Merge branch 'davinci-next' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci into devel-stable

1 files changed, 117 insertions, 8 deletions

diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index beda8a4..625d4b6 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -38,12 +38,23 @@
 #define DA8XX_EMAC_MDIO_BASE		0x01e24000
 #define DA8XX_GPIO_BASE			0x01e26000
 #define DA8XX_I2C1_BASE			0x01e28000
+#define DA8XX_SPI0_BASE			0x01c41000
+#define DA8XX_SPI1_BASE			0x01f0e000
 
 #define DA8XX_EMAC_CTRL_REG_OFFSET	0x3000
 #define DA8XX_EMAC_MOD_REG_OFFSET	0x2000
 #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;
 
@@ -573,13 +584,13 @@ static struct resource da8xx_mmcsd0_resources[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	{		/* DMA RX */
-		.start	= EDMA_CTLR_CHAN(0, 16),
-		.end	= EDMA_CTLR_CHAN(0, 16),
+		.start	= DA8XX_DMA_MMCSD0_RX,
+		.end	= DA8XX_DMA_MMCSD0_RX,
 		.flags	= IORESOURCE_DMA,
 	},
 	{		/* DMA TX */
-		.start	= EDMA_CTLR_CHAN(0, 17),
-		.end	= EDMA_CTLR_CHAN(0, 17),
+		.start	= DA8XX_DMA_MMCSD0_TX,
+		.end	= DA8XX_DMA_MMCSD0_TX,
 		.flags	= IORESOURCE_DMA,
 	},
 };
@@ -610,13 +621,13 @@ static struct resource da850_mmcsd1_resources[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	{		/* DMA RX */
-		.start	= EDMA_CTLR_CHAN(1, 28),
-		.end	= EDMA_CTLR_CHAN(1, 28),
+		.start	= DA850_DMA_MMCSD1_RX,
+		.end	= DA850_DMA_MMCSD1_RX,
 		.flags	= IORESOURCE_DMA,
 	},
 	{		/* DMA TX */
-		.start	= EDMA_CTLR_CHAN(1, 29),
-		.end	= EDMA_CTLR_CHAN(1, 29),
+		.start	= DA850_DMA_MMCSD1_TX,
+		.end	= DA850_DMA_MMCSD1_TX,
 		.flags	= IORESOURCE_DMA,
 	},
 };
@@ -725,3 +736,101 @@ int __init da8xx_register_cpuidle(void)
 
 	return platform_device_register(&da8xx_cpuidle_device);
 }
+
+static struct resource da8xx_spi0_resources[] = {
+	[0] = {
+		.start	= DA8XX_SPI0_BASE,
+		.end	= DA8XX_SPI0_BASE + SZ_4K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_DA8XX_SPINT0,
+		.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[] = {
+	[0] = {
+		.start	= DA8XX_SPI1_BASE,
+		.end	= DA8XX_SPI1_BASE + SZ_4K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_DA8XX_SPINT1,
+		.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,
+	},
+};
+
+struct davinci_spi_platform_data da8xx_spi_pdata[] = {
+	[0] = {
+		.version	= SPI_VERSION_2,
+		.intr_line	= 1,
+		.dma_event_q	= EVENTQ_0,
+	},
+	[1] = {
+		.version	= SPI_VERSION_2,
+		.intr_line	= 1,
+		.dma_event_q	= EVENTQ_0,
+	},
+};
+
+static struct platform_device da8xx_spi_device[] = {
+	[0] = {
+		.name		= "spi_davinci",
+		.id		= 0,
+		.num_resources	= ARRAY_SIZE(da8xx_spi0_resources),
+		.resource	= da8xx_spi0_resources,
+		.dev		= {
+			.platform_data = &da8xx_spi_pdata[0],
+		},
+	},
+	[1] = {
+		.name		= "spi_davinci",
+		.id		= 1,
+		.num_resources	= ARRAY_SIZE(da8xx_spi1_resources),
+		.resource	= da8xx_spi1_resources,
+		.dev		= {
+			.platform_data = &da8xx_spi_pdata[1],
+		},
+	},
+};
+
+int __init da8xx_register_spi(int instance, struct spi_board_info *info,
+			      unsigned len)
+{
+	int ret;
+
+	if (instance < 0 || instance > 1)
+		return -EINVAL;
+
+	ret = spi_register_board_info(info, len);
+	if (ret)
+		pr_warning("%s: failed to register board info for spi %d :"
+			   " %d\n", __func__, instance, ret);
+
+	da8xx_spi_pdata[instance].num_chipselect = len;
+
+	return platform_device_register(&da8xx_spi_device[instance]);
+}