO_INT_PORTC, 0); > - mxc_register_gpio(3, MX1_GPIO4_BASE_ADDR, SZ_256, > + mxc_register_gpio("imx1-gpio", 3, MX1_GPIO4_BASE_ADDR, SZ_256, > MX1_GPIO_INT_PORTD, 0); > } > diff --git a/arch/arm/mach-imx/mm-imx21.c b/arch/arm/mach-imx/mm-imx21.c > index 4f32a8a..d02e20d 100644 > --- a/arch/arm/mach-imx/mm-imx21.c > +++ b/arch/arm/mach-imx/mm-imx21.c > @@ -77,12 +77,12 @@ void __init mx21_init_irq(void) > > void __init imx21_soc_init(void) > { > - mxc_register_gpio(0, MX21_GPIO1_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); > - mxc_register_gpio(1, MX21_GPIO2_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); > - mxc_register_gpio(2, MX21_GPIO3_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); > - mxc_register_gpio(3, MX21_GPIO4_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); > - mxc_register_gpio(4, MX21_GPIO5_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); > - mxc_register_gpio(5, MX21_GPIO6_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); > + mxc_register_gpio("imx2-gpio", 0, MX21_GPIO1_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); > + mxc_register_gpio("imx2-gpio", 1, MX21_GPIO2_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); > + mxc_register_gpio("imx2-gpio", 2, MX21_GPIO3_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); > + mxc_register_gpio("imx2-gpio", 3, MX21_GPIO4_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); > + mxc_register_gpio("imx2-gpio", 4, MX21_GPIO5_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); > + mxc_register_gpio("imx2-gpio", 5, MX21_GPIO6_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); > > imx_add_imx_dma(); > } > diff --git a/arch/arm/mach-imx/mm-imx25.c b/arch/arm/mach-imx/mm-imx25.c > index 1e0c956..65099e6 100644 > --- a/arch/arm/mach-imx/mm-imx25.c > +++ b/arch/arm/mach-imx/mm-imx25.c > @@ -86,10 +86,10 @@ static struct sdma_platform_data imx25_sdma_pdata __initdata = { > > void __init imx25_soc_init(void) > { > - mxc_register_gpio(0, MX25_GPIO1_BASE_ADDR, SZ_16K, MX25_INT_GPIO1, 0); > - mxc_register_gpio(1, MX25_GPIO2_BASE_ADDR, SZ_16K, MX25_INT_GPIO2, 0); > - mxc_register_gpio(2, MX25_GPIO3_BASE_ADDR, SZ_16K, MX25_INT_GPIO3, 0); > - mxc_register_gpio(3, MX25_GPIO4_BASE_ADDR, SZ_16K, MX25_INT_GPIO4, 0); > + mxc_register_gpio("imx25-gpio", 0, MX25_GPIO1_BASE_ADDR, SZ_16K, MX25_INT_GPIO1, 0); > + mxc_register_gpio("imx25-gpio", 1, MX25_GPIO2_BASE_ADDR, SZ_16K, MX25_INT_GPIO2, 0); > + mxc_register_gpio("imx25-gpio", 2, MX25_GPIO3_BASE_ADDR, SZ_16K, MX25_INT_GPIO3, 0); > + mxc_register_gpio("imx25-gpio", 3, MX25_GPIO4_BASE_ADDR, SZ_16K, MX25_INT_GPIO4, 0); > > imx_add_imx_sdma(MX25_SDMA_BASE_ADDR, MX25_INT_SDMA, &imx25_sdma_pdata); > } > diff --git a/arch/arm/mach-imx/mm-imx27.c b/arch/arm/mach-imx/mm-imx27.c > index 944e02d..5a62969 100644 > --- a/arch/arm/mach-imx/mm-imx27.c > +++ b/arch/arm/mach-imx/mm-imx27.c > @@ -77,12 +77,12 @@ void __init mx27_init_irq(void) > > void __init imx27_soc_init(void) > { > - mxc_register_gpio(0, MX27_GPIO1_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); > - mxc_register_gpio(1, MX27_GPIO2_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); > - mxc_register_gpio(2, MX27_GPIO3_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); > - mxc_register_gpio(3, MX27_GPIO4_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); > - mxc_register_gpio(4, MX27_GPIO5_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); > - mxc_register_gpio(5, MX27_GPIO6_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); > + mxc_register_gpio("imx2-gpio", 0, MX27_GPIO1_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); > + mxc_register_gpio("imx2-gpio", 1, MX27_GPIO2_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); > + mxc_register_gpio("imx2-gpio", 2, MX27_GPIO3_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); > + mxc_register_gpio("imx2-gpio", 3, MX27_GPIO4_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); > + mxc_register_gpio("imx2-gpio", 4, MX27_GPIO5_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); > + mxc_register_gpio("imx2-gpio", 5, MX27_GPIO6_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); > > imx_add_imx_dma(); > } > diff --git a/arch/arm/mach-imx/mm-imx31.c b/arch/arm/mach-imx/mm-imx31.c > index a1ff96f..7017c4a 100644 > --- a/arch/arm/mach-imx/mm-imx31.c > +++ b/arch/arm/mach-imx/mm-imx31.c > @@ -78,9 +78,9 @@ void __init imx31_soc_init(void) > { > int to_version = mx31_revision() >> 4; > > - mxc_register_gpio(0, MX31_GPIO1_BASE_ADDR, SZ_16K, MX31_INT_GPIO1, 0); > - mxc_register_gpio(1, MX31_GPIO2_BASE_ADDR, SZ_16K, MX31_INT_GPIO2, 0); > - mxc_register_gpio(2, MX31_GPIO3_BASE_ADDR, SZ_16K, MX31_INT_GPIO3, 0); > + mxc_register_gpio("imx-gpio", 0, MX31_GPIO1_BASE_ADDR, SZ_16K, MX31_INT_GPIO1, 0); > + mxc_register_gpio("imx-gpio", 1, MX31_GPIO2_BASE_ADDR, SZ_16K, MX31_INT_GPIO2, 0); > + mxc_register_gpio("imx-gpio", 2, MX31_GPIO3_BASE_ADDR, SZ_16K, MX31_INT_GPIO3, 0); > > if (to_version == 1) { > strncpy(imx31_sdma_pdata.fw_name, "sdma-imx31-to1.bin", > diff --git a/arch/arm/mach-imx/mm-imx35.c b/arch/arm/mach-imx/mm-imx35.c > index da530ca..568a5c6 100644 > --- a/arch/arm/mach-imx/mm-imx35.c > +++ b/arch/arm/mach-imx/mm-imx35.c > @@ -95,9 +95,9 @@ void __init imx35_soc_init(void) > { > int to_version = mx35_revision() >> 4; > > - mxc_register_gpio(0, MX35_GPIO1_BASE_ADDR, SZ_16K, MX35_INT_GPIO1, 0); > - mxc_register_gpio(1, MX35_GPIO2_BASE_ADDR, SZ_16K, MX35_INT_GPIO2, 0); > - mxc_register_gpio(2, MX35_GPIO3_BASE_ADDR, SZ_16K, MX35_INT_GPIO3, 0); > + mxc_register_gpio("imx-gpio", 0, MX35_GPIO1_BASE_ADDR, SZ_16K, MX35_INT_GPIO1, 0); > + mxc_register_gpio("imx-gpio", 1, MX35_GPIO2_BASE_ADDR, SZ_16K, MX35_INT_GPIO2, 0); > + mxc_register_gpio("imx-gpio", 2, MX35_GPIO3_BASE_ADDR, SZ_16K, MX35_INT_GPIO3, 0); > > if (to_version == 1) { > strncpy(imx35_sdma_pdata.fw_name, "sdma-imx35-to1.bin", > diff --git a/arch/arm/mach-mx5/mm-mx50.c b/arch/arm/mach-mx5/mm-mx50.c > index 28c3f60..39e4a17 100644 > --- a/arch/arm/mach-mx5/mm-mx50.c > +++ b/arch/arm/mach-mx5/mm-mx50.c > @@ -62,10 +62,10 @@ void __init mx50_init_irq(void) > > void __init imx50_soc_init(void) > { > - mxc_register_gpio(0, MX50_GPIO1_BASE_ADDR, SZ_16K, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH); > - mxc_register_gpio(1, MX50_GPIO2_BASE_ADDR, SZ_16K, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH); > - mxc_register_gpio(2, MX50_GPIO3_BASE_ADDR, SZ_16K, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH); > - mxc_register_gpio(3, MX50_GPIO4_BASE_ADDR, SZ_16K, MX50_INT_GPIO4_LOW, MX50_INT_GPIO4_HIGH); > - mxc_register_gpio(4, MX50_GPIO5_BASE_ADDR, SZ_16K, MX50_INT_GPIO5_LOW, MX50_INT_GPIO5_HIGH); > - mxc_register_gpio(5, MX50_GPIO6_BASE_ADDR, SZ_16K, MX50_INT_GPIO6_LOW, MX50_INT_GPIO6_HIGH); > + mxc_register_gpio("imx-gpio", 0, MX50_GPIO1_BASE_ADDR, SZ_16K, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH); > + mxc_register_gpio("imx-gpio", 1, MX50_GPIO2_BASE_ADDR, SZ_16K, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH); > + mxc_register_gpio("imx-gpio", 2, MX50_GPIO3_BASE_ADDR, SZ_16K, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH); > + mxc_register_gpio("imx-gpio", 3, MX50_GPIO4_BASE_ADDR, SZ_16K, MX50_INT_GPIO4_LOW, MX50_INT_GPIO4_HIGH); > + mxc_register_gpio("imx-gpio", 4, MX50_GPIO5_BASE_ADDR, SZ_16K, MX50_INT_GPIO5_LOW, MX50_INT_GPIO5_HIGH); > + mxc_register_gpio("imx-gpio", 5, MX50_GPIO6_BASE_ADDR, SZ_16K, MX50_INT_GPIO6_LOW, MX50_INT_GPIO6_HIGH); > } > diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c > index 1b7059f..1444140 100644 > --- a/arch/arm/mach-mx5/mm.c > +++ b/arch/arm/mach-mx5/mm.c > @@ -142,23 +142,23 @@ static struct sdma_platform_data imx53_sdma_pdata __initdata = { > > void __init imx51_soc_init(void) > { > - mxc_register_gpio(0, MX51_GPIO1_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO1_LOW, MX51_MXC_INT_GPIO1_HIGH); > - mxc_register_gpio(1, MX51_GPIO2_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO2_LOW, MX51_MXC_INT_GPIO2_HIGH); > - mxc_register_gpio(2, MX51_GPIO3_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO3_LOW, MX51_MXC_INT_GPIO3_HIGH); > - mxc_register_gpio(3, MX51_GPIO4_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO4_LOW, MX51_MXC_INT_GPIO4_HIGH); > + mxc_register_gpio("imx-gpio", 0, MX51_GPIO1_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO1_LOW, MX51_MXC_INT_GPIO1_HIGH); > + mxc_register_gpio("imx-gpio", 1, MX51_GPIO2_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO2_LOW, MX51_MXC_INT_GPIO2_HIGH); > + mxc_register_gpio("imx-gpio", 2, MX51_GPIO3_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO3_LOW, MX51_MXC_INT_GPIO3_HIGH); > + mxc_register_gpio("imx-gpio", 3, MX51_GPIO4_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO4_LOW, MX51_MXC_INT_GPIO4_HIGH); > > imx_add_imx_sdma(MX51_SDMA_BASE_ADDR, MX51_INT_SDMA, &imx51_sdma_pdata); > } > > void __init imx53_soc_init(void) > { > - mxc_register_gpio(0, MX53_GPIO1_BASE_ADDR, SZ_16K, MX53_INT_GPIO1_LOW, MX53_INT_GPIO1_HIGH); > - mxc_register_gpio(1, MX53_GPIO2_BASE_ADDR, SZ_16K, MX53_INT_GPIO2_LOW, MX53_INT_GPIO2_HIGH); > - mxc_register_gpio(2, MX53_GPIO3_BASE_ADDR, SZ_16K, MX53_INT_GPIO3_LOW, MX53_INT_GPIO3_HIGH); > - mxc_register_gpio(3, MX53_GPIO4_BASE_ADDR, SZ_16K, MX53_INT_GPIO4_LOW, MX53_INT_GPIO4_HIGH); > - mxc_register_gpio(4, MX53_GPIO5_BASE_ADDR, SZ_16K, MX53_INT_GPIO5_LOW, MX53_INT_GPIO5_HIGH); > - mxc_register_gpio(5, MX53_GPIO6_BASE_ADDR, SZ_16K, MX53_INT_GPIO6_LOW, MX53_INT_GPIO6_HIGH); > - mxc_register_gpio(6, MX53_GPIO7_BASE_ADDR, SZ_16K, MX53_INT_GPIO7_LOW, MX53_INT_GPIO7_HIGH); > + mxc_register_gpio("imx-gpio", 0, MX53_GPIO1_BASE_ADDR, SZ_16K, MX53_INT_GPIO1_LOW, MX53_INT_GPIO1_HIGH); > + mxc_register_gpio("imx-gpio", 1, MX53_GPIO2_BASE_ADDR, SZ_16K, MX53_INT_GPIO2_LOW, MX53_INT_GPIO2_HIGH); > + mxc_register_gpio("imx-gpio", 2, MX53_GPIO3_BASE_ADDR, SZ_16K, MX53_INT_GPIO3_LOW, MX53_INT_GPIO3_HIGH); > + mxc_register_gpio("imx-gpio", 3, MX53_GPIO4_BASE_ADDR, SZ_16K, MX53_INT_GPIO4_LOW, MX53_INT_GPIO4_HIGH); > + mxc_register_gpio("imx-gpio", 4, MX53_GPIO5_BASE_ADDR, SZ_16K, MX53_INT_GPIO5_LOW, MX53_INT_GPIO5_HIGH); > + mxc_register_gpio("imx-gpio", 5, MX53_GPIO6_BASE_ADDR, SZ_16K, MX53_INT_GPIO6_LOW, MX53_INT_GPIO6_HIGH); > + mxc_register_gpio("imx-gpio", 6, MX53_GPIO7_BASE_ADDR, SZ_16K, MX53_INT_GPIO7_LOW, MX53_INT_GPIO7_HIGH); > > imx_add_imx_sdma(MX53_SDMA_BASE_ADDR, MX53_INT_SDMA, &imx53_sdma_pdata); > } > diff --git a/arch/arm/plat-mxc/devices/platform-gpio-mxc.c b/arch/arm/plat-mxc/devices/platform-gpio-mxc.c > index cf1b7fd..a7919a2 100644 > --- a/arch/arm/plat-mxc/devices/platform-gpio-mxc.c > +++ b/arch/arm/plat-mxc/devices/platform-gpio-mxc.c > @@ -8,7 +8,7 @@ > */ > #include <mach/devices-common.h> > > -struct platform_device *__init mxc_register_gpio(int id, > +struct platform_device *__init mxc_register_gpio(char *name, int id, > resource_size_t iobase, resource_size_t iosize, int irq, int irq_high) > { > struct resource res[] = { > @@ -28,5 +28,5 @@ struct platform_device *__init mxc_register_gpio(int id, > }; > > return platform_device_register_resndata(&mxc_aips_bus, > - "gpio-mxc", id, res, ARRAY_SIZE(res), NULL, 0); > + name, id, res, ARRAY_SIZE(res), NULL, 0); > } > diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h > index 91fa263..4e3d978 100644 > --- a/arch/arm/plat-mxc/include/mach/common.h > +++ b/arch/arm/plat-mxc/include/mach/common.h > @@ -64,7 +64,7 @@ extern int mx51_clocks_init(unsigned long ckil, unsigned long osc, > unsigned long ckih1, unsigned long ckih2); > extern int mx53_clocks_init(unsigned long ckil, unsigned long osc, > unsigned long ckih1, unsigned long ckih2); > -extern struct platform_device *mxc_register_gpio(int id, > +extern struct platform_device *mxc_register_gpio(char *name, int id, > resource_size_t iobase, resource_size_t iosize, int irq, int irq_high); > extern int mxc_register_device(struct platform_device *pdev, void *data); > extern void mxc_set_cpu_type(unsigned int type); > diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c > index 8241680..4875690 100644 > --- a/drivers/gpio/gpio-mxc.c > +++ b/drivers/gpio/gpio-mxc.c > @@ -27,9 +27,29 @@ > #include <linux/platform_device.h> > #include <linux/slab.h> > #include <linux/basic_mmio_gpio.h> > -#include <mach/hardware.h> > #include <asm-generic/bug.h> > > +enum mxc_gpio_hwtype { > + IMX1_GPIO = 1, > + IMX2_GPIO, > + IMX_GPIO, > +}; > + > +/* device type dependent stuff */ > +struct mxc_gpio_hwdata { > + unsigned dr_reg; > + unsigned gdir_reg; > + unsigned psr_reg; > + unsigned icr1_reg; > + unsigned icr2_reg; > + unsigned imr_reg; > + unsigned isr_reg; > + unsigned low_level; > + unsigned high_level; > + unsigned rise_edge; > + unsigned fall_edge; > +}; > + > struct mxc_gpio_port { > struct list_head node; > void __iomem *base; > @@ -40,6 +60,72 @@ struct mxc_gpio_port { > u32 both_edges; > }; > > +static struct mxc_gpio_hwdata imx1_imx2_gpio_hwdata = { > + .dr_reg = 0x1c, > + .gdir_reg = 0x00, > + .psr_reg = 0x24, > + .icr1_reg = 0x28, > + .icr2_reg = 0x2c, > + .imr_reg = 0x30, > + .isr_reg = 0x34, > + .low_level = 0x03, > + .high_level = 0x02, > + .rise_edge = 0x00, > + .fall_edge = 0x01, > +}; > + > +static struct mxc_gpio_hwdata imx_gpio_hwdata = { > + .dr_reg = 0x00, > + .gdir_reg = 0x04, > + .psr_reg = 0x08, > + .icr1_reg = 0x0c, > + .icr2_reg = 0x10, > + .imr_reg = 0x14, > + .isr_reg = 0x18, > + .low_level = 0x00, > + .high_level = 0x01, > + .rise_edge = 0x02, > + .fall_edge = 0x03, > +}; > + > +static enum mxc_gpio_hwtype mxc_gpio_hwtype; > +static struct mxc_gpio_hwdata *mxc_gpio_hwdata; > + > +#define GPIO_DR (mxc_gpio_hwdata->dr_reg) > +#define GPIO_GDIR (mxc_gpio_hwdata->gdir_reg) > +#define GPIO_PSR (mxc_gpio_hwdata->psr_reg) > +#define GPIO_ICR1 (mxc_gpio_hwdata->icr1_reg) > +#define GPIO_ICR2 (mxc_gpio_hwdata->icr2_reg) > +#define GPIO_IMR (mxc_gpio_hwdata->imr_reg) > +#define GPIO_ISR (mxc_gpio_hwdata->isr_reg) > + > +#define GPIO_INT_LOW_LEV (mxc_gpio_hwdata->low_level) > +#define GPIO_INT_HIGH_LEV (mxc_gpio_hwdata->high_level) > +#define GPIO_INT_RISE_EDGE (mxc_gpio_hwdata->rise_edge) > +#define GPIO_INT_FALL_EDGE (mxc_gpio_hwdata->fall_edge) > +#define GPIO_INT_NONE 0x4 > + > +static struct platform_device_id mxc_gpio_devtype[] = { > + { > + .name = "imx1-gpio", > + .driver_data = IMX1_GPIO, > + }, { > + .name = "imx21-gpio", > + .driver_data = IMX2_GPIO, > + }, { > + .name = "imx25-gpio", > + .driver_data = IMX_GPIO, > + }, { > + .name = "imx27-gpio", > + .driver_data = IMX2_GPIO, > + }, { > + .name = "imx-gpio", > + .driver_data = IMX_GPIO, > + }, { > + /* sentinel */ > + } > +}; > + > /* > * MX2 has one interrupt *for all* gpio ports. The list is used > * to save the references to all ports, so that mx2_gpio_irq_handler > @@ -47,22 +133,6 @@ struct mxc_gpio_port { > */ > static LIST_HEAD(mxc_gpio_ports); > > -#define cpu_is_mx1_mx2() (cpu_is_mx1() || cpu_is_mx2()) > - > -#define GPIO_DR (cpu_is_mx1_mx2() ? 0x1c : 0x00) > -#define GPIO_GDIR (cpu_is_mx1_mx2() ? 0x00 : 0x04) > -#define GPIO_PSR (cpu_is_mx1_mx2() ? 0x24 : 0x08) > -#define GPIO_ICR1 (cpu_is_mx1_mx2() ? 0x28 : 0x0C) > -#define GPIO_ICR2 (cpu_is_mx1_mx2() ? 0x2C : 0x10) > -#define GPIO_IMR (cpu_is_mx1_mx2() ? 0x30 : 0x14) > -#define GPIO_ISR (cpu_is_mx1_mx2() ? 0x34 : 0x18) > - > -#define GPIO_INT_LOW_LEV (cpu_is_mx1_mx2() ? 0x3 : 0x0) > -#define GPIO_INT_HIGH_LEV (cpu_is_mx1_mx2() ? 0x2 : 0x1) > -#define GPIO_INT_RISE_EDGE (cpu_is_mx1_mx2() ? 0x0 : 0x2) > -#define GPIO_INT_FALL_EDGE (cpu_is_mx1_mx2() ? 0x1 : 0x3) > -#define GPIO_INT_NONE 0x4 > - > /* Note: This driver assumes 32 GPIOs are handled in one register */ > > static int gpio_set_irq_type(struct irq_data *d, u32 type) > @@ -236,6 +306,28 @@ static void __init mxc_gpio_init_gc(struct mxc_gpio_port *port) > IRQ_NOREQUEST, 0); > } > > +static void __devinit mxc_gpio_get_hw(struct platform_device *pdev) > +{ > + enum mxc_gpio_hwtype hwtype = pdev->id_entry->driver_data; > + > + if (mxc_gpio_hwtype) { > + /* > + * The driver works with a reasonable presupposition, > + * that is all gpio ports must be the same type when > + * running on one soc. > + */ > + BUG_ON(mxc_gpio_hwtype != hwtype); > + return; > + } > + > + if (hwtype == IMX1_GPIO || hwtype == IMX2_GPIO) > + mxc_gpio_hwdata = &imx1_imx2_gpio_hwdata; > + else > + mxc_gpio_hwdata = &imx_gpio_hwdata; > + > + mxc_gpio_hwtype = hwtype; > +} > + > static int __devinit mxc_gpio_probe(struct platform_device *pdev) > { > struct mxc_gpio_port *port; > @@ -243,6 +335,8 @@ static int __devinit mxc_gpio_probe(struct platform_device *pdev) > static int once = 0; > int err; > > + mxc_gpio_get_hw(pdev); > + > port = kzalloc(sizeof(struct mxc_gpio_port), GFP_KERNEL); > if (!port) > return -ENOMEM; > @@ -276,7 +370,7 @@ static int __devinit mxc_gpio_probe(struct platform_device *pdev) > writel(0, port->base + GPIO_IMR); > writel(~0, port->base + GPIO_ISR); > > - if (cpu_is_mx2()) { > + if (mxc_gpio_hwtype == IMX2_GPIO) { > /* setup one handler for all GPIO interrupts */ > if (!once) { > irq_set_chained_handler(port->irq, > @@ -334,6 +428,7 @@ static struct platform_driver mxc_gpio_driver = { > .owner = THIS_MODULE, > }, > .probe = mxc_gpio_probe, > + .id_table = mxc_gpio_devtype, > }; > > static int __init gpio_mxc_init(void) > -- > 1.7.4.1 > > >
diff --git a/arch/arm/mach-imx/mm-imx1.c b/arch/arm/mach-imx/mm-imx1.c index f2a6566..2bded59 100644 --- a/arch/arm/mach-imx/mm-imx1.c +++ b/arch/arm/mach-imx/mm-imx1.c @@ -50,12 +50,12 @@ void __init mx1_init_irq(void) void __init imx1_soc_init(void) { - mxc_register_gpio(0, MX1_GPIO1_BASE_ADDR, SZ_256, + mxc_register_gpio("imx1-gpio", 0, MX1_GPIO1_BASE_ADDR, SZ_256, MX1_GPIO_INT_PORTA, 0); - mxc_register_gpio(1, MX1_GPIO2_BASE_ADDR, SZ_256, + mxc_register_gpio("imx1-gpio", 1, MX1_GPIO2_BASE_ADDR, SZ_256, MX1_GPIO_INT_PORTB, 0); - mxc_register_gpio(2, MX1_GPIO3_BASE_ADDR, SZ_256, + mxc_register_gpio("imx1-gpio", 2, MX1_GPIO3_BASE_ADDR, SZ_256, MX1_GPIO_INT_PORTC, 0); - mxc_register_gpio(3, MX1_GPIO4_BASE_ADDR, SZ_256, + mxc_register_gpio("imx1-gpio", 3, MX1_GPIO4_BASE_ADDR, SZ_256, MX1_GPIO_INT_PORTD, 0); } diff --git a/arch/arm/mach-imx/mm-imx21.c b/arch/arm/mach-imx/mm-imx21.c index 4f32a8a..d02e20d 100644 --- a/arch/arm/mach-imx/mm-imx21.c +++ b/arch/arm/mach-imx/mm-imx21.c @@ -77,12 +77,12 @@ void __init mx21_init_irq(void) void __init imx21_soc_init(void) { - mxc_register_gpio(0, MX21_GPIO1_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); - mxc_register_gpio(1, MX21_GPIO2_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); - mxc_register_gpio(2, MX21_GPIO3_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); - mxc_register_gpio(3, MX21_GPIO4_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); - mxc_register_gpio(4, MX21_GPIO5_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); - mxc_register_gpio(5, MX21_GPIO6_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); + mxc_register_gpio("imx2-gpio", 0, MX21_GPIO1_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); + mxc_register_gpio("imx2-gpio", 1, MX21_GPIO2_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); + mxc_register_gpio("imx2-gpio", 2, MX21_GPIO3_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); + mxc_register_gpio("imx2-gpio", 3, MX21_GPIO4_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); + mxc_register_gpio("imx2-gpio", 4, MX21_GPIO5_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); + mxc_register_gpio("imx2-gpio", 5, MX21_GPIO6_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); imx_add_imx_dma(); } diff --git a/arch/arm/mach-imx/mm-imx25.c b/arch/arm/mach-imx/mm-imx25.c index 1e0c956..65099e6 100644 --- a/arch/arm/mach-imx/mm-imx25.c +++ b/arch/arm/mach-imx/mm-imx25.c @@ -86,10 +86,10 @@ static struct sdma_platform_data imx25_sdma_pdata __initdata = { void __init imx25_soc_init(void) { - mxc_register_gpio(0, MX25_GPIO1_BASE_ADDR, SZ_16K, MX25_INT_GPIO1, 0); - mxc_register_gpio(1, MX25_GPIO2_BASE_ADDR, SZ_16K, MX25_INT_GPIO2, 0); - mxc_register_gpio(2, MX25_GPIO3_BASE_ADDR, SZ_16K, MX25_INT_GPIO3, 0); - mxc_register_gpio(3, MX25_GPIO4_BASE_ADDR, SZ_16K, MX25_INT_GPIO4, 0); + mxc_register_gpio("imx25-gpio", 0, MX25_GPIO1_BASE_ADDR, SZ_16K, MX25_INT_GPIO1, 0); + mxc_register_gpio("imx25-gpio", 1, MX25_GPIO2_BASE_ADDR, SZ_16K, MX25_INT_GPIO2, 0); + mxc_register_gpio("imx25-gpio", 2, MX25_GPIO3_BASE_ADDR, SZ_16K, MX25_INT_GPIO3, 0); + mxc_register_gpio("imx25-gpio", 3, MX25_GPIO4_BASE_ADDR, SZ_16K, MX25_INT_GPIO4, 0); imx_add_imx_sdma(MX25_SDMA_BASE_ADDR, MX25_INT_SDMA, &imx25_sdma_pdata); } diff --git a/arch/arm/mach-imx/mm-imx27.c b/arch/arm/mach-imx/mm-imx27.c index 944e02d..5a62969 100644 --- a/arch/arm/mach-imx/mm-imx27.c +++ b/arch/arm/mach-imx/mm-imx27.c @@ -77,12 +77,12 @@ void __init mx27_init_irq(void) void __init imx27_soc_init(void) { - mxc_register_gpio(0, MX27_GPIO1_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); - mxc_register_gpio(1, MX27_GPIO2_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); - mxc_register_gpio(2, MX27_GPIO3_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); - mxc_register_gpio(3, MX27_GPIO4_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); - mxc_register_gpio(4, MX27_GPIO5_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); - mxc_register_gpio(5, MX27_GPIO6_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); + mxc_register_gpio("imx2-gpio", 0, MX27_GPIO1_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); + mxc_register_gpio("imx2-gpio", 1, MX27_GPIO2_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); + mxc_register_gpio("imx2-gpio", 2, MX27_GPIO3_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); + mxc_register_gpio("imx2-gpio", 3, MX27_GPIO4_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); + mxc_register_gpio("imx2-gpio", 4, MX27_GPIO5_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); + mxc_register_gpio("imx2-gpio", 5, MX27_GPIO6_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); imx_add_imx_dma(); } diff --git a/arch/arm/mach-imx/mm-imx31.c b/arch/arm/mach-imx/mm-imx31.c index a1ff96f..7017c4a 100644 --- a/arch/arm/mach-imx/mm-imx31.c +++ b/arch/arm/mach-imx/mm-imx31.c @@ -78,9 +78,9 @@ void __init imx31_soc_init(void) { int to_version = mx31_revision() >> 4; - mxc_register_gpio(0, MX31_GPIO1_BASE_ADDR, SZ_16K, MX31_INT_GPIO1, 0); - mxc_register_gpio(1, MX31_GPIO2_BASE_ADDR, SZ_16K, MX31_INT_GPIO2, 0); - mxc_register_gpio(2, MX31_GPIO3_BASE_ADDR, SZ_16K, MX31_INT_GPIO3, 0); + mxc_register_gpio("imx-gpio", 0, MX31_GPIO1_BASE_ADDR, SZ_16K, MX31_INT_GPIO1, 0); + mxc_register_gpio("imx-gpio", 1, MX31_GPIO2_BASE_ADDR, SZ_16K, MX31_INT_GPIO2, 0); + mxc_register_gpio("imx-gpio", 2, MX31_GPIO3_BASE_ADDR, SZ_16K, MX31_INT_GPIO3, 0); if (to_version == 1) { strncpy(imx31_sdma_pdata.fw_name, "sdma-imx31-to1.bin", diff --git a/arch/arm/mach-imx/mm-imx35.c b/arch/arm/mach-imx/mm-imx35.c index da530ca..568a5c6 100644 --- a/arch/arm/mach-imx/mm-imx35.c +++ b/arch/arm/mach-imx/mm-imx35.c @@ -95,9 +95,9 @@ void __init imx35_soc_init(void) { int to_version = mx35_revision() >> 4; - mxc_register_gpio(0, MX35_GPIO1_BASE_ADDR, SZ_16K, MX35_INT_GPIO1, 0); - mxc_register_gpio(1, MX35_GPIO2_BASE_ADDR, SZ_16K, MX35_INT_GPIO2, 0); - mxc_register_gpio(2, MX35_GPIO3_BASE_ADDR, SZ_16K, MX35_INT_GPIO3, 0); + mxc_register_gpio("imx-gpio", 0, MX35_GPIO1_BASE_ADDR, SZ_16K, MX35_INT_GPIO1, 0); + mxc_register_gpio("imx-gpio", 1, MX35_GPIO2_BASE_ADDR, SZ_16K, MX35_INT_GPIO2, 0); + mxc_register_gpio("imx-gpio", 2, MX35_GPIO3_BASE_ADDR, SZ_16K, MX35_INT_GPIO3, 0); if (to_version == 1) { strncpy(imx35_sdma_pdata.fw_name, "sdma-imx35-to1.bin", diff --git a/arch/arm/mach-mx5/mm-mx50.c b/arch/arm/mach-mx5/mm-mx50.c index 28c3f60..39e4a17 100644 --- a/arch/arm/mach-mx5/mm-mx50.c +++ b/arch/arm/mach-mx5/mm-mx50.c @@ -62,10 +62,10 @@ void __init mx50_init_irq(void) void __init imx50_soc_init(void) { - mxc_register_gpio(0, MX50_GPIO1_BASE_ADDR, SZ_16K, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH); - mxc_register_gpio(1, MX50_GPIO2_BASE_ADDR, SZ_16K, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH); - mxc_register_gpio(2, MX50_GPIO3_BASE_ADDR, SZ_16K, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH); - mxc_register_gpio(3, MX50_GPIO4_BASE_ADDR, SZ_16K, MX50_INT_GPIO4_LOW, MX50_INT_GPIO4_HIGH); - mxc_register_gpio(4, MX50_GPIO5_BASE_ADDR, SZ_16K, MX50_INT_GPIO5_LOW, MX50_INT_GPIO5_HIGH); - mxc_register_gpio(5, MX50_GPIO6_BASE_ADDR, SZ_16K, MX50_INT_GPIO6_LOW, MX50_INT_GPIO6_HIGH); + mxc_register_gpio("imx-gpio", 0, MX50_GPIO1_BASE_ADDR, SZ_16K, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH); + mxc_register_gpio("imx-gpio", 1, MX50_GPIO2_BASE_ADDR, SZ_16K, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH); + mxc_register_gpio("imx-gpio", 2, MX50_GPIO3_BASE_ADDR, SZ_16K, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH); + mxc_register_gpio("imx-gpio", 3, MX50_GPIO4_BASE_ADDR, SZ_16K, MX50_INT_GPIO4_LOW, MX50_INT_GPIO4_HIGH); + mxc_register_gpio("imx-gpio", 4, MX50_GPIO5_BASE_ADDR, SZ_16K, MX50_INT_GPIO5_LOW, MX50_INT_GPIO5_HIGH); + mxc_register_gpio("imx-gpio", 5, MX50_GPIO6_BASE_ADDR, SZ_16K, MX50_INT_GPIO6_LOW, MX50_INT_GPIO6_HIGH); } diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c index 1b7059f..1444140 100644 --- a/arch/arm/mach-mx5/mm.c +++ b/arch/arm/mach-mx5/mm.c @@ -142,23 +142,23 @@ static struct sdma_platform_data imx53_sdma_pdata __initdata = { void __init imx51_soc_init(void) { - mxc_register_gpio(0, MX51_GPIO1_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO1_LOW, MX51_MXC_INT_GPIO1_HIGH); - mxc_register_gpio(1, MX51_GPIO2_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO2_LOW, MX51_MXC_INT_GPIO2_HIGH); - mxc_register_gpio(2, MX51_GPIO3_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO3_LOW, MX51_MXC_INT_GPIO3_HIGH); - mxc_register_gpio(3, MX51_GPIO4_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO4_LOW, MX51_MXC_INT_GPIO4_HIGH); + mxc_register_gpio("imx-gpio", 0, MX51_GPIO1_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO1_LOW, MX51_MXC_INT_GPIO1_HIGH); + mxc_register_gpio("imx-gpio", 1, MX51_GPIO2_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO2_LOW, MX51_MXC_INT_GPIO2_HIGH); + mxc_register_gpio("imx-gpio", 2, MX51_GPIO3_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO3_LOW, MX51_MXC_INT_GPIO3_HIGH); + mxc_register_gpio("imx-gpio", 3, MX51_GPIO4_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO4_LOW, MX51_MXC_INT_GPIO4_HIGH); imx_add_imx_sdma(MX51_SDMA_BASE_ADDR, MX51_INT_SDMA, &imx51_sdma_pdata); } void __init imx53_soc_init(void) { - mxc_register_gpio(0, MX53_GPIO1_BASE_ADDR, SZ_16K, MX53_INT_GPIO1_LOW, MX53_INT_GPIO1_HIGH); - mxc_register_gpio(1, MX53_GPIO2_BASE_ADDR, SZ_16K, MX53_INT_GPIO2_LOW, MX53_INT_GPIO2_HIGH); - mxc_register_gpio(2, MX53_GPIO3_BASE_ADDR, SZ_16K, MX53_INT_GPIO3_LOW, MX53_INT_GPIO3_HIGH); - mxc_register_gpio(3, MX53_GPIO4_BASE_ADDR, SZ_16K, MX53_INT_GPIO4_LOW, MX53_INT_GPIO4_HIGH); - mxc_register_gpio(4, MX53_GPIO5_BASE_ADDR, SZ_16K, MX53_INT_GPIO5_LOW, MX53_INT_GPIO5_HIGH); - mxc_register_gpio(5, MX53_GPIO6_BASE_ADDR, SZ_16K, MX53_INT_GPIO6_LOW, MX53_INT_GPIO6_HIGH); - mxc_register_gpio(6, MX53_GPIO7_BASE_ADDR, SZ_16K, MX53_INT_GPIO7_LOW, MX53_INT_GPIO7_HIGH); + mxc_register_gpio("imx-gpio", 0, MX53_GPIO1_BASE_ADDR, SZ_16K, MX53_INT_GPIO1_LOW, MX53_INT_GPIO1_HIGH); + mxc_register_gpio("imx-gpio", 1, MX53_GPIO2_BASE_ADDR, SZ_16K, MX53_INT_GPIO2_LOW, MX53_INT_GPIO2_HIGH); + mxc_register_gpio("imx-gpio", 2, MX53_GPIO3_BASE_ADDR, SZ_16K, MX53_INT_GPIO3_LOW, MX53_INT_GPIO3_HIGH); + mxc_register_gpio("imx-gpio", 3, MX53_GPIO4_BASE_ADDR, SZ_16K, MX53_INT_GPIO4_LOW, MX53_INT_GPIO4_HIGH); + mxc_register_gpio("imx-gpio", 4, MX53_GPIO5_BASE_ADDR, SZ_16K, MX53_INT_GPIO5_LOW, MX53_INT_GPIO5_HIGH); + mxc_register_gpio("imx-gpio", 5, MX53_GPIO6_BASE_ADDR, SZ_16K, MX53_INT_GPIO6_LOW, MX53_INT_GPIO6_HIGH); + mxc_register_gpio("imx-gpio", 6, MX53_GPIO7_BASE_ADDR, SZ_16K, MX53_INT_GPIO7_LOW, MX53_INT_GPIO7_HIGH); imx_add_imx_sdma(MX53_SDMA_BASE_ADDR, MX53_INT_SDMA, &imx53_sdma_pdata); } diff --git a/arch/arm/plat-mxc/devices/platform-gpio-mxc.c b/arch/arm/plat-mxc/devices/platform-gpio-mxc.c index cf1b7fd..a7919a2 100644 --- a/arch/arm/plat-mxc/devices/platform-gpio-mxc.c +++ b/arch/arm/plat-mxc/devices/platform-gpio-mxc.c @@ -8,7 +8,7 @@ */ #include <mach/devices-common.h> -struct platform_device *__init mxc_register_gpio(int id, +struct platform_device *__init mxc_register_gpio(char *name, int id, resource_size_t iobase, resource_size_t iosize, int irq, int irq_high) { struct resource res[] = { @@ -28,5 +28,5 @@ struct platform_device *__init mxc_register_gpio(int id, }; return platform_device_register_resndata(&mxc_aips_bus, - "gpio-mxc", id, res, ARRAY_SIZE(res), NULL, 0); + name, id, res, ARRAY_SIZE(res), NULL, 0); } diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h index 91fa263..4e3d978 100644 --- a/arch/arm/plat-mxc/include/mach/common.h +++ b/arch/arm/plat-mxc/include/mach/common.h @@ -64,7 +64,7 @@ extern int mx51_clocks_init(unsigned long ckil, unsigned long osc, unsigned long ckih1, unsigned long ckih2); extern int mx53_clocks_init(unsigned long ckil, unsigned long osc, unsigned long ckih1, unsigned long ckih2); -extern struct platform_device *mxc_register_gpio(int id, +extern struct platform_device *mxc_register_gpio(char *name, int id, resource_size_t iobase, resource_size_t iosize, int irq, int irq_high); extern int mxc_register_device(struct platform_device *pdev, void *data); extern void mxc_set_cpu_type(unsigned int type); diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c index 8241680..4875690 100644 --- a/drivers/gpio/gpio-mxc.c +++ b/drivers/gpio/gpio-mxc.c @@ -27,9 +27,29 @@ #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/basic_mmio_gpio.h> -#include <mach/hardware.h> #include <asm-generic/bug.h> +enum mxc_gpio_hwtype { + IMX1_GPIO = 1, + IMX2_GPIO, + IMX_GPIO, +}; + +/* device type dependent stuff */ +struct mxc_gpio_hwdata { + unsigned dr_reg; + unsigned gdir_reg; + unsigned psr_reg; + unsigned icr1_reg; + unsigned icr2_reg; + unsigned imr_reg; + unsigned isr_reg; + unsigned low_level; + unsigned high_level; + unsigned rise_edge; + unsigned fall_edge; +}; + struct mxc_gpio_port { struct list_head node; void __iomem *base; @@ -40,6 +60,72 @@ struct mxc_gpio_port { u32 both_edges; }; +static struct mxc_gpio_hwdata imx1_imx2_gpio_hwdata = { + .dr_reg = 0x1c, + .gdir_reg = 0x00, + .psr_reg = 0x24, + .icr1_reg = 0x28, + .icr2_reg = 0x2c, + .imr_reg = 0x30, + .isr_reg = 0x34, + .low_level = 0x03, + .high_level = 0x02, + .rise_edge = 0x00, + .fall_edge = 0x01, +}; + +static struct mxc_gpio_hwdata imx_gpio_hwdata = { + .dr_reg = 0x00, + .gdir_reg = 0x04, + .psr_reg = 0x08, + .icr1_reg = 0x0c, + .icr2_reg = 0x10, + .imr_reg = 0x14, + .isr_reg = 0x18, + .low_level = 0x00, + .high_level = 0x01, + .rise_edge = 0x02, + .fall_edge = 0x03, +}; + +static enum mxc_gpio_hwtype mxc_gpio_hwtype; +static struct mxc_gpio_hwdata *mxc_gpio_hwdata; + +#define GPIO_DR (mxc_gpio_hwdata->dr_reg) +#define GPIO_GDIR (mxc_gpio_hwdata->gdir_reg) +#define GPIO_PSR (mxc_gpio_hwdata->psr_reg) +#define GPIO_ICR1 (mxc_gpio_hwdata->icr1_reg) +#define GPIO_ICR2 (mxc_gpio_hwdata->icr2_reg) +#define GPIO_IMR (mxc_gpio_hwdata->imr_reg) +#define GPIO_ISR (mxc_gpio_hwdata->isr_reg) + +#define GPIO_INT_LOW_LEV (mxc_gpio_hwdata->low_level) +#define GPIO_INT_HIGH_LEV (mxc_gpio_hwdata->high_level) +#define GPIO_INT_RISE_EDGE (mxc_gpio_hwdata->rise_edge) +#define GPIO_INT_FALL_EDGE (mxc_gpio_hwdata->fall_edge) +#define GPIO_INT_NONE 0x4 + +static struct platform_device_id mxc_gpio_devtype[] = { + { + .name = "imx1-gpio", + .driver_data = IMX1_GPIO, + }, { + .name = "imx21-gpio", + .driver_data = IMX2_GPIO, + }, { + .name = "imx25-gpio", + .driver_data = IMX_GPIO, + }, { + .name = "imx27-gpio", + .driver_data = IMX2_GPIO, + }, { + .name = "imx-gpio", + .driver_data = IMX_GPIO, + }, { + /* sentinel */ + } +}; + /* * MX2 has one interrupt *for all* gpio ports. The list is used * to save the references to all ports, so that mx2_gpio_irq_handler @@ -47,22 +133,6 @@ struct mxc_gpio_port { */ static LIST_HEAD(mxc_gpio_ports); -#define cpu_is_mx1_mx2() (cpu_is_mx1() || cpu_is_mx2()) - -#define GPIO_DR (cpu_is_mx1_mx2() ? 0x1c : 0x00) -#define GPIO_GDIR (cpu_is_mx1_mx2() ? 0x00 : 0x04) -#define GPIO_PSR (cpu_is_mx1_mx2() ? 0x24 : 0x08) -#define GPIO_ICR1 (cpu_is_mx1_mx2() ? 0x28 : 0x0C) -#define GPIO_ICR2 (cpu_is_mx1_mx2() ? 0x2C : 0x10) -#define GPIO_IMR (cpu_is_mx1_mx2() ? 0x30 : 0x14) -#define GPIO_ISR (cpu_is_mx1_mx2() ? 0x34 : 0x18) - -#define GPIO_INT_LOW_LEV (cpu_is_mx1_mx2() ? 0x3 : 0x0) -#define GPIO_INT_HIGH_LEV (cpu_is_mx1_mx2() ? 0x2 : 0x1) -#define GPIO_INT_RISE_EDGE (cpu_is_mx1_mx2() ? 0x0 : 0x2) -#define GPIO_INT_FALL_EDGE (cpu_is_mx1_mx2() ? 0x1 : 0x3) -#define GPIO_INT_NONE 0x4 - /* Note: This driver assumes 32 GPIOs are handled in one register */ static int gpio_set_irq_type(struct irq_data *d, u32 type) @@ -236,6 +306,28 @@ static void __init mxc_gpio_init_gc(struct mxc_gpio_port *port) IRQ_NOREQUEST, 0); } +static void __devinit mxc_gpio_get_hw(struct platform_device *pdev) +{ + enum mxc_gpio_hwtype hwtype = pdev->id_entry->driver_data; + + if (mxc_gpio_hwtype) { + /* + * The driver works with a reasonable presupposition, + * that is all gpio ports must be the same type when + * running on one soc. + */ + BUG_ON(mxc_gpio_hwtype != hwtype); + return; + } + + if (hwtype == IMX1_GPIO || hwtype == IMX2_GPIO) + mxc_gpio_hwdata = &imx1_imx2_gpio_hwdata; + else + mxc_gpio_hwdata = &imx_gpio_hwdata; + + mxc_gpio_hwtype = hwtype; +} + static int __devinit mxc_gpio_probe(struct platform_device *pdev) { struct mxc_gpio_port *port; @@ -243,6 +335,8 @@ static int __devinit mxc_gpio_probe(struct platform_device *pdev) static int once = 0; int err; + mxc_gpio_get_hw(pdev); + port = kzalloc(sizeof(struct mxc_gpio_port), GFP_KERNEL); if (!port) return -ENOMEM; @@ -276,7 +370,7 @@ static int __devinit mxc_gpio_probe(struct platform_device *pdev) writel(0, port->base + GPIO_IMR); writel(~0, port->base + GPIO_ISR); - if (cpu_is_mx2()) { + if (mxc_gpio_hwtype == IMX2_GPIO) { /* setup one handler for all GPIO interrupts */ if (!once) { irq_set_chained_handler(port->irq, @@ -334,6 +428,7 @@ static struct platform_driver mxc_gpio_driver = { .owner = THIS_MODULE, }, .probe = mxc_gpio_probe, + .id_table = mxc_gpio_devtype, }; static int __init gpio_mxc_init(void)
The patch removes all the uses of cpu_is_mx(). Instead, it utilizes platform_device_id to distinguish the gpio differences among SoCs. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Sascha Hauer <s.hauer@pengutronix.de> --- arch/arm/mach-imx/mm-imx1.c | 8 +- arch/arm/mach-imx/mm-imx21.c | 12 +- arch/arm/mach-imx/mm-imx25.c | 8 +- arch/arm/mach-imx/mm-imx27.c | 12 +- arch/arm/mach-imx/mm-imx31.c | 6 +- arch/arm/mach-imx/mm-imx35.c | 6 +- arch/arm/mach-mx5/mm-mx50.c | 12 +- arch/arm/mach-mx5/mm.c | 22 ++-- arch/arm/plat-mxc/devices/platform-gpio-mxc.c | 4 +- arch/arm/plat-mxc/include/mach/common.h | 2 +- drivers/gpio/gpio-mxc.c | 131 +++++++++++++++++++++---- 11 files changed, 159 insertions(+), 64 deletions(-)