diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-omap2/mcbsp.c | 30 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/control.h | 2 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/mcbsp.h | 13 | ||||
| -rw-r--r-- | arch/arm/plat-omap/mcbsp.c | 1 |
4 files changed, 45 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c index 88b8790e4fec..4c9c999dfa4a 100644 --- a/arch/arm/mach-omap2/mcbsp.c +++ b/arch/arm/mach-omap2/mcbsp.c @@ -22,7 +22,37 @@ #include <plat/dma.h> #include <plat/cpu.h> #include <plat/mcbsp.h> +#include <plat/control.h> +/* McBSP internal signal muxing functions */ + +void omap2_mcbsp1_mux_clkr_src(u8 mux) +{ + u32 v; + + v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); + if (mux == CLKR_SRC_CLKR) + v &= OMAP2_MCBSP1_CLKR_MASK; + else if (mux == CLKR_SRC_CLKX) + v |= OMAP2_MCBSP1_CLKR_MASK; + omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0); +} +EXPORT_SYMBOL(omap2_mcbsp1_mux_clkr_src); + +void omap2_mcbsp1_mux_fsr_src(u8 mux) +{ + u32 v; + + v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); + if (mux == FSR_SRC_FSR) + v &= OMAP2_MCBSP1_FSR_MASK; + else if (mux == FSR_SRC_FSX) + v |= OMAP2_MCBSP1_FSR_MASK; + omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0); +} +EXPORT_SYMBOL(omap2_mcbsp1_mux_fsr_src); + +/* Platform data */ #ifdef CONFIG_ARCH_OMAP2420 static struct omap_mcbsp_platform_data omap2420_mcbsp_pdata[] = { diff --git a/arch/arm/plat-omap/include/plat/control.h b/arch/arm/plat-omap/include/plat/control.h index 19c9b2a82046..54b0c3529c83 100644 --- a/arch/arm/plat-omap/include/plat/control.h +++ b/arch/arm/plat-omap/include/plat/control.h @@ -223,6 +223,8 @@ #define OMAP2_MMCSDIO1ADPCLKISEL (1 << 24) /* MMC1 loop back clock */ #define OMAP24XX_USBSTANDBYCTRL (1 << 15) #define OMAP2_MCBSP2_CLKS_MASK (1 << 6) +#define OMAP2_MCBSP1_FSR_MASK (1 << 4) +#define OMAP2_MCBSP1_CLKR_MASK (1 << 3) #define OMAP2_MCBSP1_CLKS_MASK (1 << 2) /* CONTROL_DEVCONF1 bits */ diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h index b4ff6a11a8f2..886d0e610aa7 100644 --- a/arch/arm/plat-omap/include/plat/mcbsp.h +++ b/arch/arm/plat-omap/include/plat/mcbsp.h @@ -312,6 +312,14 @@ #define RFSREN 0x0002 #define RSYNCERREN 0x0001 +/* CLKR signal muxing options */ +#define CLKR_SRC_CLKR 0 +#define CLKR_SRC_CLKX 1 + +/* FSR signal muxing options */ +#define FSR_SRC_FSR 0 +#define FSR_SRC_FSX 1 + /* we don't do multichannel for now */ struct omap_mcbsp_reg_cfg { u16 spcr2; @@ -501,7 +509,6 @@ int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, unsigned int leng int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word); int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 * word); - /* SPI specific API */ void omap_mcbsp_set_spi_mode(unsigned int id, const struct omap_mcbsp_spi_cfg * spi_cfg); @@ -510,6 +517,10 @@ int omap_mcbsp_pollread(unsigned int id, u16 * buf); int omap_mcbsp_pollwrite(unsigned int id, u16 buf); int omap_mcbsp_set_io_type(unsigned int id, omap_mcbsp_io_type_t io_type); +/* McBSP signal muxing API */ +void omap2_mcbsp1_mux_clkr_src(u8 mux); +void omap2_mcbsp1_mux_fsr_src(u8 mux); + #ifdef CONFIG_ARCH_OMAP3 /* Sidetone specific API */ int omap_st_set_chgain(unsigned int id, int channel, s16 chgain); diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c index b2e046990d38..9836fb5dc013 100644 --- a/arch/arm/plat-omap/mcbsp.c +++ b/arch/arm/plat-omap/mcbsp.c @@ -27,6 +27,7 @@ #include <plat/dma.h> #include <plat/mcbsp.h> +#include <plat/control.h> #include "../mach-omap2/cm-regbits-34xx.h" |