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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-01 13:05:40 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-01 13:05:40 -0800 |
commit | 13dda80e48439b446d0bc9bab34b91484bc8f533 (patch) | |
tree | e8037122d65fe2a5dd8f633a7648b2597640a2ce /arch/arm/mach-davinci/dm365.c | |
parent | 379e3a820da171cb1d97e8dccd736a69cebfb7c0 (diff) | |
parent | 5f19daa16ffca55db5b0253eba2bd0f71ee7f7f4 (diff) | |
download | lwn-13dda80e48439b446d0bc9bab34b91484bc8f533.tar.gz lwn-13dda80e48439b446d0bc9bab34b91484bc8f533.zip |
Merge branch 'davinci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci
* 'davinci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci: (40 commits)
DaVinci DM365: Adding support for SPI EEPROM
DaVinci DM365: Adding DM365 SPI support
DaVinci DM355: Modifications to DM355 SPI support
DaVinci: SPI: Adding header file for SPI support.
davinci: dm646x: CDCE clocks: davinci_clk converted to clk_lookup
davinci: clkdev cleanup: remove clk_lookup wrapper, use clkdev_add_table()
DaVinci: DM365: Voice codec support for the DM365 SoC
davinci: clock: let clk->set_rate function sleep
Add SDA and SCL pin numbers to i2c platform data
davinci: da8xx/omap-l1xx: Add EDMA platform data for da850/omap-l138
davinci: build list of unused EDMA events dynamically
davinci: Fix edma_alloc_channel api for EDMA_CHANNEL_ANY case
davinci: Keep count of channel controllers on a platform
davinci: Correct return value of edma_alloc_channel api
davinci: add CDCE949 support on DM6467 EVM
davinci: add support for CDCE949 clock synthesizer
davinci: da850/omap-l138 EVM: register for suspend support
davinci: da850/omap-l138: add support for SoC suspend
davinci: add power management support
DaVinci: DM365: Changing default queue for DM365.
...
Diffstat (limited to 'arch/arm/mach-davinci/dm365.c')
-rw-r--r-- | arch/arm/mach-davinci/dm365.c | 111 |
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; |