video: bridge: ssd2825: set default minimum tx_clk

If TX_CLK is not set or gives an error, use SSD2825_REF_MIN_CLK.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>

diff --git a/drivers/video/bridge/ssd2825.c b/drivers/video/bridge/ssd2825.c
index eafd9f5..b8653cc 100644 (file)
--- a/drivers/video/bridge/ssd2825.c
+++ b/drivers/video/bridge/ssd2825.c
@@ -311,6 +311,9 @@ static void ssd2825_setup_pll(struct udevice *dev)
        u8 hzd, hpd;
 
        tx_freq_khz = clk_get_rate(priv->tx_clk) / 1000;
+       if (!tx_freq_khz || tx_freq_khz < 0)
+               tx_freq_khz = SSD2825_REF_MIN_CLK;
+
        pd_lines = mipi_dsi_pixel_format_to_bpp(device->format);
        pclk_mult = pd_lines / device->lanes + 1;
 
@@ -539,7 +542,7 @@ static int ssd2825_bridge_probe(struct udevice *dev)
        }
 
        /* get clk */
-       priv->tx_clk = devm_clk_get(dev, "tx_clk");
+       priv->tx_clk = devm_clk_get_optional(dev, NULL);
        if (IS_ERR(priv->tx_clk)) {
                log_err("cannot get tx_clk: %ld\n", PTR_ERR(priv->tx_clk));
                return PTR_ERR(priv->tx_clk);