From f199131a8f1dde3309c8520b663aa7a3daf5995e Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 16 Aug 2012 16:41:00 +0300 Subject: ARM/ASoC: omap-mcbsp: Move OMAP2+ clock parenting code to ASoC driver Move the McBSP CLKS re-parenting code to ASoC driver from arch/arm/mach-omap2. The call fort the re-parenting has been already limited to OMAP2+ SoC in the ASoC driver. There is no longer need to have callback function for it. Signed-off-by: Peter Ujfalusi Acked-by: Jarkko Nikula Acked-by: Tony Lindgren Signed-off-by: Mark Brown --- sound/soc/omap/mcbsp.c | 31 ++++++++++++++++++++++++++----- 1 file changed, 26 insertions(+), 5 deletions(-) (limited to 'sound/soc/omap') diff --git a/sound/soc/omap/mcbsp.c b/sound/soc/omap/mcbsp.c index 34835e8a9160..6afbc26cef70 100644 --- a/sound/soc/omap/mcbsp.c +++ b/sound/soc/omap/mcbsp.c @@ -24,6 +24,7 @@ #include #include #include +#include #include @@ -726,19 +727,39 @@ void omap_mcbsp_stop(struct omap_mcbsp *mcbsp, int tx, int rx) int omap2_mcbsp_set_clks_src(struct omap_mcbsp *mcbsp, u8 fck_src_id) { + struct clk *fck_src; const char *src; + int r; if (fck_src_id == MCBSP_CLKS_PAD_SRC) - src = "clks_ext"; + src = "pad_fck"; else if (fck_src_id == MCBSP_CLKS_PRCM_SRC) - src = "clks_fclk"; + src = "prcm_fck"; else return -EINVAL; - if (mcbsp->pdata->set_clk_src) - return mcbsp->pdata->set_clk_src(mcbsp->dev, mcbsp->fclk, src); - else + fck_src = clk_get(mcbsp->dev, src); + if (IS_ERR(fck_src)) { + dev_err(mcbsp->dev, "CLKS: could not clk_get() %s\n", src); return -EINVAL; + } + + pm_runtime_put_sync(mcbsp->dev); + + r = clk_set_parent(mcbsp->fclk, fck_src); + if (r) { + dev_err(mcbsp->dev, "CLKS: could not clk_set_parent() to %s\n", + src); + clk_put(fck_src); + return r; + } + + pm_runtime_get_sync(mcbsp->dev); + + clk_put(fck_src); + + return 0; + } int omap_mcbsp_6pin_src_mux(struct omap_mcbsp *mcbsp, u8 mux) -- cgit v1.2.3 From fca04aea36a82bc451ddc33dee6f9a48bb0f8a2a Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 16 Aug 2012 16:41:03 +0300 Subject: ASoC: am3517evm: Do not configure McBSP1 CLKR/FSR signal muxing The muxing is done at board level, no need to do it in the ASoC machine driver. Signed-off-by: Peter Ujfalusi Acked-by: Jarkko Nikula Signed-off-by: Mark Brown --- sound/soc/omap/am3517evm.c | 20 ++------------------ 1 file changed, 2 insertions(+), 18 deletions(-) (limited to 'sound/soc/omap') diff --git a/sound/soc/omap/am3517evm.c b/sound/soc/omap/am3517evm.c index 009533ab8d18..a997988af147 100644 --- a/sound/soc/omap/am3517evm.c +++ b/sound/soc/omap/am3517evm.c @@ -47,26 +47,10 @@ static int am3517evm_hw_params(struct snd_pcm_substream *substream, /* Set the codec system clock for DAC and ADC */ ret = snd_soc_dai_set_sysclk(codec_dai, 0, CODEC_CLOCK, SND_SOC_CLOCK_IN); - if (ret < 0) { + if (ret < 0) printk(KERN_ERR "can't set codec system clock\n"); - return ret; - } - - ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_CLKR_SRC_CLKX, 0, - SND_SOC_CLOCK_IN); - if (ret < 0) { - printk(KERN_ERR "can't set CPU system clock OMAP_MCBSP_CLKR_SRC_CLKX\n"); - return ret; - } - snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_FSR_SRC_FSX, 0, - SND_SOC_CLOCK_IN); - if (ret < 0) { - printk(KERN_ERR "can't set CPU system clock OMAP_MCBSP_FSR_SRC_FSX\n"); - return ret; - } - - return 0; + return ret; } static struct snd_soc_ops am3517evm_ops = { -- cgit v1.2.3 From 8fef6263ea68f6160637f370a5864d0a455c620d Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 16 Aug 2012 16:41:04 +0300 Subject: ARM/ASoC: omap-mcbsp: Remove CLKR/FSR mux configuration code Remove the feature to configure the CLKR/FSR mux on McBSP port with 6pin configuration. When moving to devicetree these callback can no longer be used in a clean way anymore. If a board require to change the 6pin port to work in 4pin setup it needs to set up the mux in the board file. For OMAP2/3: u32 devconf0; /* McBSP1 CLKR/FSR signal to be connected to CLKX/FSX pin */ devconf0 = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); devconf0 |= OMAP2_MCBSP1_CLKR_MASK | OMAP2_MCBSP1_FSR_MASK; omap_ctrl_writel(devconf0, OMAP2_CONTROL_DEVCONF0); For OMAP4: u32 mcbsp_pad; /* McBSP4 CLKR/FSR signal to be connected to CLKX/FSX pin */ mcbsp_pad = omap4_ctrl_pad_readl(OMAP2_CONTROL_DEVCONF0); mcbsp_pad |= ((1 << 31) | (1 << 30)); omap4_ctrl_pad_writel(mcbsp_pad, OMAP2_CONTROL_DEVCONF0); In case when the kernel is booted with DT blob the pinctrl-single will be provided as soon as it is enabled on the platform. Signed-off-by: Peter Ujfalusi Acked-by: Jarkko Nikula Acked-by: Tony Lindgren Signed-off-by: Mark Brown --- arch/arm/mach-omap2/mcbsp.c | 77 --------------------------------- arch/arm/plat-omap/include/plat/mcbsp.h | 1 - sound/soc/omap/mcbsp.h | 3 -- sound/soc/omap/omap-mcbsp.c | 32 ++------------ sound/soc/omap/omap-mcbsp.h | 4 -- 5 files changed, 3 insertions(+), 114 deletions(-) (limited to 'sound/soc/omap') diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c index 6e046e1111b1..660e00b3ef82 100644 --- a/arch/arm/mach-omap2/mcbsp.c +++ b/arch/arm/mach-omap2/mcbsp.c @@ -25,8 +25,6 @@ #include #include -#include "control.h" - /* * FIXME: Find a mechanism to enable/disable runtime the McBSP ICLK autoidle. * Sidetone needs non-gated ICLK and sidetone autoidle is broken. @@ -34,73 +32,6 @@ #include "cm2xxx_3xxx.h" #include "cm-regbits-34xx.h" -/* McBSP1 internal signal muxing function for OMAP2/3 */ -static int omap2_mcbsp1_mux_rx_clk(struct device *dev, const char *signal, - const char *src) -{ - u32 v; - - v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); - - if (!strcmp(signal, "clkr")) { - if (!strcmp(src, "clkr")) - v &= ~OMAP2_MCBSP1_CLKR_MASK; - else if (!strcmp(src, "clkx")) - v |= OMAP2_MCBSP1_CLKR_MASK; - else - return -EINVAL; - } else if (!strcmp(signal, "fsr")) { - if (!strcmp(src, "fsr")) - v &= ~OMAP2_MCBSP1_FSR_MASK; - else if (!strcmp(src, "fsx")) - v |= OMAP2_MCBSP1_FSR_MASK; - else - return -EINVAL; - } else { - return -EINVAL; - } - - omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0); - - return 0; -} - -/* McBSP4 internal signal muxing function for OMAP4 */ -#define OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_FSX (1 << 31) -#define OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_CLKX (1 << 30) -static int omap4_mcbsp4_mux_rx_clk(struct device *dev, const char *signal, - const char *src) -{ - u32 v; - - /* - * In CONTROL_MCBSPLP register only bit 30 (CLKR mux), and bit 31 (FSR - * mux) is used */ - v = omap4_ctrl_pad_readl(OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_MCBSPLP); - - if (!strcmp(signal, "clkr")) { - if (!strcmp(src, "clkr")) - v &= ~OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_CLKX; - else if (!strcmp(src, "clkx")) - v |= OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_CLKX; - else - return -EINVAL; - } else if (!strcmp(signal, "fsr")) { - if (!strcmp(src, "fsr")) - v &= ~OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_FSX; - else if (!strcmp(src, "fsx")) - v |= OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_FSX; - else - return -EINVAL; - } else { - return -EINVAL; - } - - omap4_ctrl_pad_writel(v, OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_MCBSPLP); - - return 0; -} - static int omap3_enable_st_clock(unsigned int id, bool enable) { unsigned int w; @@ -143,14 +74,6 @@ static int __init omap_init_mcbsp(struct omap_hwmod *oh, void *unused) pdata->has_ccr = true; } - /* On OMAP2/3 the McBSP1 port has 6 pin configuration */ - if (id == 1 && oh->class->rev < MCBSP_CONFIG_TYPE4) - pdata->mux_signal = omap2_mcbsp1_mux_rx_clk; - - /* On OMAP4 the McBSP4 port has 6 pin configuration */ - if (id == 4 && oh->class->rev == MCBSP_CONFIG_TYPE4) - pdata->mux_signal = omap4_mcbsp4_mux_rx_clk; - if (oh->class->rev == MCBSP_CONFIG_TYPE2) { /* The FIFO has 128 locations */ pdata->buffer_size = 0x80; diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h index 0a7d5ca471e0..c78d90b28b19 100644 --- a/arch/arm/plat-omap/include/plat/mcbsp.h +++ b/arch/arm/plat-omap/include/plat/mcbsp.h @@ -47,7 +47,6 @@ struct omap_mcbsp_platform_data { bool has_wakeup; /* Wakeup capability */ bool has_ccr; /* Transceiver has configuration control registers */ int (*enable_st_clock)(unsigned int, bool); - int (*mux_signal)(struct device *dev, const char *signal, const char *src); }; /** diff --git a/sound/soc/omap/mcbsp.h b/sound/soc/omap/mcbsp.h index 262a6152111f..49a67259ce5a 100644 --- a/sound/soc/omap/mcbsp.h +++ b/sound/soc/omap/mcbsp.h @@ -334,9 +334,6 @@ void omap_mcbsp_stop(struct omap_mcbsp *mcbsp, int tx, int rx); /* McBSP functional clock source changing function */ int omap2_mcbsp_set_clks_src(struct omap_mcbsp *mcbsp, u8 fck_src_id); -/* McBSP signal muxing API */ -int omap_mcbsp_6pin_src_mux(struct omap_mcbsp *mcbsp, u8 mux); - /* Sidetone specific API */ int omap_st_set_chgain(struct omap_mcbsp *mcbsp, int channel, s16 chgain); int omap_st_get_chgain(struct omap_mcbsp *mcbsp, int channel, s16 *chgain); diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index 1046083e90a0..506159493a9d 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -516,21 +516,9 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai, return -EBUSY; } - if (clk_id == OMAP_MCBSP_SYSCLK_CLK || - clk_id == OMAP_MCBSP_SYSCLK_CLKS_FCLK || - clk_id == OMAP_MCBSP_SYSCLK_CLKS_EXT || - clk_id == OMAP_MCBSP_SYSCLK_CLKX_EXT || - clk_id == OMAP_MCBSP_SYSCLK_CLKR_EXT) { - mcbsp->in_freq = freq; - regs->srgr2 &= ~CLKSM; - regs->pcr0 &= ~SCLKME; - } else if (cpu_class_is_omap1()) { - /* - * McBSP CLKR/FSR signal muxing functions are only available on - * OMAP2 or newer versions - */ - return -EINVAL; - } + mcbsp->in_freq = freq; + regs->srgr2 &= ~CLKSM; + regs->pcr0 &= ~SCLKME; switch (clk_id) { case OMAP_MCBSP_SYSCLK_CLK: @@ -558,20 +546,6 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai, case OMAP_MCBSP_SYSCLK_CLKR_EXT: regs->pcr0 |= SCLKME; break; - - - case OMAP_MCBSP_CLKR_SRC_CLKR: - err = omap_mcbsp_6pin_src_mux(mcbsp, CLKR_SRC_CLKR); - break; - case OMAP_MCBSP_CLKR_SRC_CLKX: - err = omap_mcbsp_6pin_src_mux(mcbsp, CLKR_SRC_CLKX); - break; - case OMAP_MCBSP_FSR_SRC_FSR: - err = omap_mcbsp_6pin_src_mux(mcbsp, FSR_SRC_FSR); - break; - case OMAP_MCBSP_FSR_SRC_FSX: - err = omap_mcbsp_6pin_src_mux(mcbsp, FSR_SRC_FSX); - break; default: err = -ENODEV; } diff --git a/sound/soc/omap/omap-mcbsp.h b/sound/soc/omap/omap-mcbsp.h index f877b16f19c9..baebcee30e30 100644 --- a/sound/soc/omap/omap-mcbsp.h +++ b/sound/soc/omap/omap-mcbsp.h @@ -32,10 +32,6 @@ enum omap_mcbsp_clksrg_clk { OMAP_MCBSP_SYSCLK_CLK, /* Internal ICLK */ OMAP_MCBSP_SYSCLK_CLKX_EXT, /* External CLKX pin */ OMAP_MCBSP_SYSCLK_CLKR_EXT, /* External CLKR pin */ - OMAP_MCBSP_CLKR_SRC_CLKR, /* CLKR from CLKR pin */ - OMAP_MCBSP_CLKR_SRC_CLKX, /* CLKR from CLKX pin */ - OMAP_MCBSP_FSR_SRC_FSR, /* FSR from FSR pin */ - OMAP_MCBSP_FSR_SRC_FSX, /* FSR from FSX pin */ }; /* McBSP dividers */ -- cgit v1.2.3 From 8d3c09096500aa20702395b87c81a62ac9cbe3be Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 16 Aug 2012 16:41:05 +0300 Subject: ASoC: omap-mcbsp: Remove unused defines NUM_LINKS is no longer in use by the code. Signed-off-by: Peter Ujfalusi Acked-by: Jarkko Nikula Signed-off-by: Mark Brown --- sound/soc/omap/omap-mcbsp.h | 16 ---------------- 1 file changed, 16 deletions(-) (limited to 'sound/soc/omap') diff --git a/sound/soc/omap/omap-mcbsp.h b/sound/soc/omap/omap-mcbsp.h index baebcee30e30..ba8386a0d8dc 100644 --- a/sound/soc/omap/omap-mcbsp.h +++ b/sound/soc/omap/omap-mcbsp.h @@ -39,22 +39,6 @@ enum omap_mcbsp_div { OMAP_MCBSP_CLKGDV, /* Sample rate generator divider */ }; -#if defined(CONFIG_SOC_OMAP2420) -#define NUM_LINKS 2 -#endif -#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) -#undef NUM_LINKS -#define NUM_LINKS 3 -#endif -#if defined(CONFIG_ARCH_OMAP4) -#undef NUM_LINKS -#define NUM_LINKS 4 -#endif -#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_SOC_OMAP2430) -#undef NUM_LINKS -#define NUM_LINKS 5 -#endif - int omap_mcbsp_st_add_controls(struct snd_soc_pcm_runtime *rtd); #endif -- cgit v1.2.3 From dc26df52455348e06e4c34a2af2910d291369fe8 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 16 Aug 2012 16:41:06 +0300 Subject: ASoC: omap-mcbsp: Remove cpu_is_omap* checks from the code We can use the has_ccr flag to replace the cpu_is_omap* checks. This provides future proof implementation and we do not need to update the code if new OMAP revision starts to use the McBSP driver. Signed-off-by: Peter Ujfalusi Acked-by: Jarkko Nikula Signed-off-by: Mark Brown --- sound/soc/omap/omap-mcbsp.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'sound/soc/omap') diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index 506159493a9d..b9770eea28a0 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -398,12 +398,14 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai, /* Generic McBSP register settings */ regs->spcr2 |= XINTM(3) | FREE; regs->spcr1 |= RINTM(3); - /* RFIG and XFIG are not defined in 34xx */ - if (!cpu_is_omap34xx() && !cpu_is_omap44xx()) { + /* RFIG and XFIG are not defined in 2430 and on OMAP3+ */ + if (!mcbsp->pdata->has_ccr) { regs->rcr2 |= RFIG; regs->xcr2 |= XFIG; } - if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) { + + /* Configure XCCR/RCCR only for revisions which have ccr registers */ + if (mcbsp->pdata->has_ccr) { regs->xccr = DXENDLY(1) | XDMAEN | XDISABLE; regs->rccr = RFULL_CYCLE | RDMAEN | RDISABLE; } -- cgit v1.2.3 From 11dd586421b3091007e6f084a9211f3baa66f9fc Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 16 Aug 2012 16:41:08 +0300 Subject: ASoC: omap-mcbsp: Add device tree bindings Device tree support for McBSP modules on OMAP2+ SoC. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- .../devicetree/bindings/sound/omap-mcbsp.txt | 45 +++++++++++++++ sound/soc/omap/omap-mcbsp.c | 66 +++++++++++++++++++++- 2 files changed, 110 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/sound/omap-mcbsp.txt (limited to 'sound/soc/omap') diff --git a/Documentation/devicetree/bindings/sound/omap-mcbsp.txt b/Documentation/devicetree/bindings/sound/omap-mcbsp.txt new file mode 100644 index 000000000000..447cb131e909 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/omap-mcbsp.txt @@ -0,0 +1,45 @@ +* Texas Instruments OMAP2+ McBSP module + +Required properties: +- compatible: "ti,omap2420-mcbsp" for McBSP on OMAP2420 + "ti,omap2430-mcbsp" for McBSP on OMAP2430 + "ti,omap3-mcbsp" for McBSP on OMAP3 + "ti,omap4-mcbsp" for McBSP on OMAP4 and newer SoC +- reg: Register location and size, for OMAP4+ as an array: + , + ; +- interrupts: Interrupt numbers for the McBSP port, as an array in case the + McBSP IP have more interrupt lines: + , + , + ; +- interrupt-parent: The parent interrupt controller +- ti,buffer-size: Size of the FIFO on the port (OMAP2430 and newer SoC) +- ti,hwmods: Name of the hwmod associated to the McBSP port + +Sidetone support for OMAP3 McBSP2 and 3 ports: +- sidetone { }: Within this section the following parameters are required: +- reg: Register location and size for the ST block +- interrupts: The interrupt number for the ST block +- interrupt-parent: The parent interrupt controller for the ST block + +Example: + +mcbsp2: mcbsp@49022000 { + compatible = "ti,omap3-mcbsp"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x49022000 0xff>; + interrupts = <0 17 0x4>, /* OCP compliant interrup */ + <0 62 0x4>, /* TX interrup */ + <0 63 0x4>; /* RX interrup */ + interrupt-parent = <&intc>; + ti,buffer-size = <1280>; + ti,hwmods = "mcbsp2"; + + sidetone { + reg = <0x49028000 0xff>; + interrupts = <0 4 0x4>; + interrupt-parent = <&intc>; + }; +}; diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index b9770eea28a0..2e1750e2ab31 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -26,6 +26,8 @@ #include #include #include +#include +#include #include #include #include @@ -737,13 +739,74 @@ int omap_mcbsp_st_add_controls(struct snd_soc_pcm_runtime *rtd) } EXPORT_SYMBOL_GPL(omap_mcbsp_st_add_controls); +static struct omap_mcbsp_platform_data omap2420_pdata = { + .reg_step = 4, + .reg_size = 2, +}; + +static struct omap_mcbsp_platform_data omap2430_pdata = { + .reg_step = 4, + .reg_size = 4, + .has_ccr = true, +}; + +static struct omap_mcbsp_platform_data omap3_pdata = { + .reg_step = 4, + .reg_size = 4, + .has_ccr = true, + .has_wakeup = true, +}; + +static struct omap_mcbsp_platform_data omap4_pdata = { + .reg_step = 4, + .reg_size = 4, + .has_ccr = true, + .has_wakeup = true, +}; + +static const struct of_device_id omap_mcbsp_of_match[] = { + { + .compatible = "ti,omap2420-mcbsp", + .data = &omap2420_pdata, + }, + { + .compatible = "ti,omap2430-mcbsp", + .data = &omap2430_pdata, + }, + { + .compatible = "ti,omap3-mcbsp", + .data = &omap3_pdata, + }, + { + .compatible = "ti,omap4-mcbsp", + .data = &omap4_pdata, + }, + { }, +}; +MODULE_DEVICE_TABLE(of, omap_mcbsp_of_match); + static __devinit int asoc_mcbsp_probe(struct platform_device *pdev) { struct omap_mcbsp_platform_data *pdata = dev_get_platdata(&pdev->dev); struct omap_mcbsp *mcbsp; + const struct of_device_id *match; int ret; - if (!pdata) { + match = of_match_device(omap_mcbsp_of_match, &pdev->dev); + if (match) { + struct device_node *node = pdev->dev.of_node; + int buffer_size; + + pdata = devm_kzalloc(&pdev->dev, + sizeof(struct omap_mcbsp_platform_data), + GFP_KERNEL); + if (!pdata) + return -ENOMEM; + + memcpy(pdata, match->data, sizeof(*pdata)); + if (!of_property_read_u32(node, "ti,buffer-size", &buffer_size)) + pdata->buffer_size = buffer_size; + } else if (!pdata) { dev_err(&pdev->dev, "missing platform data.\n"); return -EINVAL; } @@ -785,6 +848,7 @@ static struct platform_driver asoc_mcbsp_driver = { .driver = { .name = "omap-mcbsp", .owner = THIS_MODULE, + .of_match_table = omap_mcbsp_of_match, }, .probe = asoc_mcbsp_probe, -- cgit v1.2.3