Add a driver for the MSM8996 NoCs. This chip is similar to SDM660 where
some busses are controlled by RPM, while others directly by the AP with
writes to QoS registers.
This driver currently supports all NoCs except a0noc.
Signed-off-by: Yassine Oudjana <y.oudjana@xxxxxxxxxxxxxx>
---
drivers/interconnect/qcom/Kconfig | 9 +
drivers/interconnect/qcom/Makefile | 2 +
drivers/interconnect/qcom/msm8996.c | 574 ++++++++++++++++++++++++++++
drivers/interconnect/qcom/msm8996.h | 149 ++++++++
4 files changed, 734 insertions(+)
create mode 100644 drivers/interconnect/qcom/msm8996.c
create mode 100644 drivers/interconnect/qcom/msm8996.h
diff --git a/drivers/interconnect/qcom/Kconfig b/drivers/interconnect/qcom/Kconfig
index ad16224f1720..e30ad95e5584 100644
--- a/drivers/interconnect/qcom/Kconfig
+++ b/drivers/interconnect/qcom/Kconfig
@@ -35,6 +35,15 @@ config INTERCONNECT_QCOM_MSM8974
This is a driver for the Qualcomm Network-on-Chip on msm8974-based
platforms.
+config INTERCONNECT_QCOM_MSM8996
+ tristate "Qualcomm MSM8996 interconnect driver"
+ depends on INTERCONNECT_QCOM
+ depends on QCOM_SMD_RPM
+ select INTERCONNECT_QCOM_SMD_RPM_QOS
+ help
+ This is a driver for the Qualcomm Network-on-Chip on msm8996-based
+ platforms.
+
config INTERCONNECT_QCOM_OSM_L3
tristate "Qualcomm OSM L3 interconnect driver"
depends on INTERCONNECT_QCOM || COMPILE_TEST
diff --git a/drivers/interconnect/qcom/Makefile b/drivers/interconnect/qcom/Makefile
index 2d04d024f46e..8a198b8b7a45 100644
--- a/drivers/interconnect/qcom/Makefile
+++ b/drivers/interconnect/qcom/Makefile
@@ -4,6 +4,7 @@ icc-bcm-voter-objs := bcm-voter.o
qnoc-msm8916-objs := msm8916.o
qnoc-msm8939-objs := msm8939.o
qnoc-msm8974-objs := msm8974.o
+qnoc-msm8996-objs := msm8996.o
icc-osm-l3-objs := osm-l3.o
qnoc-qcs404-objs := qcs404.o
icc-rpmh-obj := icc-rpmh.o
@@ -22,6 +23,7 @@ obj-$(CONFIG_INTERCONNECT_QCOM_BCM_VOTER) += icc-bcm-voter.o
obj-$(CONFIG_INTERCONNECT_QCOM_MSM8916) += qnoc-msm8916.o
obj-$(CONFIG_INTERCONNECT_QCOM_MSM8939) += qnoc-msm8939.o
obj-$(CONFIG_INTERCONNECT_QCOM_MSM8974) += qnoc-msm8974.o
+obj-$(CONFIG_INTERCONNECT_QCOM_MSM8996) += qnoc-msm8996.o
obj-$(CONFIG_INTERCONNECT_QCOM_OSM_L3) += icc-osm-l3.o
obj-$(CONFIG_INTERCONNECT_QCOM_QCS404) += qnoc-qcs404.o
obj-$(CONFIG_INTERCONNECT_QCOM_RPMH) += icc-rpmh.o
diff --git a/drivers/interconnect/qcom/msm8996.c b/drivers/interconnect/qcom/msm8996.c
new file mode 100644
index 000000000000..0cb93d743f35
--- /dev/null
+++ b/drivers/interconnect/qcom/msm8996.c
@@ -0,0 +1,574 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*[..]
+ * Qualcomm MSM8996 Network-on-Chip (NoC) QoS driver
+ *
+ * Copyright (c) 2021 Yassine Oudjana <y.oudjana@xxxxxxxxxxxxxx>
+ */
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/interconnect-provider.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/interconnect/qcom,msm8996.h>
+
+#include "icc-rpm-qos.h"
+#include "smd-rpm.h"
+#include "msm8996.h"
+
+DEFINE_QNODE(mas_mdp_p0, MSM8996_MASTER_MDP_PORT0, 32, 8, -1, true, NOC_QOS_MODE_BYPASS, 0, 1, MSM8996_SLAVE_MNOC_BIMC);
+DEFINE_QNODE(mas_mdp_p1, MSM8996_MASTER_MDP_PORT1, 32, 61, -1, true, NOC_QOS_MODE_BYPASS, 0, 2, MSM8996_SLAVE_MNOC_BIMC);
+DEFINE_QNODE(mas_rotator, MSM8996_MASTER_ROTATOR, 32, 120, -1, true, NOC_QOS_MODE_BYPASS, 0, 0, MSM8996_SLAVE_MNOC_BIMC);
+DEFINE_QNODE(mas_venus, MSM8996_MASTER_VIDEO_P0, 32, 9, -1, true, NOC_QOS_MODE_BYPASS, 0, 3 /* TODO: 3 4 ?? */, MSM8996_SLAVE_MNOC_BIMC);
+static const struct regmap_config msm8996_mnoc_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x20000,
+ .fast_io = true,
+};
+
+static const struct qcom_icc_desc msm8996_mnoc = {
+ .nodes = mnoc_nodes,
+ .num_nodes = ARRAY_SIZE(mnoc_nodes),
+ .regmap_cfg = &msm8996_mnoc_regmap_config,
+};
+
+
+static struct qcom_icc_node *pnoc_nodes[] = {[..]
+ [MASTER_SNOC_PNOC] = &mas_snoc_pnoc,
+ [MASTER_SDCC_1] = &mas_sdcc_1,
+ [MASTER_SDCC_2] = &mas_sdcc_2,
+ [MASTER_SDCC_4] = &mas_sdcc_4,
+ [MASTER_USB_HS] = &mas_usb_hs,
+ [MASTER_BLSP_1] = &mas_blsp_1,
+ [MASTER_BLSP_2] = &mas_blsp_2,
+ [MASTER_TSIF] = &mas_tsif,
+ [SLAVE_PNOC_A1NOC] = &slv_pnoc_a1noc,
+ [SLAVE_USB_HS] = &slv_usb_hs,
+ [SLAVE_SDCC_2] = &slv_sdcc_2,
+ [SLAVE_SDCC_4] = &slv_sdcc_4,
+ [SLAVE_TSIF] = &slv_tsif,
+ [SLAVE_BLSP_2] = &slv_blsp_2,
+ [SLAVE_SDCC_1] = &slv_sdcc_1,
+ [SLAVE_BLSP_1] = &slv_blsp_1,
+ [SLAVE_PDM] = &slv_pdm,
+ [SLAVE_AHB2PHY] = &slv_ahb2phy,
+};
+
+static const struct regmap_config msm8996_pnoc_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x3000,
+ .fast_io = true,
+};
+
+ for (i = 0; i < num_nodes; i++) {
+ size_t j;
+
+ node = icc_node_create(qnodes[i]->id);
+ if (IS_ERR(node)) {
+ ret = PTR_ERR(node);
+ goto err;
+ }
+
+ node->name = qnodes[i]->name;
+ node->data = qnodes[i];
+ icc_node_add(node, provider);
+
+ for (j = 0; j < qnodes[i]->num_links; j++) {
+ icc_link_create(node, qnodes[i]->links[j]);
+ }