diff options
| author | Richard Zhao <richard.zhao@freescale.com> | 2011-12-31 10:27:56 +0800 |
|---|---|---|
| committer | Eric Miao <eric.miao@linaro.org> | 2012-01-11 21:51:18 +0800 |
| commit | eb6d1ece9e858556799674b6138dd147b3fb4627 (patch) | |
| tree | 1dcd40a06f1e717befc8d2c71add5b47545dd785 | |
| parent | f3d46153721ec8d7d866766609f4cc98e7953c07 (diff) | |
arm/imx6q: add imx-sgtl5000 device from sabrelite board
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
| -rw-r--r-- | arch/arm/mach-imx/mach-imx6q.c | 51 | ||||
| -rw-r--r-- | sound/soc/imx/Kconfig | 2 |
2 files changed, 52 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 3f46730ac06..dc4e99f2b95 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -20,6 +20,8 @@ #include <linux/phy.h> #include <linux/micrel_phy.h> #include <linux/dma-mapping.h> +#include <linux/clk.h> +#include <linux/fsl_devices.h> #include <asm/hardware/cache-l2x0.h> #include <asm/hardware/gic.h> #include <asm/mach/map.h> @@ -124,6 +126,52 @@ static const struct of_dev_auxdata imx6q_auxdata_lookup[] __initconst = { OF_DEV_AUXDATA("fsl,vpu", MX6Q_VPU_BASE_ADDR, "mxc_vpu.0", &vpu_pdata), }; +static struct mxc_audio_platform_data mx6_sabrelite_audio_data; + +static int mx6_sabrelite_sgtl5000_init(void) +{ + struct clk *clko; + struct clk *new_parent; + int rate; + + clko = clk_get(NULL, "clko_clk"); + if (IS_ERR(clko)) { + pr_err("can't get CLKO clock.\n"); + return PTR_ERR(clko); + } + new_parent = clk_get(NULL, "ahb"); + if (!IS_ERR(new_parent)) { + clk_set_parent(clko, new_parent); + clk_put(new_parent); + } + rate = clk_round_rate(clko, 16000000); + if (rate < 8000000 || rate > 27000000) { + pr_err("Error:SGTL5000 mclk freq %d out of range!\n", rate); + clk_put(clko); + return -1; + } + + mx6_sabrelite_audio_data.sysclk = rate; + clk_set_rate(clko, rate); + clk_enable(clko); + return 0; +} + +static struct mxc_audio_platform_data mx6_sabrelite_audio_data = { + .ssi_num = 1, + .src_port = 2, + .ext_port = 4, + .init = mx6_sabrelite_sgtl5000_init, + .hp_gpio = -1, +}; + +static struct platform_device mx6_sabrelite_audio_device = { + .name = "imx-sgtl5000", + .dev = { + .platform_data = &mx6_sabrelite_audio_data, + }, +}; + static void __init imx6q_init_machine(void) { if (of_machine_is_compatible("fsl,imx6q-sabrelite")) { @@ -138,6 +186,9 @@ static void __init imx6q_init_machine(void) iram_init(MX6Q_IRAM_BASE_ADDR, MX6Q_IRAM_SIZE); + if (of_machine_is_compatible("fsl,imx6q-sabrelite")) + platform_device_register(&mx6_sabrelite_audio_device); + imx6q_pm_init(); } diff --git a/sound/soc/imx/Kconfig b/sound/soc/imx/Kconfig index 7ffeed2d351..32f0af77869 100644 --- a/sound/soc/imx/Kconfig +++ b/sound/soc/imx/Kconfig @@ -49,7 +49,7 @@ config SND_SOC_PHYCORE_AC97 config SND_SOC_IMX_SGTL5000 tristate "SoC Audio support for i.MX boards with sgtl5000" - depends on MACH_MX35_3DS || MACH_MX51_BABBAGE || MACH_MX53_LOCO + depends on MACH_MX35_3DS || MACH_MX51_BABBAGE || MACH_MX53_LOCO || SOC_IMX6Q select SND_SOC_SGTL5000 select SND_MXC_SOC_MX2 help |