diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-imx6q.c')
| -rw-r--r-- | arch/arm/mach-imx/mach-imx6q.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 3f46730ac06..7be60b27f13 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> @@ -33,6 +35,12 @@ #include <mach/mxc_vpu.h> static iomux_v3_cfg_t imx6q_sabrelite_pads[] = { + /* AUDMUX */ + MX6Q_PAD_SD2_DAT0__AUDMUX_AUD4_RXD, + MX6Q_PAD_SD2_DAT3__AUDMUX_AUD4_TXC, + MX6Q_PAD_SD2_DAT2__AUDMUX_AUD4_TXD, + MX6Q_PAD_SD2_DAT1__AUDMUX_AUD4_TXFS, + /* DISPLAY */ MX6Q_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK, MX6Q_PAD_DI0_PIN15__IPU1_DI0_PIN15, @@ -64,6 +72,11 @@ static iomux_v3_cfg_t imx6q_sabrelite_pads[] = { MX6Q_PAD_DISP0_DAT23__IPU1_DISP0_DAT_23, /* PWM1 */ MX6Q_PAD_SD1_CMD__PWM4_PWMO, + /* sgtl5000 clock */ + MX6Q_PAD_GPIO_0__CCM_CLKO, + /* I2C1, SGTL5000 */ + MX6Q_PAD_EIM_D21__I2C1_SCL, /* GPIO3[21] */ + MX6Q_PAD_EIM_D28__I2C1_SDA, /* GPIO3[28] */ /* I2C2 */ MX6Q_PAD_KEY_COL3__I2C2_SCL, MX6Q_PAD_KEY_ROW3__I2C2_SDA, @@ -124,6 +137,45 @@ 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; + int rate; + + clko = clk_get(NULL, "clko_clk"); + if (IS_ERR(clko)) { + pr_err("can't get CLKO clock.\n"); + return PTR_ERR(clko); + } + 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 +190,9 @@ 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(); } |