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| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2015-03-12 09:06:28 +0100 |
|---|---|---|
| committer | Sekhar Nori <nsekhar@ti.com> | 2015-03-18 11:22:05 +0100 |
| commit | 3775c31376329830b547fa5e11f966bec2a92cbe (patch) | |
| tree | 8e3f0cd875ab855adaec49b58cf27c8e0d831ddc /arch/arm/mach-davinci | |
| parent | ARM: davinci: devices-da8xx: Clean up and correct the McASP device creation (diff) | |
| download | linux-3775c31376329830b547fa5e11f966bec2a92cbe.tar.xz linux-3775c31376329830b547fa5e11f966bec2a92cbe.zip | |
ARM: davinci: devices-da8xx: Add support for McASP2 on da830
da830 has three McASP blocks.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Diffstat (limited to 'arch/arm/mach-davinci')
| -rw-r--r-- | arch/arm/mach-davinci/asp.h | 7 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/devices-da8xx.c | 41 |
2 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/asp.h b/arch/arm/mach-davinci/asp.h index d9b2acd12393..1128e1d8e4b4 100644 --- a/arch/arm/mach-davinci/asp.h +++ b/arch/arm/mach-davinci/asp.h @@ -21,6 +21,9 @@ /* Bases of da830 McASP1 register banks */ #define DAVINCI_DA830_MCASP1_REG_BASE 0x01D04000 +/* Bases of da830 McASP2 register banks */ +#define DAVINCI_DA830_MCASP2_REG_BASE 0x01D08000 + /* EDMA channels of dm644x and dm355 */ #define DAVINCI_DMA_ASP0_TX 2 #define DAVINCI_DMA_ASP0_RX 3 @@ -40,6 +43,10 @@ #define DAVINCI_DA830_DMA_MCASP1_AREVT 2 #define DAVINCI_DA830_DMA_MCASP1_AXEVT 3 +/* EDMA channels of da830 McASP2 */ +#define DAVINCI_DA830_DMA_MCASP2_AREVT 4 +#define DAVINCI_DA830_DMA_MCASP2_AXEVT 5 + /* Interrupts */ #define DAVINCI_ASP0_RX_INT IRQ_MBRINT #define DAVINCI_ASP0_TX_INT IRQ_MBXINT diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index fdc3219ba684..ddfdd820e6f2 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -489,6 +489,41 @@ static struct platform_device da830_mcasp1_device = { .resource = da830_mcasp1_resources, }; +static struct resource da830_mcasp2_resources[] = { + { + .name = "mpu", + .start = DAVINCI_DA830_MCASP2_REG_BASE, + .end = DAVINCI_DA830_MCASP2_REG_BASE + (SZ_1K * 12) - 1, + .flags = IORESOURCE_MEM, + }, + /* TX event */ + { + .name = "tx", + .start = DAVINCI_DA830_DMA_MCASP2_AXEVT, + .end = DAVINCI_DA830_DMA_MCASP2_AXEVT, + .flags = IORESOURCE_DMA, + }, + /* RX event */ + { + .name = "rx", + .start = DAVINCI_DA830_DMA_MCASP2_AREVT, + .end = DAVINCI_DA830_DMA_MCASP2_AREVT, + .flags = IORESOURCE_DMA, + }, + { + .name = "common", + .start = IRQ_DA8XX_MCASPINT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device da830_mcasp2_device = { + .name = "davinci-mcasp", + .id = 2, + .num_resources = ARRAY_SIZE(da830_mcasp2_resources), + .resource = da830_mcasp2_resources, +}; + static struct resource da850_mcasp_resources[] = { { .name = "mpu", @@ -539,6 +574,12 @@ void __init da8xx_register_mcasp(int id, struct snd_platform_data *pdata) return; pdev = &da830_mcasp1_device; break; + case 2: + /* Valid for DA830/OMAP-L137 only */ + if (!cpu_is_davinci_da830()) + return; + pdev = &da830_mcasp2_device; + break; default: return; } |