From: Joakim Zhang <joakim.zhang@cixtech.com>
Date: Fri, 5 Dec 2025 15:46:19 +0000 (+0800)
Subject: ALSA: hda: dt-bindings: add CIX IPBLOQ HDA controller support
X-Git-Tag: v6.19-rc1~20^2~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=85a6544777e0f57cce902f7217a377eb74b7d1a4;p=thirdparty%2Fkernel%2Flinux.git

ALSA: hda: dt-bindings: add CIX IPBLOQ HDA controller support

Add CIX IPBLOQ HDA controller support, which is integrated into
CIX SKY1 audio subsystem. HDA controller supports 64bit, but the
audio subsystem can only 32bit transaction. Use jack polling mode
as there is a hardware issue, lead to interrupt strom if the RIRB
interrupt enabled. Host and hdac has different view of memory, so
need do dma address translation.

Signed-off-by: Joakim Zhang <joakim.zhang@cixtech.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20251205154621.3019640-2-joakim.zhang@cixtech.com
---

diff --git a/Documentation/devicetree/bindings/sound/cix,sky1-ipbloq-hda.yaml b/Documentation/devicetree/bindings/sound/cix,sky1-ipbloq-hda.yaml
new file mode 100644
index 0000000000000..02ac5f1aa926c
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/cix,sky1-ipbloq-hda.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/cix,sky1-ipbloq-hda.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: CIX IPBLOQ HDA controller
+
+description:
+  CIX IPBLOQ High Definition Audio (HDA) Controller
+
+maintainers:
+  - Joakim Zhang <joakim.zhang@cixtech.com>
+
+allOf:
+  - $ref: sound-card-common.yaml#
+
+properties:
+  compatible:
+    const: cix,sky1-ipbloq-hda
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 2
+
+  clock-names:
+    items:
+      - const: ipg
+      - const: per
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - resets
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include<dt-bindings/interrupt-controller/arm-gic.h>
+
+    hda@70c0000 {
+        compatible = "cix,sky1-ipbloq-hda";
+        reg = <0x70c0000 0x10000>;
+        interrupts = <GIC_SPI 234 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&audss_clk 7>,
+                 <&audss_clk 8>;
+        clock-names = "ipg", "per";
+        resets = <&audss_rst 14>;
+        model = "CIX SKY1 EVB HDA";
+    };