Add support of MediaTek mt8188 to SOF

Merge series from Tinghan Shen <tinghan.shen@mediatek.com>:

Add support of MediaTek mt8188 SoC DSP to SOF.
The sof driver patches in this series are taken from
thesofproject/linux/tree/topic/sof-dev-rebase.

Documentation/devicetree/bindings/dsp/mediatek,mt8186-dsp.yaml

@@ -15,7 +15,9 @@ description: |
 
 properties:
   compatible:
-    const: mediatek,mt8186-dsp
+    enum:
+      - mediatek,mt8186-dsp
+      - mediatek,mt8188-dsp
 
   reg:
     items:

sound/soc/sof/mediatek/mt8186/mt8186.c

@@ -588,6 +588,9 @@ static struct snd_sof_dsp_ops sof_mt8186_ops = {
 	.drv		= mt8186_dai,
 	.num_drv	= ARRAY_SIZE(mt8186_dai),
 
+	/* Debug information */
+	.debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
+
 	/* PM */
 	.suspend	= mt8186_dsp_suspend,
 	.resume		= mt8186_dsp_resume,
@@ -625,8 +628,25 @@ static const struct sof_dev_desc sof_of_mt8186_desc = {
 	.ops = &sof_mt8186_ops,
 };
 
+static const struct sof_dev_desc sof_of_mt8188_desc = {
+	.ipc_supported_mask	= BIT(SOF_IPC),
+	.ipc_default		= SOF_IPC,
+	.default_fw_path = {
+		[SOF_IPC] = "mediatek/sof",
+	},
+	.default_tplg_path = {
+		[SOF_IPC] = "mediatek/sof-tplg",
+	},
+	.default_fw_filename = {
+		[SOF_IPC] = "sof-mt8188.ri",
+	},
+	.nocodec_tplg_filename = "sof-mt8188-nocodec.tplg",
+	.ops = &sof_mt8186_ops,
+};
+
 static const struct of_device_id sof_of_mt8186_ids[] = {
 	{ .compatible = "mediatek,mt8186-dsp", .data = &sof_of_mt8186_desc},
+	{ .compatible = "mediatek,mt8188-dsp", .data = &sof_of_mt8188_desc},
 	{ }
 };
 MODULE_DEVICE_TABLE(of, sof_of_mt8186_ids);

sound/soc/sof/mediatek/mt8186/mt8186.h

@@ -52,7 +52,15 @@ struct snd_sof_dev;
 #define ADSP_PRID			0x0
 #define ADSP_ALTVEC_C0			0x04
 #define ADSP_ALTVECSEL			0x0C
-#define ADSP_ALTVECSEL_C0		BIT(1)
+#define MT8188_ADSP_ALTVECSEL_C0	BIT(0)
+#define MT8186_ADSP_ALTVECSEL_C0	BIT(1)
+
+/*
+ * On MT8188, BIT(1) is not evaluated and on MT8186 BIT(0) is not evaluated:
+ * We can simplify the driver by safely setting both bits regardless of the SoC.
+ */
+#define ADSP_ALTVECSEL_C0		(MT8188_ADSP_ALTVECSEL_C0 | \
+					 MT8186_ADSP_ALTVECSEL_C0)
 
 /* dsp bus */
 #define ADSP_SRAM_POOL_CON		0x190

sound/soc/sof/mediatek/mt8195/mt8195.c

@@ -637,6 +637,7 @@ static struct snd_sof_dsp_ops sof_mt8195_ops = {
 
 	/* Debug information */
 	.dbg_dump = mt8195_adsp_dump,
+	.debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
 
 	/* DAI drivers */
 	.drv = mt8195_dai,