[PATCH v1 11/13] video: bridge: ssd2825: set default minimum tx_clk

[Svyatoslav Ryhel]

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

Signed-off-by: Svyatoslav Ryhel <clamor95 at gmail.com>
---
 drivers/video/bridge/ssd2825.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/video/bridge/ssd2825.c b/drivers/video/bridge/ssd2825.c
index eafd9f55913..b8653cc7297 100644
--- 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);
-- 
2.43.0