The default CSI_SCLK seems unable to drive the sensor to capture
the image, so update it to working clock rate 300MHz for A64.
Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
---
drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
index bbe45e893722..4b872800b244 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
+++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
@@ -822,6 +822,11 @@ static int sun6i_csi_resource_request(struct sun6i_csi_dev *sdev,
return PTR_ERR(sdev->clk_mod);
}
+ /* A64 need 300MHz mod clock to operate properly */
+ if (of_device_is_compatible(pdev->dev.of_node,
+ "allwinner,sun50i-a64-csi"))
+ clk_set_rate_exclusive(sdev->clk_mod, 300000000);
+
sdev->clk_ram = devm_clk_get(&pdev->dev, "ram");
if (IS_ERR(sdev->clk_ram)) {
dev_err(&pdev->dev, "Unable to acquire dram-csi clock\n");
--
2.18.0.321.gffc6fa0e3
