MLK-18368-5: hdmi_rx: add hdmi rx audio clock

add clock for hdmi audio rx

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>

diff --git a/drivers/media/platform/imx8/hdmi/mxc-hdmi-rx.c b/drivers/media/platform/imx8/hdmi/mxc-hdmi-rx.c
index 0ab1308..92acd0e 100644 (file)
--- a/drivers/media/platform/imx8/hdmi/mxc-hdmi-rx.c
+++ b/drivers/media/platform/imx8/hdmi/mxc-hdmi-rx.c
@@ -156,6 +156,12 @@ static int mxc_hdmi_clock_init(struct mxc_hdmi_rx_dev *hdmi_rx)
                return PTR_ERR(hdmi_rx->enc_clk);
        }
 
+       hdmi_rx->i2s_clk = devm_clk_get(dev, "i2s_clk");
+       if (IS_ERR(hdmi_rx->i2s_clk)) {
+               dev_err(dev, "failed to get hdmi rx i2s clk\n");
+               return PTR_ERR(hdmi_rx->i2s_clk);
+       }
+
        hdmi_rx->spdif_clk = devm_clk_get(dev, "spdif_clk");
        if (IS_ERR(hdmi_rx->spdif_clk)) {
                dev_err(dev, "failed to get hdmi rx spdif clk\n");
@@ -202,6 +208,13 @@ static int mxc_hdmi_clock_enable(struct mxc_hdmi_rx_dev *hdmi_rx)
                dev_err(dev, "%s, pre pclk error %d\n", __func__, ret);
                return ret;
        }
+
+       ret = clk_prepare_enable(hdmi_rx->i2s_clk);
+       if (ret < 0) {
+               dev_err(dev, "%s, pre i2s_clk error %d\n", __func__, ret);
+               return ret;
+       }
+
        ret = clk_prepare_enable(hdmi_rx->spdif_clk);
        if (ret < 0) {
                dev_err(dev, "%s, pre spdif_clk error %d\n", __func__, ret);
@@ -225,6 +238,7 @@ static void mxc_hdmi_clock_disable(struct mxc_hdmi_rx_dev *hdmi_rx)
        clk_disable_unprepare(hdmi_rx->enc_clk);
        clk_disable_unprepare(hdmi_rx->sclk);
        clk_disable_unprepare(hdmi_rx->pclk);
+       clk_disable_unprepare(hdmi_rx->i2s_clk);
        clk_disable_unprepare(hdmi_rx->spdif_clk);
        clk_disable_unprepare(hdmi_rx->pxl_link_clk);
 }

diff --git a/drivers/media/platform/imx8/hdmi/mxc-hdmi-rx.h b/drivers/media/platform/imx8/hdmi/mxc-hdmi-rx.h
index 85baaff..5c892d1 100644 (file)
--- a/drivers/media/platform/imx8/hdmi/mxc-hdmi-rx.h
+++ b/drivers/media/platform/imx8/hdmi/mxc-hdmi-rx.h
@@ -101,6 +101,7 @@ struct mxc_hdmi_rx_dev {
        struct clk              *ref_clk;
        struct clk              *pxl_clk;
        struct clk              *enc_clk;
+       struct clk              *i2s_clk;
        struct clk              *spdif_clk;
        struct clk              *pxl_link_clk;
        struct hdp_mem mem;