Add Epoch Subsystem (EPSS) L3 interconnect provider support on
SA8775P SoCs.
Signed-off-by: Raviteja Laggyshetty <quic_rlaggysh@xxxxxxxxxxx>
---
drivers/interconnect/qcom/osm-l3.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/drivers/interconnect/qcom/osm-l3.c b/drivers/interconnect/qcom/osm-l3.c
index 61a8695a9adc..e97d61a9d8d7 100644
--- a/drivers/interconnect/qcom/osm-l3.c
+++ b/drivers/interconnect/qcom/osm-l3.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <linux/args.h>
@@ -74,6 +75,11 @@ enum {
OSM_L3_SLAVE_NODE,
};
+enum {
+ EPSS_L3_CL1_MASTER_NODE = 20000,
+ EPSS_L3_CL1_SLAVE_NODE,
+};
+
#define DEFINE_QNODE(_name, _id, _buswidth, ...) \
static const struct qcom_osm_l3_node _name = { \
.name = #_name, \
@@ -99,6 +105,15 @@ static const struct qcom_osm_l3_node * const epss_l3_nodes[] = {
[SLAVE_EPSS_L3_SHARED] = &epss_l3_slave,
};
+DEFINE_QNODE(epss_l3_cl1_master, EPSS_L3_CL1_MASTER_NODE, 32,
+ EPSS_L3_CL1_SLAVE_NODE);
+DEFINE_QNODE(epss_l3_cl1_slave, EPSS_L3_CL1_SLAVE_NODE, 32);
+
+static const struct qcom_osm_l3_node * const epss_l3_cl1_nodes[] = {
+ [MASTER_EPSS_L3_APPS] = &epss_l3_cl1_master,
+ [SLAVE_EPSS_L3_SHARED] = &epss_l3_cl1_slave,
+};
+
static const struct qcom_osm_l3_desc osm_l3 = {
.nodes = osm_l3_nodes,
.num_nodes = ARRAY_SIZE(osm_l3_nodes),
@@ -115,6 +130,14 @@ static const struct qcom_osm_l3_desc epss_l3_perf_state = {
.reg_perf_state = EPSS_REG_PERF_STATE,
};
+static const struct qcom_osm_l3_desc epss_l3_cl1_perf_state = {
+ .nodes = epss_l3_cl1_nodes,
+ .num_nodes = ARRAY_SIZE(epss_l3_cl1_nodes),
+ .lut_row_size = EPSS_LUT_ROW_SIZE,
+ .reg_freq_lut = EPSS_REG_FREQ_LUT,
+ .reg_perf_state = EPSS_REG_PERF_STATE,
+};
+
static const struct qcom_osm_l3_desc epss_l3_l3_vote = {
.nodes = epss_l3_nodes,
.num_nodes = ARRAY_SIZE(epss_l3_nodes),
@@ -284,6 +307,10 @@ static const struct of_device_id osm_l3_of_match[] = {
{ .compatible = "qcom,sm8150-osm-l3", .data = &osm_l3 },
{ .compatible = "qcom,sc8180x-osm-l3", .data = &osm_l3 },
{ .compatible = "qcom,sm8250-epss-l3", .data = &epss_l3_perf_state },
+ { .compatible = "qcom,sa8775p-epss-l3-cl0",
+ .data = &epss_l3_perf_state },
+ { .compatible = "qcom,sa8775p-epss-l3-cl1",
+ .data = &epss_l3_cl1_perf_state },
{ }
};
MODULE_DEVICE_TABLE(of, osm_l3_of_match);
--
2.39.2
