linux-kernel - [PATCH 2/4] soc: qcom: icc-bwmon: add support for sc7280 LLCC BWMON

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Date:   Thu, 1 Sep 2022 18:17:28 +0530
From:   Rajendra Nayak <quic_rjendra@...cinc.com>
To:     <krzysztof.kozlowski@...aro.org>, <agross@...nel.org>,
        <andersson@...nel.org>, <konrad.dybcio@...ainline.org>,
        <robh+dt@...nel.org>
CC:     <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        Rajendra Nayak <quic_rjendra@...cinc.com>
Subject: [PATCH 2/4] soc: qcom: icc-bwmon: add support for sc7280 LLCC BWMON

Add support for sc7280 BWMON instance measuring traffic between LLCC and
memory with the v5 register layout.

Signed-off-by: Rajendra Nayak <quic_rjendra@...cinc.com>
---
 drivers/soc/qcom/icc-bwmon.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/soc/qcom/icc-bwmon.c b/drivers/soc/qcom/icc-bwmon.c
index 47c2c3e7bb3f..44a10009b45e 100644
--- a/drivers/soc/qcom/icc-bwmon.c
+++ b/drivers/soc/qcom/icc-bwmon.c
@@ -656,6 +656,18 @@ static const struct icc_bwmon_data sdm845_llcc_bwmon_data = {
 	.regmap_cfg = &sdm845_llcc_bwmon_regmap_cfg,
 };
 
+static const struct icc_bwmon_data sc7280_llcc_bwmon_data = {
+	.sample_ms = 4,
+	.count_unit_kb = 64,
+	.default_highbw_kbps = 800 * 1024, /* 800 MBps */
+	.default_medbw_kbps = 256 * 1024, /* 256 MBps */
+	.default_lowbw_kbps = 0,
+	.zone1_thres_count = 16,
+	.zone3_thres_count = 1,
+	.regmap_fields = sdm845_llcc_bwmon_reg_fields,
+	.regmap_cfg = &sdm845_llcc_bwmon_regmap_cfg,
+};
+
 static const struct of_device_id bwmon_of_match[] = {
 	{
 		.compatible = "qcom,msm8998-bwmon",
@@ -663,6 +675,9 @@ static const struct of_device_id bwmon_of_match[] = {
 	}, {
 		.compatible = "qcom,sdm845-llcc-bwmon",
 		.data = &sdm845_llcc_bwmon_data
+	}, {
+		.compatible = "qcom,sc7280-llcc-bwmon",
+		.data = &sc7280_llcc_bwmon_data
 	},
 	{}
 };
-- 
2.17.1