diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2025-08-09 08:37:17 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2025-08-09 08:37:17 +0300 |
| commit | b20b8538b310f5458bd7a08b7ff8a76cc3c28d24 (patch) | |
| tree | 4ef94ddd228d94e63320b49f9554f12432377df7 /Documentation/devicetree | |
| parent | 0227b49b50276657243e54f5609e65c4f0eaaf4d (diff) | |
| parent | 5378bdf6a611a32500fccf13d14156f219bb0c85 (diff) | |
Merge tag 'mailbox-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox
Pull mailbox updates from Jassi Brar:
- aspeed: add driver and bindings for ast2700
- broadcom: add driver and bindings for bcm74110
- mediatek: fix RPM api usage
- qcom: use dev_fwnode
- pcc: support shared buffer
- misc dt-bindings cleanup
* tag 'mailbox-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox:
mailbox/pcc: support mailbox management of the shared buffer
mailbox: bcm74110: Fix spelling mistake
mailbox: bcm74110: remove unneeded semicolon
mailbox: aspeed: add mailbox driver for AST27XX series SoC
dt-bindings: mailbox: Add ASPEED AST2700 series SoC
dt-bindings: mailbox: Drop consumers example DTS
dt-bindings: mailbox: nvidia,tegra186-hsp: Use generic node name
dt-bindings: mailbox: Correct example indentation
dt-bindings: mailbox: ti,secure-proxy: Add missing reg maxItems
dt-bindings: mailbox: amlogic,meson-gxbb-mhu: Add missing interrupts maxItems
dt-bindings: mailbox: qcom-ipcc: document the Milos Inter-Processor Communication Controller
mailbox: Add support for bcm74110
dt-bindings: mailbox: Add support for bcm74110
mailbox: Use dev_fwnode()
mailbox: mtk-cmdq: Switch to pm_runtime_put_autosuspend()
Diffstat (limited to 'Documentation/devicetree')
10 files changed, 167 insertions, 52 deletions
diff --git a/Documentation/devicetree/bindings/mailbox/allwinner,sun6i-a31-msgbox.yaml b/Documentation/devicetree/bindings/mailbox/allwinner,sun6i-a31-msgbox.yaml index 75d5d97305e1..87d31963c1b7 100644 --- a/Documentation/devicetree/bindings/mailbox/allwinner,sun6i-a31-msgbox.yaml +++ b/Documentation/devicetree/bindings/mailbox/allwinner,sun6i-a31-msgbox.yaml @@ -68,13 +68,13 @@ examples: #include <dt-bindings/reset/sun8i-h3-ccu.h> msgbox: mailbox@1c17000 { - compatible = "allwinner,sun8i-h3-msgbox", - "allwinner,sun6i-a31-msgbox"; - reg = <0x01c17000 0x1000>; - clocks = <&ccu CLK_BUS_MSGBOX>; - resets = <&ccu RST_BUS_MSGBOX>; - interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>; - #mbox-cells = <1>; + compatible = "allwinner,sun8i-h3-msgbox", + "allwinner,sun6i-a31-msgbox"; + reg = <0x01c17000 0x1000>; + clocks = <&ccu CLK_BUS_MSGBOX>; + resets = <&ccu RST_BUS_MSGBOX>; + interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>; + #mbox-cells = <1>; }; ... diff --git a/Documentation/devicetree/bindings/mailbox/amlogic,meson-gxbb-mhu.yaml b/Documentation/devicetree/bindings/mailbox/amlogic,meson-gxbb-mhu.yaml index 385809ed1569..79963c9878ba 100644 --- a/Documentation/devicetree/bindings/mailbox/amlogic,meson-gxbb-mhu.yaml +++ b/Documentation/devicetree/bindings/mailbox/amlogic,meson-gxbb-mhu.yaml @@ -27,7 +27,7 @@ properties: maxItems: 1 interrupts: - minItems: 3 + maxItems: 3 description: Contains the interrupt information corresponding to each of the 3 links of MHU. @@ -46,8 +46,8 @@ additionalProperties: false examples: - | mailbox@c883c404 { - compatible = "amlogic,meson-gxbb-mhu"; - reg = <0xc883c404 0x4c>; - interrupts = <208>, <209>, <210>; - #mbox-cells = <1>; + compatible = "amlogic,meson-gxbb-mhu"; + reg = <0xc883c404 0x4c>; + interrupts = <208>, <209>, <210>; + #mbox-cells = <1>; }; diff --git a/Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml b/Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml index 4c0668e5f0bd..474c1a0f99f3 100644 --- a/Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml +++ b/Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml @@ -78,11 +78,11 @@ additionalProperties: false examples: - | - mailbox@77408000 { - compatible = "apple,t8103-asc-mailbox", "apple,asc-mailbox-v4"; - reg = <0x77408000 0x4000>; - interrupts = <1 583 4>, <1 584 4>, <1 585 4>, <1 586 4>; - interrupt-names = "send-empty", "send-not-empty", - "recv-empty", "recv-not-empty"; - #mbox-cells = <0>; - }; + mailbox@77408000 { + compatible = "apple,t8103-asc-mailbox", "apple,asc-mailbox-v4"; + reg = <0x77408000 0x4000>; + interrupts = <1 583 4>, <1 584 4>, <1 585 4>, <1 586 4>; + interrupt-names = "send-empty", "send-not-empty", + "recv-empty", "recv-not-empty"; + #mbox-cells = <0>; + }; diff --git a/Documentation/devicetree/bindings/mailbox/aspeed,ast2700-mailbox.yaml b/Documentation/devicetree/bindings/mailbox/aspeed,ast2700-mailbox.yaml new file mode 100644 index 000000000000..600e2d63fccd --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/aspeed,ast2700-mailbox.yaml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mailbox/aspeed,ast2700-mailbox.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED AST2700 mailbox controller + +maintainers: + - Jammy Huang <jammy_huang@aspeedtech.com> + +description: > + ASPEED AST2700 has multiple processors that need to communicate with each + other. The mailbox controller provides a way for these processors to send + messages to each other. It is a hardware-based inter-processor communication + mechanism that allows processors to send and receive messages through + dedicated channels. + + The mailbox's tx/rx are independent, meaning that one processor can send a + message while another processor is receiving a message simultaneously. + There are 4 channels available for both tx and rx operations. Each channel + has a FIFO buffer that can hold messages of a fixed size (32 bytes in this + case). + + The mailbox controller also supports interrupt generation, allowing + processors to notify each other when a message is available or when an event + occurs. + +properties: + compatible: + const: aspeed,ast2700-mailbox + + reg: + items: + - description: TX control register + - description: RX control register + + reg-names: + items: + - const: tx + - const: rx + + interrupts: + maxItems: 1 + + "#mbox-cells": + const: 1 + +required: + - compatible + - reg + - reg-names + - interrupts + - "#mbox-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + mailbox@12c1c200 { + compatible = "aspeed,ast2700-mailbox"; + reg = <0x12c1c200 0x100>, <0x12c1c300 0x100>; + reg-names = "tx", "rx"; + interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>; + #mbox-cells = <1>; + }; diff --git a/Documentation/devicetree/bindings/mailbox/brcm,bcm74110-mbox.yaml b/Documentation/devicetree/bindings/mailbox/brcm,bcm74110-mbox.yaml new file mode 100644 index 000000000000..750cc96edb46 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/brcm,bcm74110-mbox.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mailbox/brcm,bcm74110-mbox.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM74110 Mailbox + +maintainers: + - Justin Chen <justin.chen@broadcom.com> + - Florian Fainelli <florian.fainelli@broadcom.com> + +description: Broadcom mailbox hardware first introduced with 74110 + +properties: + compatible: + enum: + - brcm,bcm74110-mbox + + reg: + maxItems: 1 + + interrupts: + items: + - description: RX doorbell and watermark interrupts + - description: TX doorbell and watermark interrupts + + "#mbox-cells": + const: 2 + description: + The first cell is channel type and second cell is shared memory slot + + brcm,rx: + $ref: /schemas/types.yaml#/definitions/uint32 + description: RX Mailbox number + + brcm,tx: + $ref: /schemas/types.yaml#/definitions/uint32 + description: TX Mailbox number + +required: + - compatible + - reg + - interrupts + - "#mbox-cells" + - brcm,rx + - brcm,tx + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + mailbox@a552000 { + compatible = "brcm,bcm74110-mbox"; + reg = <0xa552000 0x1104>; + interrupts = <GIC_SPI 0x67 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 0x66 IRQ_TYPE_LEVEL_HIGH>; + #mbox-cells = <0x2>; + brcm,rx = <0x7>; + brcm,tx = <0x6>; + }; diff --git a/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.yaml b/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.yaml index d97050e40fbf..f833b845de0d 100644 --- a/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.yaml +++ b/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.yaml @@ -59,9 +59,6 @@ description: | <dt-bindings/mailbox/tegra186-hsp.h> properties: - $nodename: - pattern: "^hsp@[0-9a-f]+$" - compatible: oneOf: - enum: @@ -131,14 +128,10 @@ examples: #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/mailbox/tegra186-hsp.h> - hsp_top0: hsp@3c00000 { + mailbox@3c00000 { compatible = "nvidia,tegra186-hsp"; reg = <0x03c00000 0xa0000>; interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>; interrupt-names = "doorbell"; #mbox-cells = <2>; }; - - client { - mboxes = <&hsp_top0 TEGRA_HSP_MBOX_TYPE_DB TEGRA_HSP_DB_MASTER_CCPLEX>; - }; diff --git a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml index ac726136f7e5..615ed103b7e6 100644 --- a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml +++ b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml @@ -251,7 +251,7 @@ examples: # Example apcs with msm8996 - | #include <dt-bindings/interrupt-controller/arm-gic.h> - apcs_glb: mailbox@9820000 { + mailbox@9820000 { compatible = "qcom,msm8996-apcs-hmss-global"; reg = <0x9820000 0x1000>; @@ -259,13 +259,6 @@ examples: #clock-cells = <0>; }; - rpm-glink { - compatible = "qcom,glink-rpm"; - interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>; - qcom,rpm-msg-ram = <&rpm_msg_ram>; - mboxes = <&apcs_glb 0>; - }; - # Example apcs with qcs404 - | #define GCC_APSS_AHB_CLK_SRC 1 diff --git a/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml b/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml index f69c0ec5d19d..e5c423130db6 100644 --- a/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml +++ b/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml @@ -24,6 +24,7 @@ properties: compatible: items: - enum: + - qcom,milos-ipcc - qcom,qcs8300-ipcc - qcom,qdu1000-ipcc - qcom,sa8255p-ipcc diff --git a/Documentation/devicetree/bindings/mailbox/ti,omap-mailbox.yaml b/Documentation/devicetree/bindings/mailbox/ti,omap-mailbox.yaml index 1a2001e58880..8504ceb64806 100644 --- a/Documentation/devicetree/bindings/mailbox/ti,omap-mailbox.yaml +++ b/Documentation/devicetree/bindings/mailbox/ti,omap-mailbox.yaml @@ -242,7 +242,7 @@ examples: - | /* OMAP4 */ #include <dt-bindings/interrupt-controller/arm-gic.h> - mailbox: mailbox@4a0f4000 { + mailbox@4a0f4000 { compatible = "ti,omap4-mailbox"; reg = <0x4a0f4000 0x200>; interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>; @@ -260,13 +260,9 @@ examples: }; }; - dsp { - mboxes = <&mailbox &mbox_dsp>; - }; - - | /* AM33xx */ - mailbox1: mailbox@480c8000 { + mailbox@480c8000 { compatible = "ti,omap4-mailbox"; reg = <0x480c8000 0x200>; interrupts = <77>; @@ -283,7 +279,7 @@ examples: - | /* AM65x */ - mailbox0_cluster0: mailbox@31f80000 { + mailbox@31f80000 { compatible = "ti,am654-mailbox"; reg = <0x31f80000 0x200>; #mbox-cells = <1>; diff --git a/Documentation/devicetree/bindings/mailbox/ti,secure-proxy.yaml b/Documentation/devicetree/bindings/mailbox/ti,secure-proxy.yaml index eea822861804..c321b69f0ccd 100644 --- a/Documentation/devicetree/bindings/mailbox/ti,secure-proxy.yaml +++ b/Documentation/devicetree/bindings/mailbox/ti,secure-proxy.yaml @@ -36,7 +36,7 @@ properties: - const: scfg reg: - minItems: 3 + maxItems: 3 interrupt-names: minItems: 1 @@ -68,12 +68,12 @@ examples: - | #include <dt-bindings/interrupt-controller/arm-gic.h> secure_proxy: mailbox@32c00000 { - compatible = "ti,am654-secure-proxy"; - #mbox-cells = <1>; - reg-names = "target_data", "rt", "scfg"; - reg = <0x32c00000 0x100000>, - <0x32400000 0x100000>, - <0x32800000 0x100000>; - interrupt-names = "rx_011"; - interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>; + compatible = "ti,am654-secure-proxy"; + #mbox-cells = <1>; + reg-names = "target_data", "rt", "scfg"; + reg = <0x32c00000 0x100000>, + <0x32400000 0x100000>, + <0x32800000 0x100000>; + interrupt-names = "rx_011"; + interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>; }; |
