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-rw-r--r--arch/arm/mach-davinci/dm365.c70
-rw-r--r--arch/arm/mach-davinci/include/mach/dm365.h2
2 files changed, 72 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index e88f262..27772e1 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -18,6 +18,7 @@
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/gpio.h>
+#include <linux/spi/spi.h>
#include <asm/mach/map.h>
@@ -32,6 +33,8 @@
#include <mach/common.h>
#include <mach/asp.h>
#include <mach/keyscan.h>
+#include <mach/spi.h>
+
#include "clock.h"
#include "mux.h"
@@ -611,6 +614,73 @@ EVT_CFG(DM365, EVT3_VC_RX, 1, 1, 1, false)
#endif
};
+static u64 dm365_spi0_dma_mask = DMA_BIT_MASK(32);
+
+static struct davinci_spi_platform_data dm365_spi0_pdata = {
+ .version = SPI_VERSION_1,
+ .num_chipselect = 2,
+ .clk_internal = 1,
+ .cs_hold = 1,
+ .intr_level = 0,
+ .poll_mode = 1, /* 0 -> interrupt mode 1-> polling mode */
+ .c2tdelay = 0,
+ .t2cdelay = 0,
+};
+
+static struct resource dm365_spi0_resources[] = {
+ {
+ .start = 0x01c66000,
+ .end = 0x01c667ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_DM365_SPIINT0_0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = 17,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .start = 16,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .start = EVENTQ_3,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct platform_device dm365_spi0_device = {
+ .name = "spi_davinci",
+ .id = 0,
+ .dev = {
+ .dma_mask = &dm365_spi0_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &dm365_spi0_pdata,
+ },
+ .num_resources = ARRAY_SIZE(dm365_spi0_resources),
+ .resource = dm365_spi0_resources,
+};
+
+void __init dm365_init_spi0(unsigned chipselect_mask,
+ struct spi_board_info *info, unsigned len)
+{
+ davinci_cfg_reg(DM365_SPI0_SCLK);
+ davinci_cfg_reg(DM365_SPI0_SDI);
+ davinci_cfg_reg(DM365_SPI0_SDO);
+
+ /* not all slaves will be wired up */
+ if (chipselect_mask & BIT(0))
+ davinci_cfg_reg(DM365_SPI0_SDENA0);
+ if (chipselect_mask & BIT(1))
+ davinci_cfg_reg(DM365_SPI0_SDENA1);
+
+ spi_register_board_info(info, len);
+
+ platform_device_register(&dm365_spi0_device);
+}
+
static struct emac_platform_data dm365_emac_pdata = {
.ctrl_reg_offset = DM365_EMAC_CNTRL_OFFSET,
.ctrl_mod_reg_offset = DM365_EMAC_CNTRL_MOD_OFFSET,
diff --git a/arch/arm/mach-davinci/include/mach/dm365.h b/arch/arm/mach-davinci/include/mach/dm365.h
index fdf6f85..3a37b5a 100644
--- a/arch/arm/mach-davinci/include/mach/dm365.h
+++ b/arch/arm/mach-davinci/include/mach/dm365.h
@@ -41,6 +41,8 @@ void __init dm365_init_asp(struct snd_platform_data *pdata);
void __init dm365_init_vc(struct snd_platform_data *pdata);
void __init dm365_init_ks(struct davinci_ks_platform_data *pdata);
void __init dm365_init_rtc(void);
+void dm365_init_spi0(unsigned chipselect_mask,
+ struct spi_board_info *info, unsigned len);
void dm365_set_vpfe_config(struct vpfe_config *cfg);
#endif /* __ASM_ARCH_DM365_H */
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