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-rw-r--r--arch/arm/mach-davinci/dm365.c111
1 files changed, 108 insertions, 3 deletions
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index ce9da43a628b..27772e18e45b 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"
@@ -403,7 +406,7 @@ static struct clk mjcp_clk = {
.lpsc = DM365_LPSC_MJCP,
};
-static struct davinci_clk dm365_clks[] = {
+static struct clk_lookup dm365_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll1", &pll1_clk),
CLK(NULL, "pll1_aux", &pll1_aux_clk),
@@ -455,7 +458,7 @@ static struct davinci_clk dm365_clks[] = {
CLK(NULL, "timer3", &timer3_clk),
CLK(NULL, "usb", &usb_clk),
CLK("davinci_emac.1", NULL, &emac_clk),
- CLK("voice_codec", NULL, &voicecodec_clk),
+ CLK("davinci_voicecodec", NULL, &voicecodec_clk),
CLK("davinci-asp.0", NULL, &asp0_clk),
CLK(NULL, "rto", &rto_clk),
CLK(NULL, "mjcp", &mjcp_clk),
@@ -606,9 +609,78 @@ INT_CFG(DM365, INT_NSF_DISABLE, 25, 1, 0, false)
EVT_CFG(DM365, EVT2_ASP_TX, 0, 1, 0, false)
EVT_CFG(DM365, EVT3_ASP_RX, 1, 1, 0, false)
+EVT_CFG(DM365, EVT2_VC_TX, 0, 1, 1, false)
+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,
@@ -754,7 +826,7 @@ static struct edma_soc_info dm365_edma_info[] = {
.n_cc = 1,
.queue_tc_mapping = dm365_queue_tc_mapping,
.queue_priority_mapping = dm365_queue_priority_mapping,
- .default_queue = EVENTQ_2,
+ .default_queue = EVENTQ_3,
},
};
@@ -835,6 +907,31 @@ static struct platform_device dm365_asp_device = {
.resource = dm365_asp_resources,
};
+static struct resource dm365_vc_resources[] = {
+ {
+ .start = DAVINCI_DM365_VC_BASE,
+ .end = DAVINCI_DM365_VC_BASE + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = DAVINCI_DMA_VC_TX,
+ .end = DAVINCI_DMA_VC_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .start = DAVINCI_DMA_VC_RX,
+ .end = DAVINCI_DMA_VC_RX,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct platform_device dm365_vc_device = {
+ .name = "davinci_voicecodec",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(dm365_vc_resources),
+ .resource = dm365_vc_resources,
+};
+
static struct resource dm365_rtc_resources[] = {
{
.start = DM365_RTC_BASE,
@@ -991,6 +1088,14 @@ void __init dm365_init_asp(struct snd_platform_data *pdata)
platform_device_register(&dm365_asp_device);
}
+void __init dm365_init_vc(struct snd_platform_data *pdata)
+{
+ davinci_cfg_reg(DM365_EVT2_VC_TX);
+ davinci_cfg_reg(DM365_EVT3_VC_RX);
+ dm365_vc_device.dev.platform_data = pdata;
+ platform_device_register(&dm365_vc_device);
+}
+
void __init dm365_init_ks(struct davinci_ks_platform_data *pdata)
{
dm365_ks_device.dev.platform_data = pdata;
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