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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /drivers/interconnect/mediatek/mt8183.c
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ...
Diffstat (limited to 'drivers/interconnect/mediatek/mt8183.c')
-rw-r--r--drivers/interconnect/mediatek/mt8183.c142
1 files changed, 142 insertions, 0 deletions
diff --git a/drivers/interconnect/mediatek/mt8183.c b/drivers/interconnect/mediatek/mt8183.c
new file mode 100644
index 000000000..ed607a8b8
--- /dev/null
+++ b/drivers/interconnect/mediatek/mt8183.c
@@ -0,0 +1,142 @@
+// 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/module.h>
+#include <linux/platform_device.h>
+#include <dt-bindings/interconnect/mediatek,mt8183.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_MFG,
+ .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 *mt8183_emi_icc_nodes[] = {
+ [SLAVE_DDR_EMI] = &ddr_emi,
+ [MASTER_MCUSYS] = &mcusys,
+ [MASTER_MFG] = &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
+};
+
+static const struct mtk_icc_desc mt8183_emi_icc = {
+ .nodes = mt8183_emi_icc_nodes,
+ .num_nodes = ARRAY_SIZE(mt8183_emi_icc_nodes),
+};
+
+static const struct of_device_id mtk_mt8183_emi_icc_of_match[] = {
+ { .compatible = "mediatek,mt8183-emi", .data = &mt8183_emi_icc },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, mtk_mt8183_emi_icc_of_match);
+
+static struct platform_driver mtk_emi_icc_mt8183_driver = {
+ .driver = {
+ .name = "emi-icc-mt8183",
+ .of_match_table = mtk_mt8183_emi_icc_of_match,
+ .sync_state = icc_sync_state,
+ },
+ .probe = mtk_emi_icc_probe,
+ .remove = mtk_emi_icc_remove,
+
+};
+module_platform_driver(mtk_emi_icc_mt8183_driver);
+
+MODULE_AUTHOR("AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>");
+MODULE_DESCRIPTION("MediaTek MT8183 EMI ICC driver");
+MODULE_LICENSE("GPL");