linux-kernel - [PATCH RESEND 6/7] clk: qcom: apss-ipq6018: add the GPLL0 clock also as clock provider

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Message-ID: <20230904-gpll_cleanup-v1-6-de2c448f1188@quicinc.com>
Date:   Wed, 6 Sep 2023 10:26:25 +0530
From:   Kathiravan Thirumoorthy <quic_kathirav@...cinc.com>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Jassi Brar <jassisinghbrar@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        "Stephen Boyd" <sboyd@...nel.org>,
        Sricharan Ramabadhran <quic_srichara@...cinc.com>,
        Anusha Rao <quic_anusha@...cinc.com>,
        Devi Priya <quic_devipriy@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-clk@...r.kernel.org>
CC:     Kathiravan Thirumoorthy <quic_kathirav@...cinc.com>
Subject: [PATCH RESEND 6/7] clk: qcom: apss-ipq6018: add the GPLL0 clock
 also as clock provider

While the kernel is booting up, APSS PLL will be running at 800MHz with
GPLL0 as source. Once the cpufreq driver is available, APSS PLL will be
configured and select the rate based on the opp table and the source will
be changed to APSS_PLL_EARLY.

Without this patch, CPU Freq driver reports that CPU is running at 24MHz
instead of the 800MHz.

Signed-off-by: Kathiravan Thirumoorthy <quic_kathirav@...cinc.com>
---
 drivers/clk/qcom/apss-ipq6018.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/clk/qcom/apss-ipq6018.c b/drivers/clk/qcom/apss-ipq6018.c
index f2f502e2d5a4..4e13a085a857 100644
--- a/drivers/clk/qcom/apss-ipq6018.c
+++ b/drivers/clk/qcom/apss-ipq6018.c
@@ -20,16 +20,19 @@
 
 enum {
 	P_XO,
+	P_GPLL0,
 	P_APSS_PLL_EARLY,
 };
 
 static const struct clk_parent_data parents_apcs_alias0_clk_src[] = {
 	{ .fw_name = "xo" },
+	{ .fw_name = "gpll0" },
 	{ .fw_name = "pll" },
 };
 
 static const struct parent_map parents_apcs_alias0_clk_src_map[] = {
 	{ P_XO, 0 },
+	{ P_GPLL0, 4 },
 	{ P_APSS_PLL_EARLY, 5 },
 };
 

-- 
2.34.1