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authorLinus Torvalds <torvalds@linux-foundation.org>2022-05-26 14:57:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-05-26 14:57:25 -0700
commitcdeffe87f790dfd1baa193020411ce9a538446d7 (patch)
tree89488a1afbf4032f7361219a6590e48107bdc494 /Documentation
parentMerge tag 'gpio-updates-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux (diff)
parentmailbox: qcom-ipcc: Fix -Wunused-function with CONFIG_PM_SLEEP=n (diff)
downloadlinux-dev-cdeffe87f790dfd1baa193020411ce9a538446d7.tar.xz
linux-dev-cdeffe87f790dfd1baa193020411ce9a538446d7.zip
Merge tag 'mailbox-v5.19' of git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jassi Brar: "api: - hrtimer fix qcom: - log pending irq during resume - minor cosmetic changes omap: - use pm_runtime_resume_and_get imx: - use pm_runtime_resume_and_get - remove redundant initializer mtk: - added GCE header for MT8186 - enable support for MT8186 tegra: - remove redundant NULL check - added hsp_sm_ops for send/recv api - support shared mailboxes stm: - remove unsupported "wakeup" irq pcc: - sanitize mbox allocated memory before use misc: - documentation fixes for arm_mhu and qcom-ipcc" * tag 'mailbox-v5.19' of git://git.linaro.org/landing-teams/working/fujitsu/integration: mailbox: qcom-ipcc: Fix -Wunused-function with CONFIG_PM_SLEEP=n mailbox: forward the hrtimer if not queued and under a lock mailbox: qcom-ipcc: Log the pending interrupt during resume mailbox: pcc: Fix an invalid-load caught by the address sanitizer dt-bindings: mailbox: remove the IPCC "wakeup" IRQ mailbox: correct kerneldoc mailbox: omap: using pm_runtime_resume_and_get to simplify the code mailbox:imx: using pm_runtime_resume_and_get mailbox: mediatek: support mt8186 adsp mailbox dt-bindings: mailbox: mtk,adsp-mbox: add mt8186 compatible name mailbox: tegra-hsp: Add 128-bit shared mailbox support dt-bindings: tegra186-hsp: add type for shared mailboxes mailbox: tegra-hsp: Add tegra_hsp_sm_ops dt-bindings: gce: add the GCE header file for MT8186 mailbox: remove an unneeded NULL check on list iterator mailbox: imx: remove redundant initializer dt-bindings: mailbox: qcom-ipcc: simplify the example
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml7
-rw-r--r--Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.yaml9
-rw-r--r--Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml29
-rw-r--r--Documentation/devicetree/bindings/mailbox/st,stm32-ipcc.yaml11
4 files changed, 26 insertions, 30 deletions
diff --git a/Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml b/Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml
index fe454a1fba17..72c1d9e82c89 100644
--- a/Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml
+++ b/Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml
@@ -11,14 +11,15 @@ maintainers:
description: |
The MTK ADSP mailbox Inter-Processor Communication (IPC) enables the SoC
- to ommunicate with ADSP by passing messages through two mailbox channels.
+ to communicate 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
+ enum:
+ - mediatek,mt8195-adsp-mbox
+ - mediatek,mt8186-adsp-mbox
"#mbox-cells":
const: 0
diff --git a/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.yaml b/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.yaml
index 9f7a7296b57f..a3e87516d637 100644
--- a/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.yaml
+++ b/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.yaml
@@ -26,6 +26,15 @@ description: |
second cell is used to identify the mailbox that the client is going
to use.
+ For shared mailboxes, the first cell composed of two fields:
+ - bits 15..8:
+ A bit mask of flags that further specifies the type of shared
+ mailbox to be used (based on the data size). If no flag is
+ specified then, 32-bit shared mailbox is used.
+ - bits 7..0:
+ Defines the type of the mailbox to be used. This field should be
+ TEGRA_HSP_MBOX_TYPE_SM for shared mailboxes.
+
For doorbells, the second cell specifies the index of the doorbell to
use.
diff --git a/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml b/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml
index c57dd423e98c..1994be858940 100644
--- a/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml
+++ b/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml
@@ -62,23 +62,14 @@ additionalProperties: false
examples:
- |
- #include <dt-bindings/interrupt-controller/arm-gic.h>
- #include <dt-bindings/mailbox/qcom-ipcc.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/mailbox/qcom-ipcc.h>
- mailbox@408000 {
- compatible = "qcom,sm8250-ipcc", "qcom,ipcc";
- reg = <0x408000 0x1000>;
- interrupts = <GIC_SPI 229 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-controller;
- #interrupt-cells = <3>;
- #mbox-cells = <2>;
- };
-
- smp2p-modem {
- compatible = "qcom,smp2p";
- interrupts-extended = <&ipcc_mproc IPCC_CLIENT_MPSS
- IPCC_MPROC_SIGNAL_SMP2P IRQ_TYPE_EDGE_RISING>;
- mboxes = <&ipcc_mproc IPCC_CLIENT_MPSS IPCC_MPROC_SIGNAL_SMP2P>;
-
- /* Other SMP2P fields */
- };
+ mailbox@408000 {
+ compatible = "qcom,sm8250-ipcc", "qcom,ipcc";
+ reg = <0x408000 0x1000>;
+ interrupts = <GIC_SPI 229 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ #mbox-cells = <2>;
+ };
diff --git a/Documentation/devicetree/bindings/mailbox/st,stm32-ipcc.yaml b/Documentation/devicetree/bindings/mailbox/st,stm32-ipcc.yaml
index 8eb4bf52ea27..2c8b47285aa3 100644
--- a/Documentation/devicetree/bindings/mailbox/st,stm32-ipcc.yaml
+++ b/Documentation/devicetree/bindings/mailbox/st,stm32-ipcc.yaml
@@ -30,15 +30,11 @@ properties:
items:
- description: rx channel occupied
- description: tx channel free
- - description: wakeup source
- minItems: 2
interrupt-names:
items:
- const: rx
- const: tx
- - const: wakeup
- minItems: 2
wakeup-source: true
@@ -70,10 +66,9 @@ examples:
#mbox-cells = <1>;
reg = <0x4c001000 0x400>;
st,proc-id = <0>;
- interrupts-extended = <&intc GIC_SPI 100 IRQ_TYPE_NONE>,
- <&intc GIC_SPI 101 IRQ_TYPE_NONE>,
- <&aiec 62 1>;
- interrupt-names = "rx", "tx", "wakeup";
+ interrupts-extended = <&exti 61 1>,
+ <&intc GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "rx", "tx";
clocks = <&rcc_clk IPCC>;
wakeup-source;
};