[PATCH v3 3/4] mailbox: mtk-cmdq: Add cmdq driver for mt8189

Xiandong Wang xiandong.wang at mediatek.com
Mon Aug 18 20:36:10 PDT 2025


Add GCE platform data for MediaTek MT8189 to cmdq driver,
enabling support for MT8189 SoC by register MT8189 platform
data in gce_plat and device table.

These changes ensure correct GCE operation for MT8189.

Signed-off-by: Xiandong Wang <xiandong.wang at mediatek.com>
---
 drivers/mailbox/mtk-cmdq-mailbox.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c
index 177de5ab0ab2..543cd86b5bb0 100644
--- a/drivers/mailbox/mtk-cmdq-mailbox.c
+++ b/drivers/mailbox/mtk-cmdq-mailbox.c
@@ -799,12 +799,22 @@ static const struct gce_plat gce_plat_mt8195 = {
 	.gce_num = 2
 };
 
+static const struct gce_plat gce_plat_mt8189 = {
+	.thread_nr = 32,
+	.shift = 3,
+	.mminfra_offset = 0x40000000, /* 1GB */
+	.control_by_sw = false,
+	.sw_ddr_en = true,
+	.gce_num = 2
+};
+
 static const struct of_device_id cmdq_of_ids[] = {
 	{.compatible = "mediatek,mt6779-gce", .data = (void *)&gce_plat_mt6779},
 	{.compatible = "mediatek,mt8173-gce", .data = (void *)&gce_plat_mt8173},
 	{.compatible = "mediatek,mt8183-gce", .data = (void *)&gce_plat_mt8183},
 	{.compatible = "mediatek,mt8186-gce", .data = (void *)&gce_plat_mt8186},
 	{.compatible = "mediatek,mt8188-gce", .data = (void *)&gce_plat_mt8188},
+	{.compatible = "mediatek,mt8189-gce", .data = (void *)&gce_plat_mt8189},
 	{.compatible = "mediatek,mt8192-gce", .data = (void *)&gce_plat_mt8192},
 	{.compatible = "mediatek,mt8195-gce", .data = (void *)&gce_plat_mt8195},
 	{}
-- 
2.46.0




More information about the Linux-mediatek mailing list