linux-kernel - [PATCH v4 4/4] interconnect: qcom: Add OSM L3 support on SC7180

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Date:   Fri, 10 Jan 2020 02:42:15 +0530
From:   Sibi Sankar <sibis@...eaurora.org>
To:     robh+dt@...nel.org, georgi.djakov@...aro.org, evgreen@...omium.org
Cc:     bjorn.andersson@...aro.org, agross@...nel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, mark.rutland@....com,
        daidavid1@...eaurora.org, saravanak@...gle.com,
        viresh.kumar@...aro.org, Sibi Sankar <sibis@...eaurora.org>
Subject: [PATCH v4 4/4] interconnect: qcom: Add OSM L3 support on SC7180

Add Operating State Manager (OSM) L3 interconnect provider support on
SC7180 SoCs.

Signed-off-by: Sibi Sankar <sibis@...eaurora.org>
---
 drivers/interconnect/qcom/osm-l3.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/interconnect/qcom/osm-l3.c b/drivers/interconnect/qcom/osm-l3.c
index 7fde53c70081e..df2cec3fa2913 100644
--- a/drivers/interconnect/qcom/osm-l3.c
+++ b/drivers/interconnect/qcom/osm-l3.c
@@ -28,6 +28,7 @@
 
 #define OSM_L3_MAX_LINKS		1
 #define SDM845_MAX_RSC_NODES		130
+#define SC7180_MAX_RSC_NODES		137
 
 #define to_qcom_provider(_provider) \
 	container_of(_provider, struct qcom_osm_l3_icc_provider, provider)
@@ -37,6 +38,11 @@ enum {
 	SDM845_SLAVE_OSM_L3,
 };
 
+enum {
+	SC7180_MASTER_OSM_L3_APPS = SC7180_MAX_RSC_NODES + 1,
+	SC7180_SLAVE_OSM_L3,
+};
+
 struct qcom_osm_l3_icc_provider {
 	void __iomem *base;
 	unsigned int max_state;
@@ -87,6 +93,19 @@ static struct qcom_icc_desc sdm845_icc_osm_l3 = {
 	.num_nodes = ARRAY_SIZE(sdm845_osm_l3_nodes),
 };
 
+DEFINE_QNODE(sc7180_osm_apps_l3, SC7180_MASTER_OSM_L3_APPS, 16, SC7180_SLAVE_OSM_L3);
+DEFINE_QNODE(sc7180_osm_l3, SC7180_SLAVE_OSM_L3, 16);
+
+static struct qcom_icc_node *sc7180_osm_l3_nodes[] = {
+	[MASTER_OSM_L3_APPS] = &sc7180_osm_apps_l3,
+	[SLAVE_OSM_L3] = &sc7180_osm_l3,
+};
+
+static struct qcom_icc_desc sc7180_icc_osm_l3 = {
+	.nodes = sc7180_osm_l3_nodes,
+	.num_nodes = ARRAY_SIZE(sc7180_osm_l3_nodes),
+};
+
 static int qcom_icc_set(struct icc_node *src, struct icc_node *dst)
 {
 	struct qcom_osm_l3_icc_provider *qp;
@@ -248,6 +267,7 @@ static int qcom_osm_l3_probe(struct platform_device *pdev)
 }
 
 static const struct of_device_id osm_l3_of_match[] = {
+	{ .compatible = "qcom,sc7180-osm-l3", .data = &sc7180_icc_osm_l3 },
 	{ .compatible = "qcom,sdm845-osm-l3", .data = &sdm845_icc_osm_l3 },
 	{ },
 };
-- 
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