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path: root/drivers/interconnect/mediatek/mt8195.c
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Diffstat (limited to 'drivers/interconnect/mediatek/mt8195.c')
-rw-r--r--drivers/interconnect/mediatek/mt8195.c339
1 files changed, 339 insertions, 0 deletions
diff --git a/drivers/interconnect/mediatek/mt8195.c b/drivers/interconnect/mediatek/mt8195.c
new file mode 100644
index 000000000000..710e14c5447c
--- /dev/null
+++ b/drivers/interconnect/mediatek/mt8195.c
@@ -0,0 +1,339 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2021 MediaTek Inc.
+ * Copyright (c) 2024 Collabora Ltd.
+ * AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+ */
+
+#include <linux/device.h>
+#include <linux/interconnect.h>
+#include <linux/interconnect-provider.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <dt-bindings/interconnect/mediatek,mt8195.h>
+
+#include "icc-emi.h"
+
+static struct mtk_icc_node ddr_emi = {
+ .name = "ddr-emi",
+ .id = SLAVE_DDR_EMI,
+ .ep = 1,
+};
+
+static struct mtk_icc_node mcusys = {
+ .name = "mcusys",
+ .id = MASTER_MCUSYS,
+ .ep = 0,
+ .num_links = 1,
+ .links = { SLAVE_DDR_EMI }
+};
+
+static struct mtk_icc_node gpu = {
+ .name = "gpu",
+ .id = MASTER_GPUSYS,
+ .ep = 0,
+ .num_links = 1,
+ .links = { SLAVE_DDR_EMI }
+};
+
+static struct mtk_icc_node mmsys = {
+ .name = "mmsys",
+ .id = MASTER_MMSYS,
+ .ep = 0,
+ .num_links = 1,
+ .links = { SLAVE_DDR_EMI }
+};
+
+static struct mtk_icc_node mm_vpu = {
+ .name = "mm-vpu",
+ .id = MASTER_MM_VPU,
+ .ep = 0,
+ .num_links = 1,
+ .links = { MASTER_MMSYS }
+};
+
+static struct mtk_icc_node mm_disp = {
+ .name = "mm-disp",
+ .id = MASTER_MM_DISP,
+ .ep = 0,
+ .num_links = 1,
+ .links = { MASTER_MMSYS }
+};
+
+static struct mtk_icc_node mm_vdec = {
+ .name = "mm-vdec",
+ .id = MASTER_MM_VDEC,
+ .ep = 0,
+ .num_links = 1,
+ .links = { MASTER_MMSYS }
+};
+
+static struct mtk_icc_node mm_venc = {
+ .name = "mm-venc",
+ .id = MASTER_MM_VENC,
+ .ep = 0,
+ .num_links = 1,
+ .links = { MASTER_MMSYS }
+};
+
+static struct mtk_icc_node mm_cam = {
+ .name = "mm-cam",
+ .id = MASTER_MM_CAM,
+ .ep = 0,
+ .num_links = 1,
+ .links = { MASTER_MMSYS }
+};
+
+static struct mtk_icc_node mm_img = {
+ .name = "mm-img",
+ .id = MASTER_MM_IMG,
+ .ep = 0,
+ .num_links = 1,
+ .links = { MASTER_MMSYS }
+};
+
+static struct mtk_icc_node mm_mdp = {
+ .name = "mm-mdp",
+ .id = MASTER_MM_MDP,
+ .ep = 0,
+ .num_links = 1,
+ .links = { MASTER_MMSYS }
+};
+
+static struct mtk_icc_node vpusys = {
+ .name = "vpusys",
+ .id = MASTER_VPUSYS,
+ .ep = 0,
+ .num_links = 1,
+ .links = { SLAVE_DDR_EMI }
+};
+
+static struct mtk_icc_node vpu_port0 = {
+ .name = "vpu-port0",
+ .id = MASTER_VPU_0,
+ .ep = 0,
+ .num_links = 1,
+ .links = { MASTER_VPUSYS }
+};
+
+static struct mtk_icc_node vpu_port1 = {
+ .name = "vpu-port1",
+ .id = MASTER_VPU_1,
+ .ep = 0,
+ .num_links = 1,
+ .links = { MASTER_VPUSYS }
+};
+
+static struct mtk_icc_node mdlasys = {
+ .name = "mdlasys",
+ .id = MASTER_MDLASYS,
+ .ep = 0,
+ .num_links = 1,
+ .links = { SLAVE_DDR_EMI }
+};
+
+static struct mtk_icc_node mdla_port0 = {
+ .name = "mdla-port0",
+ .id = MASTER_MDLA_0,
+ .ep = 0,
+ .num_links = 1,
+ .links = { MASTER_MDLASYS }
+};
+
+static struct mtk_icc_node ufs = {
+ .name = "ufs",
+ .id = MASTER_UFS,
+ .ep = 0,
+ .num_links = 1,
+ .links = { SLAVE_DDR_EMI }
+};
+
+static struct mtk_icc_node pcie0 = {
+ .name = "pcie0",
+ .id = MASTER_PCIE_0,
+ .ep = 0,
+ .num_links = 1,
+ .links = { SLAVE_DDR_EMI }
+};
+
+static struct mtk_icc_node pcie1 = {
+ .name = "pcie1",
+ .id = MASTER_PCIE_1,
+ .ep = 0,
+ .num_links = 1,
+ .links = { SLAVE_DDR_EMI }
+};
+
+static struct mtk_icc_node usb = {
+ .name = "usb",
+ .id = MASTER_USB,
+ .ep = 0,
+ .num_links = 1,
+ .links = { SLAVE_DDR_EMI }
+};
+
+static struct mtk_icc_node wifi = {
+ .name = "wifi",
+ .id = MASTER_WIFI,
+ .ep = 0,
+ .num_links = 1,
+ .links = { SLAVE_DDR_EMI }
+};
+
+static struct mtk_icc_node bt = {
+ .name = "bt",
+ .id = MASTER_BT,
+ .ep = 0,
+ .num_links = 1,
+ .links = { SLAVE_DDR_EMI }
+};
+
+static struct mtk_icc_node netsys = {
+ .name = "netsys",
+ .id = MASTER_NETSYS,
+ .ep = 0,
+ .num_links = 1,
+ .links = { SLAVE_DDR_EMI }
+};
+
+static struct mtk_icc_node dbgif = {
+ .name = "dbgif",
+ .id = MASTER_DBGIF,
+ .ep = 0,
+ .num_links = 1,
+ .links = { SLAVE_DDR_EMI }
+};
+
+static struct mtk_icc_node hrt_ddr_emi = {
+ .name = "hrt-ddr-emi",
+ .id = SLAVE_HRT_DDR_EMI,
+ .ep = 2,
+};
+
+static struct mtk_icc_node hrt_mmsys = {
+ .name = "hrt-mmsys",
+ .id = MASTER_HRT_MMSYS,
+ .ep = 0,
+ .num_links = 1,
+ .links = { SLAVE_HRT_DDR_EMI }
+};
+
+static struct mtk_icc_node hrt_mm_disp = {
+ .name = "hrt-mm-disp",
+ .id = MASTER_HRT_MM_DISP,
+ .ep = 0,
+ .num_links = 1,
+ .links = { MASTER_HRT_MMSYS }
+};
+
+static struct mtk_icc_node hrt_mm_vdec = {
+ .name = "hrt-mm-vdec",
+ .id = MASTER_HRT_MM_VDEC,
+ .ep = 0,
+ .num_links = 1,
+ .links = { MASTER_HRT_MMSYS }
+};
+
+static struct mtk_icc_node hrt_mm_venc = {
+ .name = "hrt-mm-venc",
+ .id = MASTER_HRT_MM_VENC,
+ .ep = 0,
+ .num_links = 1,
+ .links = { MASTER_HRT_MMSYS }
+};
+
+static struct mtk_icc_node hrt_mm_cam = {
+ .name = "hrt-mm-cam",
+ .id = MASTER_HRT_MM_CAM,
+ .ep = 0,
+ .num_links = 1,
+ .links = { MASTER_HRT_MMSYS }
+};
+
+static struct mtk_icc_node hrt_mm_img = {
+ .name = "hrt-mm-img",
+ .id = MASTER_HRT_MM_IMG,
+ .ep = 0,
+ .num_links = 1,
+ .links = { MASTER_HRT_MMSYS }
+};
+
+static struct mtk_icc_node hrt_mm_mdp = {
+ .name = "hrt-mm-mdp",
+ .id = MASTER_HRT_MM_MDP,
+ .ep = 0,
+ .num_links = 1,
+ .links = { MASTER_HRT_MMSYS }
+};
+
+static struct mtk_icc_node hrt_dbgif = {
+ .name = "hrt-dbgif",
+ .id = MASTER_HRT_DBGIF,
+ .ep = 0,
+ .num_links = 1,
+ .links = { SLAVE_HRT_DDR_EMI }
+};
+
+static struct mtk_icc_node *mt8195_emi_icc_nodes[] = {
+ [SLAVE_DDR_EMI] = &ddr_emi,
+ [MASTER_MCUSYS] = &mcusys,
+ [MASTER_GPUSYS] = &gpu,
+ [MASTER_MMSYS] = &mmsys,
+ [MASTER_MM_VPU] = &mm_vpu,
+ [MASTER_MM_DISP] = &mm_disp,
+ [MASTER_MM_VDEC] = &mm_vdec,
+ [MASTER_MM_VENC] = &mm_venc,
+ [MASTER_MM_CAM] = &mm_cam,
+ [MASTER_MM_IMG] = &mm_img,
+ [MASTER_MM_MDP] = &mm_mdp,
+ [MASTER_VPUSYS] = &vpusys,
+ [MASTER_VPU_0] = &vpu_port0,
+ [MASTER_VPU_1] = &vpu_port1,
+ [MASTER_MDLASYS] = &mdlasys,
+ [MASTER_MDLA_0] = &mdla_port0,
+ [MASTER_UFS] = &ufs,
+ [MASTER_PCIE_0] = &pcie0,
+ [MASTER_PCIE_1] = &pcie1,
+ [MASTER_USB] = &usb,
+ [MASTER_WIFI] = &wifi,
+ [MASTER_BT] = &bt,
+ [MASTER_NETSYS] = &netsys,
+ [MASTER_DBGIF] = &dbgif,
+ [SLAVE_HRT_DDR_EMI] = &hrt_ddr_emi,
+ [MASTER_HRT_MMSYS] = &hrt_mmsys,
+ [MASTER_HRT_MM_DISP] = &hrt_mm_disp,
+ [MASTER_HRT_MM_VDEC] = &hrt_mm_vdec,
+ [MASTER_HRT_MM_VENC] = &hrt_mm_venc,
+ [MASTER_HRT_MM_CAM] = &hrt_mm_cam,
+ [MASTER_HRT_MM_IMG] = &hrt_mm_img,
+ [MASTER_HRT_MM_MDP] = &hrt_mm_mdp,
+ [MASTER_HRT_DBGIF] = &hrt_dbgif
+};
+
+static struct mtk_icc_desc mt8195_emi_icc = {
+ .nodes = mt8195_emi_icc_nodes,
+ .num_nodes = ARRAY_SIZE(mt8195_emi_icc_nodes),
+};
+
+static const struct of_device_id mtk_mt8195_emi_icc_of_match[] = {
+ { .compatible = "mediatek,mt8195-emi", .data = &mt8195_emi_icc },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, mtk_mt8195_emi_icc_of_match);
+
+static struct platform_driver mtk_emi_icc_mt8195_driver = {
+ .driver = {
+ .name = "emi-icc-mt8195",
+ .of_match_table = mtk_mt8195_emi_icc_of_match,
+ .sync_state = icc_sync_state,
+ },
+ .probe = mtk_emi_icc_probe,
+ .remove_new = mtk_emi_icc_remove,
+
+};
+module_platform_driver(mtk_emi_icc_mt8195_driver);
+
+MODULE_AUTHOR("AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>");
+MODULE_DESCRIPTION("MediaTek MT8195 EMI ICC driver");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-09 17:14:33 +0300