From f420db843b7756e5d0d052b00472c94154f50c93 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Fri, 19 Dec 2008 14:32:14 +0100 Subject: MX2: Add SPI devices/resources Signed-off-by: Sascha Hauer --- arch/arm/mach-mx2/devices.c | 68 +++++++++++++++++++++++++++++++++++++++++++++ arch/arm/mach-mx2/devices.h | 4 +++ 2 files changed, 72 insertions(+) diff --git a/arch/arm/mach-mx2/devices.c b/arch/arm/mach-mx2/devices.c index 4ecf0977beb..62810cbe4e3 100644 --- a/arch/arm/mach-mx2/devices.c +++ b/arch/arm/mach-mx2/devices.c @@ -39,6 +39,74 @@ #include "devices.h" +/* + * SPI master controller + * + * - i.MX1: 2 channel (slighly different register setting) + * - i.MX21: 2 channel + * - i.MX27: 3 channel + */ +static struct resource mxc_spi_resources0[] = { + { + .start = CSPI1_BASE_ADDR, + .end = CSPI1_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = MXC_INT_CSPI1, + .end = MXC_INT_CSPI1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource mxc_spi_resources1[] = { + { + .start = CSPI2_BASE_ADDR, + .end = CSPI2_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = MXC_INT_CSPI2, + .end = MXC_INT_CSPI2, + .flags = IORESOURCE_IRQ, + }, +}; + +#ifdef CONFIG_MACH_MX27 +static struct resource mxc_spi_resources2[] = { + { + .start = CSPI3_BASE_ADDR, + .end = CSPI3_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = MXC_INT_CSPI3, + .end = MXC_INT_CSPI3, + .flags = IORESOURCE_IRQ, + }, +}; +#endif + +struct platform_device mxc_spi_device0 = { + .name = "spi_imx", + .id = 0, + .num_resources = ARRAY_SIZE(mxc_spi_resources0), + .resource = mxc_spi_resources0, +}; + +struct platform_device mxc_spi_device1 = { + .name = "spi_imx", + .id = 1, + .num_resources = ARRAY_SIZE(mxc_spi_resources1), + .resource = mxc_spi_resources1, +}; + +#ifdef CONFIG_MACH_MX27 +struct platform_device mxc_spi_device2 = { + .name = "spi_imx", + .id = 2, + .num_resources = ARRAY_SIZE(mxc_spi_resources2), + .resource = mxc_spi_resources2, +}; +#endif + /* * General Purpose Timer * - i.MX21: 3 timers diff --git a/arch/arm/mach-mx2/devices.h b/arch/arm/mach-mx2/devices.h index 6e91b4e3509..d315406d672 100644 --- a/arch/arm/mach-mx2/devices.h +++ b/arch/arm/mach-mx2/devices.h @@ -23,3 +23,7 @@ extern struct platform_device mxc_otg_udc_device; extern struct platform_device mxc_otg_host; extern struct platform_device mxc_usbh1; extern struct platform_device mxc_usbh2; +extern struct platform_device mxc_spi_device0; +extern struct platform_device mxc_spi_device1; +extern struct platform_device mxc_spi_device2; + -- cgit v1.2.3