diff options
| author | Shengjiu Wang <shengjiu.wang@nxp.com> | 2019-01-30 14:58:57 +0800 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2019-11-25 15:52:17 +0800 |
| commit | 87850fce9591db72709ec8acee100a79b843d083 (patch) | |
| tree | d26bb711625b9d8b6d9756bf349ef2587dc41480 /sound/soc/fsl/fsl_dsp.c | |
| parent | badc4f7be2f879be7abf28f093c18e987d42151f (diff) | |
ASoC: fsl_dsp: support multi power domain
support multi power domain
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Diffstat (limited to 'sound/soc/fsl/fsl_dsp.c')
| -rw-r--r-- | sound/soc/fsl/fsl_dsp.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/sound/soc/fsl/fsl_dsp.c b/sound/soc/fsl/fsl_dsp.c index aa49eb694d71..fa6e2478714a 100644 --- a/sound/soc/fsl/fsl_dsp.c +++ b/sound/soc/fsl/fsl_dsp.c @@ -52,6 +52,7 @@ #include <linux/miscdevice.h> #include <linux/fs.h> #include <linux/pm_runtime.h> +#include <linux/pm_domain.h> #include <linux/mx8_mu.h> #include <linux/uaccess.h> #include <linux/poll.h> @@ -783,6 +784,7 @@ static int fsl_dsp_probe(struct platform_device *pdev) dma_addr_t buf_phys; int size, offset, i; int ret; + int num_domains = 0; char tmp[16]; dsp_priv = devm_kzalloc(&pdev->dev, sizeof(*dsp_priv), GFP_KERNEL); @@ -816,6 +818,24 @@ static int fsl_dsp_probe(struct platform_device *pdev) return ret; }; + num_domains = of_count_phandle_with_args(np, "power-domains", + "#power-domain-cells"); + for (i = 0; i < num_domains; i++) { + struct device *pd_dev; + struct device_link *link; + + pd_dev = dev_pm_domain_attach_by_id(&pdev->dev, i); + if (IS_ERR(pd_dev)) + return PTR_ERR(pd_dev); + + link = device_link_add(&pdev->dev, pd_dev, + DL_FLAG_STATELESS | + DL_FLAG_PM_RUNTIME | + DL_FLAG_RPM_ACTIVE); + if (IS_ERR(link)) + return PTR_ERR(link); + } + if (dsp_priv->dsp_board_type == DSP_IMX8QXP_TYPE) { ret = imx_sc_misc_set_control(dsp_priv->dsp_ipcHandle, IMX_SC_R_DSP, IMX_SC_C_OFS_SEL, 1); |