[v2,6/6] clk: qcom: Add support for Video Clock Controller on QCS8300

Commit Message

Imran Shaik Oct. 24, 2024, 1:31 p.m. UTC

Add support to the QCS8300 Video clock controller by extending
the SA8775P Video clock controller, which is mostly identical
but QCS8300 has minor difference.

Signed-off-by: Imran Shaik <[e-mail]>
---
 drivers/clk/qcom/videocc-sa8775p.c | 8 ++++++++
 1 file changed, 8 insertions(+)

Comments

Dmitry Baryshkov Oct. 24, 2024, 7:43 p.m. UTC | #1

On Thu, Oct 24, 2024 at 07:01:19PM +0530, Imran Shaik wrote:
> Add support to the QCS8300 Video clock controller by extending
> the SA8775P Video clock controller, which is mostly identical
> but QCS8300 has minor difference.
> 
> Signed-off-by: Imran Shaik <[e-mail]>
> ---
>  drivers/clk/qcom/videocc-sa8775p.c | 8 ++++++++
>  1 file changed, 8 insertions(+)

Reviewed-by: Dmitry Baryshkov <[e-mail]>

Patch

diff --git a/drivers/clk/qcom/videocc-sa8775p.c b/drivers/clk/qcom/videocc-sa8775p.c
index bf5de411fd5d..db492984fd7d 100644
--- a/drivers/clk/qcom/videocc-sa8775p.c
+++ b/drivers/clk/qcom/videocc-sa8775p.c
@@ -523,6 +523,7 @@  static struct qcom_cc_desc video_cc_sa8775p_desc = {
 };
 
 static const struct of_device_id video_cc_sa8775p_match_table[] = {
+	{ .compatible = "qcom,qcs8300-videocc" },
 	{ .compatible = "qcom,sa8775p-videocc" },
 	{ }
 };
@@ -550,6 +551,13 @@  static int video_cc_sa8775p_probe(struct platform_device *pdev)
 	clk_lucid_evo_pll_configure(&video_pll0, regmap, &video_pll0_config);
 	clk_lucid_evo_pll_configure(&video_pll1, regmap, &video_pll1_config);
 
+	/*
+	 * Set mvs0c clock divider to div-3 to make the mvs0 and
+	 * mvs0c clocks to run at the same frequency on QCS8300
+	 */
+	if (of_device_is_compatible(pdev->dev.of_node, "qcom,qcs8300-videocc"))
+		regmap_write(regmap, video_cc_mvs0c_div2_div_clk_src.reg, 2);
+
 	/* Keep some clocks always enabled */
 	qcom_branch_set_clk_en(regmap, 0x80ec); /* VIDEO_CC_AHB_CLK */
 	qcom_branch_set_clk_en(regmap, 0x8144); /* VIDEO_CC_SLEEP_CLK */