linux-kernel - [PATCH 2/2] interconnect: qcom: sm8650: add the MASTER_APSS

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Message-Id: <20250415-topic-sm8650-upstream-icc-apss-noc-v1-2-9e6bea3943d8@linaro.org>
Date: Tue, 15 Apr 2025 16:03:48 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Georgi Djakov <djakov@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH 2/2] interconnect: qcom: sm8650: add the MASTER_APSS_NOC

Add the MASTER_APSS_NOC interconnect node of the system NoC
and the associated QoS configuration.

Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 drivers/interconnect/qcom/sm8650.c | 19 +++++++++++++++++++
 drivers/interconnect/qcom/sm8650.h |  1 +
 2 files changed, 20 insertions(+)

diff --git a/drivers/interconnect/qcom/sm8650.c b/drivers/interconnect/qcom/sm8650.c
index f6911891503a7ed65be8bc37ed600e87d4cfcc42..1eb2cc3bea672a01f88bfcf24fd82395a07ea36f 100644
--- a/drivers/interconnect/qcom/sm8650.c
+++ b/drivers/interconnect/qcom/sm8650.c
@@ -847,6 +847,24 @@ static struct qcom_icc_node qnm_aggre2_noc = {
 	.links = { SM8650_SLAVE_SNOC_GEM_NOC_SF },
 };
 
+static struct qcom_icc_qosbox qnm_apss_noc_qos = {
+	.num_ports = 1,
+	.port_offsets = { 0x1c000 },
+	.prio = 2,
+	.urg_fwd = 0,
+	.prio_fwd_disable = 1,
+};
+
+static struct qcom_icc_node qnm_apss_noc = {
+	.name = "qnm_apss_noc",
+	.id = SM8650_MASTER_APSS_NOC,
+	.channels = 1,
+	.buswidth = 4,
+	.qosbox = &qnm_apss_noc_qos,
+	.num_links = 1,
+	.links = { SM8650_SLAVE_SNOC_GEM_NOC_SF },
+};
+
 static struct qcom_icc_node qns_a1noc_snoc = {
 	.name = "qns_a1noc_snoc",
 	.id = SM8650_SLAVE_A1NOC_SNOC,
@@ -1946,6 +1964,7 @@ static struct qcom_icc_node * const system_noc_nodes[] = {
 	[MASTER_A1NOC_SNOC] = &qnm_aggre1_noc,
 	[MASTER_A2NOC_SNOC] = &qnm_aggre2_noc,
 	[SLAVE_SNOC_GEM_NOC_SF] = &qns_gemnoc_sf,
+	[MASTER_APSS_NOC] = &qnm_apss_noc,
 };
 
 static const struct qcom_icc_desc sm8650_system_noc = {
diff --git a/drivers/interconnect/qcom/sm8650.h b/drivers/interconnect/qcom/sm8650.h
index de35c956fe4995aba9e962e52f47bf773b2211c1..b6610225b38acce12c47046769bb0460a1ae4229 100644
--- a/drivers/interconnect/qcom/sm8650.h
+++ b/drivers/interconnect/qcom/sm8650.h
@@ -139,5 +139,6 @@
 #define SM8650_SLAVE_USB3_0			127
 #define SM8650_SLAVE_VENUS_CFG			128
 #define SM8650_SLAVE_VSENSE_CTRL_CFG		129
+#define SM8650_MASTER_APSS_NOC			130
 
 #endif

-- 
2.34.1