diff options
Diffstat (limited to 'arch/arm/mach-davinci/devices-da8xx.c')
-rw-r--r-- | arch/arm/mach-davinci/devices-da8xx.c | 87 |
1 files changed, 56 insertions, 31 deletions
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index add3771d38f6..7cf529ffbe5a 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -11,6 +11,7 @@ * (at your option) any later version. */ #include <linux/init.h> +#include <linux/platform_data/syscon.h> #include <linux/platform_device.h> #include <linux/dma-contiguous.h> #include <linux/serial_8250.h> @@ -23,6 +24,7 @@ #include <mach/common.h> #include <mach/time.h> #include <mach/da8xx.h> +#include <mach/clock.h> #include "cpuidle.h" #include "sram.h" @@ -57,15 +59,6 @@ #define DA8XX_EMAC_RAM_OFFSET 0x0000 #define DA8XX_EMAC_CTRL_RAM_SIZE SZ_8K -#define DA8XX_DMA_SPI0_RX EDMA_CTLR_CHAN(0, 14) -#define DA8XX_DMA_SPI0_TX EDMA_CTLR_CHAN(0, 15) -#define DA8XX_DMA_MMCSD0_RX EDMA_CTLR_CHAN(0, 16) -#define DA8XX_DMA_MMCSD0_TX EDMA_CTLR_CHAN(0, 17) -#define DA8XX_DMA_SPI1_RX EDMA_CTLR_CHAN(0, 18) -#define DA8XX_DMA_SPI1_TX EDMA_CTLR_CHAN(0, 19) -#define DA850_DMA_MMCSD1_RX EDMA_CTLR_CHAN(1, 28) -#define DA850_DMA_MMCSD1_TX EDMA_CTLR_CHAN(1, 29) - void __iomem *da8xx_syscfg0_base; void __iomem *da8xx_syscfg1_base; @@ -964,16 +957,6 @@ static struct resource da8xx_spi0_resources[] = { .end = IRQ_DA8XX_SPINT0, .flags = IORESOURCE_IRQ, }, - [2] = { - .start = DA8XX_DMA_SPI0_RX, - .end = DA8XX_DMA_SPI0_RX, - .flags = IORESOURCE_DMA, - }, - [3] = { - .start = DA8XX_DMA_SPI0_TX, - .end = DA8XX_DMA_SPI0_TX, - .flags = IORESOURCE_DMA, - }, }; static struct resource da8xx_spi1_resources[] = { @@ -987,16 +970,6 @@ static struct resource da8xx_spi1_resources[] = { .end = IRQ_DA8XX_SPINT1, .flags = IORESOURCE_IRQ, }, - [2] = { - .start = DA8XX_DMA_SPI1_RX, - .end = DA8XX_DMA_SPI1_RX, - .flags = IORESOURCE_DMA, - }, - [3] = { - .start = DA8XX_DMA_SPI1_TX, - .end = DA8XX_DMA_SPI1_TX, - .flags = IORESOURCE_DMA, - }, }; static struct davinci_spi_platform_data da8xx_spi_pdata[] = { @@ -1051,6 +1024,28 @@ int __init da8xx_register_spi_bus(int instance, unsigned num_chipselect) } #ifdef CONFIG_ARCH_DAVINCI_DA850 +static struct clk sata_refclk = { + .name = "sata_refclk", + .set_rate = davinci_simple_set_rate, +}; + +static struct clk_lookup sata_refclk_lookup = + CLK("ahci_da850", "refclk", &sata_refclk); + +int __init da850_register_sata_refclk(int rate) +{ + int ret; + + sata_refclk.rate = rate; + ret = clk_register(&sata_refclk); + if (ret) + return ret; + + clkdev_add(&sata_refclk_lookup); + + return 0; +} + static struct resource da850_sata_resources[] = { { .start = DA850_SATA_BASE, @@ -1083,9 +1078,39 @@ static struct platform_device da850_sata_device = { int __init da850_register_sata(unsigned long refclkpn) { - /* please see comment in drivers/ata/ahci_da850.c */ - BUG_ON(refclkpn != 100 * 1000 * 1000); + int ret; + + ret = da850_register_sata_refclk(refclkpn); + if (ret) + return ret; return platform_device_register(&da850_sata_device); } #endif + +static struct syscon_platform_data da8xx_cfgchip_platform_data = { + .label = "cfgchip", +}; + +static struct resource da8xx_cfgchip_resources[] = { + { + .start = DA8XX_SYSCFG0_BASE + DA8XX_CFGCHIP0_REG, + .end = DA8XX_SYSCFG0_BASE + DA8XX_CFGCHIP4_REG + 3, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device da8xx_cfgchip_device = { + .name = "syscon", + .id = -1, + .dev = { + .platform_data = &da8xx_cfgchip_platform_data, + }, + .num_resources = ARRAY_SIZE(da8xx_cfgchip_resources), + .resource = da8xx_cfgchip_resources, +}; + +int __init da8xx_register_cfgchip(void) +{ + return platform_device_register(&da8xx_cfgchip_device); +} |