Merge tag 'mailbox-v5.18' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox updates from Jassi Brar:
 "qcom:
   - add support for MSM8976

  mtk:
   - enable mt8186
   - add ADSP controller driver

  ti:
   - use poll mode during suspend

  tegra:
   - fix tx channel flush

  imx:
   - add i.MX8 SECO MU support
   - prepare for, and add iMX93 support"

* tag 'mailbox-v5.18' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  dt-bindings: mailbox: add definition for mt8186
  mailbox: ti-msgmgr: Operate mailbox in polled mode during system suspend
  mailbox: ti-msgmgr: Refactor message read during interrupt handler
  mailbox: imx: support i.MX93 S401 MU
  mailbox: imx: support dual interrupts
  mailbox: imx: extend irq to an array
  dt-bindings: mailbox: imx-mu: add i.MX93 S4 MU support
  dt-bindings: mailbox: imx-mu: add i.MX93 MU
  mailbox: imx: add i.MX8 SECO MU support
  mailbox: imx: introduce rxdb callback
  dt-bindings: mailbox: imx-mu: add i.MX8 SECO MU support
  mailbox: imx: enlarge timeout while reading/writing messages to SCFW
  mailbox: imx: fix crash in resume on i.mx8ulp
  mailbox: imx: fix wakeup failure from freeze mode
  mailbox: mediatek: add support for adsp mailbox controller
  dt-bindings: mailbox: mtk,adsp-mbox: add mtk adsp-mbox document
  mailbox: qcom-apcs-ipc: Add compatible for MSM8976 SoC
  dt-bindings: mailbox: Add compatible for the MSM8976
  mailbox: tegra-hsp: Flush whole channel

Author: torvalds

Documentation/devicetree/bindings/mailbox/fsl,mu.yaml

@@ -28,7 +28,12 @@ properties:
       - const: fsl,imx7ulp-mu
       - const: fsl,imx8ulp-mu
       - const: fsl,imx8-mu-scu
+      - const: fsl,imx8-mu-seco
+      - const: fsl,imx93-mu-s4
       - const: fsl,imx8ulp-mu-s4
+      - items:
+          - const: fsl,imx93-mu
+          - const: fsl,imx8ulp-mu
       - items:
           - enum:
               - fsl,imx7s-mu
@@ -51,7 +56,14 @@ properties:
     maxItems: 1
 
   interrupts:
-    maxItems: 1
+    minItems: 1
+    maxItems: 2
+
+  interrupt-names:
+    minItems: 1
+    items:
+      - const: tx
+      - const: rx
 
   "#mbox-cells":
     description: |
@@ -86,6 +98,27 @@ required:
   - interrupts
   - "#mbox-cells"
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          enum:
+            - fsl,imx93-mu-s4
+    then:
+      properties:
+        interrupt-names:
+          minItems: 2
+        interrupts:
+          minItems: 2
+
+    else:
+      properties:
+        interrupts:
+          maxItems: 1
+      not:
+        required:
+          - interrupt-names
+
 additionalProperties: false
 
 examples:

Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml

@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mailbox/mtk,adsp-mbox.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek ADSP mailbox
+
+maintainers:
+  - Allen-KH Cheng <Allen-KH.Cheng@mediatek.com>
+
+description: |
+  The MTK ADSP mailbox Inter-Processor Communication (IPC) enables the SoC
+  to ommunicate with ADSP by passing messages through two mailbox channels.
+  The MTK ADSP mailbox IPC also provides the ability for one processor to
+  signal the other processor using interrupts.
+
+properties:
+  compatible:
+    items:
+      - const: mediatek,mt8195-adsp-mbox
+
+  "#mbox-cells":
+    const: 0
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - "#mbox-cells"
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    adsp_mailbox0:mailbox@10816000 {
+        compatible = "mediatek,mt8195-adsp-mbox";
+        #mbox-cells = <0>;
+        reg = <0x10816000 0x1000>;
+        interrupts = <GIC_SPI 702 IRQ_TYPE_LEVEL_HIGH 0>;
+    };

Documentation/devicetree/bindings/mailbox/mtk-gce.txt

@@ -10,7 +10,8 @@ mailbox.txt for generic information about mailbox device-tree bindings.
 
 Required properties:
 - compatible: can be "mediatek,mt8173-gce", "mediatek,mt8183-gce",
-  "mediatek,mt8192-gce", "mediatek,mt8195-gce" or "mediatek,mt6779-gce".
+  "mediatek,mt8186-gce", "mediatek,mt8192-gce", "mediatek,mt8195-gce" or
+  "mediatek,mt6779-gce".
 - reg: Address range of the GCE unit
 - interrupts: The interrupt signal from the GCE block
 - clock: Clocks according to the common clock binding
@@ -40,8 +41,9 @@ Optional properties for a client mutex node:
   defined in 'dt-bindings/gce/<chip>-gce.h'.
 
 Some vaules of properties are defined in 'dt-bindings/gce/mt8173-gce.h',
-'dt-bindings/gce/mt8183-gce.h', 'dt-bindings/gce/mt8192-gce.h',
-'dt-bindings/gce/mt8195-gce.h' or 'dt-bindings/gce/mt6779-gce.h'.
+'dt-bindings/gce/mt8183-gce.h', 'dt-bindings/gce/mt8186-gce.h'
+'dt-bindings/gce/mt8192-gce.h', 'dt-bindings/gce/mt8195-gce.h' or
+'dt-bindings/gce/mt6779-gce.h'.
 Such as sub-system ids, thread priority, event ids.
 
 Example:

Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml

@@ -21,6 +21,7 @@ properties:
       - qcom,msm8916-apcs-kpss-global
       - qcom,msm8939-apcs-kpss-global
       - qcom,msm8953-apcs-kpss-global
+      - qcom,msm8976-apcs-kpss-global
       - qcom,msm8994-apcs-kpss-global
       - qcom,msm8996-apcs-hmss-global
       - qcom,msm8998-apcs-hmss-global

drivers/mailbox/Kconfig

@@ -238,6 +238,15 @@ config STM32_IPCC
 	  with hardware for Inter-Processor Communication Controller (IPCC)
 	  between processors. Say Y here if you want to have this support.
 
+config MTK_ADSP_MBOX
+	tristate "MediaTek ADSP Mailbox Controller"
+	depends on ARCH_MEDIATEK || COMPILE_TEST
+	help
+          Say yes here to add support for "MediaTek ADSP Mailbox Controller.
+          This mailbox driver is used to send notification or short message
+          between processors with ADSP. It will place the message to share
+	  buffer and will access the ipc control.
+
 config MTK_CMDQ_MBOX
 	tristate "MediaTek CMDQ Mailbox Support"
 	depends on ARCH_MEDIATEK || COMPILE_TEST

drivers/mailbox/Makefile

@@ -49,6 +49,8 @@ obj-$(CONFIG_TEGRA_HSP_MBOX)	+= tegra-hsp.o
 
 obj-$(CONFIG_STM32_IPCC) 	+= stm32-ipcc.o
 
+obj-$(CONFIG_MTK_ADSP_MBOX)	+= mtk-adsp-mailbox.o
+
 obj-$(CONFIG_MTK_CMDQ_MBOX)	+= mtk-cmdq-mailbox.o
 
 obj-$(CONFIG_ZYNQMP_IPI_MBOX)	+= zynqmp-ipi-mailbox.o