linux-kernel - [PATCH v4 6/6] clk: qcom: Add support for Video Clock Controller on QCS8300

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20250109-qcs8300-mm-patches-new-v4-6-63e8ac268b02@quicinc.com>
Date: Thu, 9 Jan 2025 14:27:49 +0530
From: Imran Shaik <quic_imrashai@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette
	<mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Rob Herring
	<robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
	<conor+dt@...nel.org>
CC: Ajit Pandey <quic_ajipan@...cinc.com>, Taniya Das <quic_tdas@...cinc.com>,
        Jagadeesh Kona <quic_jkona@...cinc.com>,
        Satya Priya Kakitapalli
	<quic_skakitap@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Imran Shaik <quic_imrashai@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski@...aro.org>
Subject: [PATCH v4 6/6] clk: qcom: Add support for Video Clock Controller
 on QCS8300

The QCS8300 Video clock controller is a derivative of SA8775P, but has a
minor difference. Hence add support for QCS8300 Video clock controller by
extending the SA8775P VideoCC.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Imran Shaik <quic_imrashai@...cinc.com>
---
 drivers/clk/qcom/videocc-sa8775p.c | 8 ++++++++
 1 file changed, 8 insertions(+)

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 */

-- 
2.25.1