1 files changed, 73 insertions, 18 deletions

diff --git a/drivers/interconnect/qcom/osm-l3.c b/drivers/interconnect/qcom/osm-l3.c
index 96fb9ff5ff2e..695f28789e98 100644
--- a/drivers/interconnect/qcom/osm-l3.c
+++ b/drivers/interconnect/qcom/osm-l3.c
@@ -16,17 +16,24 @@
 
 #include "sc7180.h"
 #include "sdm845.h"
+#include "sm8150.h"
+#include "sm8250.h"
 
 #define LUT_MAX_ENTRIES			40U
 #define LUT_SRC				GENMASK(31, 30)
 #define LUT_L_VAL			GENMASK(7, 0)
-#define LUT_ROW_SIZE			32
 #define CLK_HW_DIV			2
 
-/* Register offsets */
+/* OSM Register offsets */
 #define REG_ENABLE			0x0
-#define REG_FREQ_LUT			0x110
-#define REG_PERF_STATE			0x920
+#define OSM_LUT_ROW_SIZE		32
+#define OSM_REG_FREQ_LUT		0x110
+#define OSM_REG_PERF_STATE		0x920
+
+/* EPSS Register offsets */
+#define EPSS_LUT_ROW_SIZE		4
+#define EPSS_REG_FREQ_LUT		0x100
+#define EPSS_REG_PERF_STATE		0x320
 
 #define OSM_L3_MAX_LINKS		1
 
@@ -36,6 +43,7 @@
 struct qcom_osm_l3_icc_provider {
 	void __iomem *base;
 	unsigned int max_state;
+	unsigned int reg_perf_state;
 	unsigned long lut_tables[LUT_MAX_ENTRIES];
 	struct icc_provider provider;
 };
@@ -57,12 +65,15 @@ struct qcom_icc_node {
 };
 
 struct qcom_icc_desc {
-	struct qcom_icc_node **nodes;
+	const struct qcom_icc_node **nodes;
 	size_t num_nodes;
+	unsigned int lut_row_size;
+	unsigned int reg_freq_lut;
+	unsigned int reg_perf_state;
 };
 
 #define DEFINE_QNODE(_name, _id, _buswidth, ...)			\
-		static struct qcom_icc_node _name = {			\
+	static const struct qcom_icc_node _name = {			\
 		.name = #_name,						\
 		.id = _id,						\
 		.buswidth = _buswidth,					\
@@ -73,7 +84,7 @@ struct qcom_icc_desc {
 DEFINE_QNODE(sdm845_osm_apps_l3, SDM845_MASTER_OSM_L3_APPS, 16, SDM845_SLAVE_OSM_L3);
 DEFINE_QNODE(sdm845_osm_l3, SDM845_SLAVE_OSM_L3, 16);
 
-static struct qcom_icc_node *sdm845_osm_l3_nodes[] = {
+static const struct qcom_icc_node *sdm845_osm_l3_nodes[] = {
 	[MASTER_OSM_L3_APPS] = &sdm845_osm_apps_l3,
 	[SLAVE_OSM_L3] = &sdm845_osm_l3,
 };
@@ -81,12 +92,15 @@ static struct qcom_icc_node *sdm845_osm_l3_nodes[] = {
 static const struct qcom_icc_desc sdm845_icc_osm_l3 = {
 	.nodes = sdm845_osm_l3_nodes,
 	.num_nodes = ARRAY_SIZE(sdm845_osm_l3_nodes),
+	.lut_row_size = OSM_LUT_ROW_SIZE,
+	.reg_freq_lut = OSM_REG_FREQ_LUT,
+	.reg_perf_state = OSM_REG_PERF_STATE,
 };
 
 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[] = {
+static const struct qcom_icc_node *sc7180_osm_l3_nodes[] = {
 	[MASTER_OSM_L3_APPS] = &sc7180_osm_apps_l3,
 	[SLAVE_OSM_L3] = &sc7180_osm_l3,
 };
@@ -94,13 +108,48 @@ static struct qcom_icc_node *sc7180_osm_l3_nodes[] = {
 static const struct qcom_icc_desc sc7180_icc_osm_l3 = {
 	.nodes = sc7180_osm_l3_nodes,
 	.num_nodes = ARRAY_SIZE(sc7180_osm_l3_nodes),
+	.lut_row_size = OSM_LUT_ROW_SIZE,
+	.reg_freq_lut = OSM_REG_FREQ_LUT,
+	.reg_perf_state = OSM_REG_PERF_STATE,
+};
+
+DEFINE_QNODE(sm8150_osm_apps_l3, SM8150_MASTER_OSM_L3_APPS, 32, SM8150_SLAVE_OSM_L3);
+DEFINE_QNODE(sm8150_osm_l3, SM8150_SLAVE_OSM_L3, 32);
+
+static const struct qcom_icc_node *sm8150_osm_l3_nodes[] = {
+	[MASTER_OSM_L3_APPS] = &sm8150_osm_apps_l3,
+	[SLAVE_OSM_L3] = &sm8150_osm_l3,
+};
+
+static const struct qcom_icc_desc sm8150_icc_osm_l3 = {
+	.nodes = sm8150_osm_l3_nodes,
+	.num_nodes = ARRAY_SIZE(sm8150_osm_l3_nodes),
+	.lut_row_size = OSM_LUT_ROW_SIZE,
+	.reg_freq_lut = OSM_REG_FREQ_LUT,
+	.reg_perf_state = OSM_REG_PERF_STATE,
+};
+
+DEFINE_QNODE(sm8250_epss_apps_l3, SM8250_MASTER_EPSS_L3_APPS, 32, SM8250_SLAVE_EPSS_L3);
+DEFINE_QNODE(sm8250_epss_l3, SM8250_SLAVE_EPSS_L3, 32);
+
+static const struct qcom_icc_node *sm8250_epss_l3_nodes[] = {
+	[MASTER_EPSS_L3_APPS] = &sm8250_epss_apps_l3,
+	[SLAVE_EPSS_L3_SHARED] = &sm8250_epss_l3,
+};
+
+static const struct qcom_icc_desc sm8250_icc_epss_l3 = {
+	.nodes = sm8250_epss_l3_nodes,
+	.num_nodes = ARRAY_SIZE(sm8250_epss_l3_nodes),
+	.lut_row_size = EPSS_LUT_ROW_SIZE,
+	.reg_freq_lut = EPSS_REG_FREQ_LUT,
+	.reg_perf_state = EPSS_REG_PERF_STATE,
 };
 
 static int qcom_icc_set(struct icc_node *src, struct icc_node *dst)
 {
 	struct qcom_osm_l3_icc_provider *qp;
 	struct icc_provider *provider;
-	struct qcom_icc_node *qn;
+	const struct qcom_icc_node *qn;
 	struct icc_node *n;
 	unsigned int index;
 	u32 agg_peak = 0;
@@ -124,7 +173,7 @@ static int qcom_icc_set(struct icc_node *src, struct icc_node *dst)
 			break;
 	}
 
-	writel_relaxed(index, qp->base + REG_PERF_STATE);
+	writel_relaxed(index, qp->base + qp->reg_perf_state);
 
 	return 0;
 }
@@ -145,7 +194,7 @@ static int qcom_osm_l3_probe(struct platform_device *pdev)
 	const struct qcom_icc_desc *desc;
 	struct icc_onecell_data *data;
 	struct icc_provider *provider;
-	struct qcom_icc_node **qnodes;
+	const struct qcom_icc_node **qnodes;
 	struct icc_node *node;
 	size_t num_nodes;
 	struct clk *clk;
@@ -179,9 +228,15 @@ static int qcom_osm_l3_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
+	desc = device_get_match_data(&pdev->dev);
+	if (!desc)
+		return -EINVAL;
+
+	qp->reg_perf_state = desc->reg_perf_state;
+
 	for (i = 0; i < LUT_MAX_ENTRIES; i++) {
-		info = readl_relaxed(qp->base + REG_FREQ_LUT +
-				     i * LUT_ROW_SIZE);
+		info = readl_relaxed(qp->base + desc->reg_freq_lut +
+				     i * desc->lut_row_size);
 		src = FIELD_GET(LUT_SRC, info);
 		lval = FIELD_GET(LUT_L_VAL, info);
 		if (src)
@@ -200,10 +255,6 @@ static int qcom_osm_l3_probe(struct platform_device *pdev)
 	}
 	qp->max_state = i;
 
-	desc = device_get_match_data(&pdev->dev);
-	if (!desc)
-		return -EINVAL;
-
 	qnodes = desc->nodes;
 	num_nodes = desc->num_nodes;
 
@@ -235,7 +286,8 @@ static int qcom_osm_l3_probe(struct platform_device *pdev)
 		}
 
 		node->name = qnodes[i]->name;
-		node->data = qnodes[i];
+		/* Cast away const and add it back in qcom_icc_set() */
+		node->data = (void *)qnodes[i];
 		icc_node_add(node, provider);
 
 		for (j = 0; j < qnodes[i]->num_links; j++)
@@ -258,6 +310,8 @@ err:
 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 },
+	{ .compatible = "qcom,sm8150-osm-l3", .data = &sm8150_icc_osm_l3 },
+	{ .compatible = "qcom,sm8250-epss-l3", .data = &sm8250_icc_epss_l3 },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, osm_l3_of_match);
@@ -268,6 +322,7 @@ static struct platform_driver osm_l3_driver = {
 	.driver = {
 		.name = "osm-l3",
 		.of_match_table = osm_l3_of_match,
+		.sync_state = icc_sync_state,
 	},
 };
 module_platform_driver(osm_l3_driver);