linux-kernel - [PATCH v4 05/10] interconnect: qcom: qcm2290: Hook up MAS_APPS

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Message-Id: <20230726-topic-icc_coeff-v4-5-c04b60caa467@linaro.org>
Date:   Fri, 25 Aug 2023 17:38:27 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Georgi Djakov <djakov@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH v4 05/10] interconnect: qcom: qcm2290: Hook up
 MAS_APPS_PROC's bus clock

This single node has its own clock which seems to be responsible for
transactions between CPUSS (CPU + some stuff) and the GNOC. See [1]
for reference.

Define it and hook it up.

[1] https://android.googlesource.com/kernel/msm-extra/devicetree/+/02f8c342b23c20a5cf967df649814be37a08227c%5E%21/#F0
Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/interconnect/qcom/icc-rpm-clocks.c | 6 ++++++
 drivers/interconnect/qcom/icc-rpm.h        | 1 +
 drivers/interconnect/qcom/qcm2290.c        | 3 +++
 3 files changed, 10 insertions(+)

diff --git a/drivers/interconnect/qcom/icc-rpm-clocks.c b/drivers/interconnect/qcom/icc-rpm-clocks.c
index 63c82a91bbc7..ac1677de7dfd 100644
--- a/drivers/interconnect/qcom/icc-rpm-clocks.c
+++ b/drivers/interconnect/qcom/icc-rpm-clocks.c
@@ -25,6 +25,12 @@ const struct rpm_clk_resource bimc_clk = {
 };
 EXPORT_SYMBOL_GPL(bimc_clk);
 
+const struct rpm_clk_resource mem_1_clk = {
+	.resource_type = QCOM_SMD_RPM_MEM_CLK,
+	.clock_id = 1,
+};
+EXPORT_SYMBOL_GPL(mem_1_clk);
+
 const struct rpm_clk_resource bus_0_clk = {
 	.resource_type = QCOM_SMD_RPM_BUS_CLK,
 	.clock_id = 0,
diff --git a/drivers/interconnect/qcom/icc-rpm.h b/drivers/interconnect/qcom/icc-rpm.h
index 4abf99ce2690..a13768cfd231 100644
--- a/drivers/interconnect/qcom/icc-rpm.h
+++ b/drivers/interconnect/qcom/icc-rpm.h
@@ -152,6 +152,7 @@ extern const struct rpm_clk_resource bimc_clk;
 extern const struct rpm_clk_resource bus_0_clk;
 extern const struct rpm_clk_resource bus_1_clk;
 extern const struct rpm_clk_resource bus_2_clk;
+extern const struct rpm_clk_resource mem_1_clk;
 extern const struct rpm_clk_resource mmaxi_0_clk;
 extern const struct rpm_clk_resource mmaxi_1_clk;
 extern const struct rpm_clk_resource qup_clk;
diff --git a/drivers/interconnect/qcom/qcm2290.c b/drivers/interconnect/qcom/qcm2290.c
index 5bc4b7516608..026e4c82d6d4 100644
--- a/drivers/interconnect/qcom/qcm2290.c
+++ b/drivers/interconnect/qcom/qcm2290.c
@@ -112,6 +112,9 @@ static struct qcom_icc_node mas_appss_proc = {
 	.qos.qos_mode = NOC_QOS_MODE_FIXED,
 	.qos.prio_level = 0,
 	.qos.areq_prio = 0,
+	.bus_clk_desc = &mem_1_clk,
+	.ab_coeff = 159,
+	.ib_coeff = 96,
 	.mas_rpm_id = 0,
 	.slv_rpm_id = -1,
 	.num_links = ARRAY_SIZE(mas_appss_proc_links),

-- 
2.42.0