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authorLinus Torvalds <torvalds@linux-foundation.org>2022-03-27 14:21:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-27 14:21:57 -0700
commit50d602d81f35621042fa0cdae25808662caffda8 (patch)
treeaac9b08f599800a97609845825641425b16678c4 /Documentation
parentMerge tag 'leds-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds (diff)
parentdt-bindings: mailbox: add definition for mt8186 (diff)
downloadlinux-dev-50d602d81f35621042fa0cdae25808662caffda8.tar.xz
linux-dev-50d602d81f35621042fa0cdae25808662caffda8.zip
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
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/mailbox/fsl,mu.yaml35
-rw-r--r--Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml50
-rw-r--r--Documentation/devicetree/bindings/mailbox/mtk-gce.txt8
-rw-r--r--Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml1
4 files changed, 90 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml
index a337bcd80c4a..7a86e7926dd2 100644
--- a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml
+++ b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml
@@ -28,8 +28,13 @@ 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
- fsl,imx8mq-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:
diff --git a/Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml b/Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml
new file mode 100644
index 000000000000..fe454a1fba17
--- /dev/null
+++ b/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>;
+ };
diff --git a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt
index 98fe37e8b17b..c2aeba63bd47 100644
--- a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt
+++ b/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:
diff --git a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml
index 01e9d9155c83..3b5ba7ecc19d 100644
--- a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml
+++ b/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