diff options
Diffstat (limited to 'dts/Bindings/soc/bcm')
| -rw-r--r-- | dts/Bindings/soc/bcm/brcm,bcm23550-cdc.yaml | 35 | ||||
| -rw-r--r-- | dts/Bindings/soc/bcm/brcm,bcm2835-pm.txt | 46 | ||||
| -rw-r--r-- | dts/Bindings/soc/bcm/brcm,bcm2835-pm.yaml | 86 | ||||
| -rw-r--r-- | dts/Bindings/soc/bcm/brcm,bcm2835-vchiq.txt | 17 | ||||
| -rw-r--r-- | dts/Bindings/soc/bcm/brcm,bcm2835-vchiq.yaml | 53 |
5 files changed, 174 insertions, 63 deletions
diff --git a/dts/Bindings/soc/bcm/brcm,bcm23550-cdc.yaml b/dts/Bindings/soc/bcm/brcm,bcm23550-cdc.yaml new file mode 100644 index 0000000000..1a952f5698 --- /dev/null +++ b/dts/Bindings/soc/bcm/brcm,bcm23550-cdc.yaml @@ -0,0 +1,35 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/bcm/brcm,bcm23550-cdc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM23550 Cluster Dormant Control + +description: + The Cluster Dormant Control block keeps the CPU in idle state. A command + needs to be sent to this block to bring the CPU into running state. + +maintainers: + - Florian Fainelli <f.fainelli@gmail.com> + +properties: + compatible: + const: brcm,bcm23550-cdc + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + cdc@3fe0e000 { + compatible = "brcm,bcm23550-cdc"; + reg = <0x3fe0e000 0x78>; + }; +... diff --git a/dts/Bindings/soc/bcm/brcm,bcm2835-pm.txt b/dts/Bindings/soc/bcm/brcm,bcm2835-pm.txt deleted file mode 100644 index 72ff033565..0000000000 --- a/dts/Bindings/soc/bcm/brcm,bcm2835-pm.txt +++ /dev/null @@ -1,46 +0,0 @@ -BCM2835 PM (Power domains, watchdog) - -The PM block controls power domains and some reset lines, and includes -a watchdog timer. This binding supersedes the brcm,bcm2835-pm-wdt -binding which covered some of PM's register range and functionality. - -Required properties: - -- compatible: Should be "brcm,bcm2835-pm" -- reg: Specifies base physical address and size of the two - register ranges ("PM" and "ASYNC_BRIDGE" in that - order) -- clocks: a) v3d: The V3D clock from CPRMAN - b) peri_image: The PERI_IMAGE clock from CPRMAN - c) h264: The H264 clock from CPRMAN - d) isp: The ISP clock from CPRMAN -- #reset-cells: Should be 1. This property follows the reset controller - bindings[1]. -- #power-domain-cells: Should be 1. This property follows the power domain - bindings[2]. - -Optional properties: - -- timeout-sec: Contains the watchdog timeout in seconds -- system-power-controller: Whether the watchdog is controlling the - system power. This node follows the power controller bindings[3]. - -[1] Documentation/devicetree/bindings/reset/reset.txt -[2] Documentation/devicetree/bindings/power/power-domain.yaml -[3] Documentation/devicetree/bindings/power/power-controller.txt - -Example: - -pm { - compatible = "brcm,bcm2835-pm", "brcm,bcm2835-pm-wdt"; - #power-domain-cells = <1>; - #reset-cells = <1>; - reg = <0x7e100000 0x114>, - <0x7e00a000 0x24>; - clocks = <&clocks BCM2835_CLOCK_V3D>, - <&clocks BCM2835_CLOCK_PERI_IMAGE>, - <&clocks BCM2835_CLOCK_H264>, - <&clocks BCM2835_CLOCK_ISP>; - clock-names = "v3d", "peri_image", "h264", "isp"; - system-power-controller; -}; diff --git a/dts/Bindings/soc/bcm/brcm,bcm2835-pm.yaml b/dts/Bindings/soc/bcm/brcm,bcm2835-pm.yaml new file mode 100644 index 0000000000..e28ef198a8 --- /dev/null +++ b/dts/Bindings/soc/bcm/brcm,bcm2835-pm.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/bcm/brcm,bcm2835-pm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: BCM2835 PM (Power domains, watchdog) + +description: | + The PM block controls power domains and some reset lines, and includes a + watchdog timer. + +maintainers: + - Nicolas Saenz Julienne <nsaenz@kernel.org> + +allOf: + - $ref: /schemas/watchdog/watchdog.yaml# + +properties: + compatible: + items: + - enum: + - brcm,bcm2835-pm + - brcm,bcm2711-pm + - const: brcm,bcm2835-pm-wdt + + reg: + minItems: 2 + maxItems: 3 + + reg-names: + minItems: 2 + items: + - const: pm + - const: asb + - const: rpivid_asb + + "#power-domain-cells": + const: 1 + + "#reset-cells": + const: 1 + + clocks: + minItems: 4 + maxItems: 4 + + clock-names: + items: + - const: v3d + - const: peri_image + - const: h264 + - const: isp + + system-power-controller: + type: boolean + + timeout-sec: true + +required: + - compatible + - reg + - "#power-domain-cells" + - "#reset-cells" + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/bcm2835.h> + + watchdog@7e100000 { + compatible = "brcm,bcm2835-pm", "brcm,bcm2835-pm-wdt"; + #power-domain-cells = <1>; + #reset-cells = <1>; + reg = <0x7e100000 0x114>, + <0x7e00a000 0x24>; + reg-names = "pm", "asb"; + clocks = <&clocks BCM2835_CLOCK_V3D>, + <&clocks BCM2835_CLOCK_PERI_IMAGE>, + <&clocks BCM2835_CLOCK_H264>, + <&clocks BCM2835_CLOCK_ISP>; + clock-names = "v3d", "peri_image", "h264", "isp"; + system-power-controller; + }; diff --git a/dts/Bindings/soc/bcm/brcm,bcm2835-vchiq.txt b/dts/Bindings/soc/bcm/brcm,bcm2835-vchiq.txt deleted file mode 100644 index f331316183..0000000000 --- a/dts/Bindings/soc/bcm/brcm,bcm2835-vchiq.txt +++ /dev/null @@ -1,17 +0,0 @@ -Broadcom VCHIQ firmware services - -Required properties: - -- compatible: Should be "brcm,bcm2835-vchiq" on BCM2835, otherwise - "brcm,bcm2836-vchiq". -- reg: Physical base address and length of the doorbell register pair -- interrupts: The interrupt number - See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt - -Example: - -mailbox@7e00b840 { - compatible = "brcm,bcm2835-vchiq"; - reg = <0x7e00b840 0xf>; - interrupts = <0 2>; -}; diff --git a/dts/Bindings/soc/bcm/brcm,bcm2835-vchiq.yaml b/dts/Bindings/soc/bcm/brcm,bcm2835-vchiq.yaml new file mode 100644 index 0000000000..e04439b335 --- /dev/null +++ b/dts/Bindings/soc/bcm/brcm,bcm2835-vchiq.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/bcm/brcm,bcm2835-vchiq.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom VCHIQ firmware services + +maintainers: + - Nicolas Saenz Julienne <nsaenz@kernel.org> + +description: + The VCHIQ communication channel can be provided by BCM283x and Capri SoCs, + to communicate with the VPU-side OS services. + +properties: + compatible: + oneOf: + - description: BCM2835 based boards + items: + - enum: + - brcm,bcm2835-vchiq + + - description: BCM2836/BCM2837 based boards + items: + - enum: + - brcm,bcm2836-vchiq + - const: brcm,bcm2835-vchiq + + reg: + description: Physical base address and length of the doorbell register pair + minItems: 1 + + interrupts: + description: Interrupt number of the doorbell interrupt + minItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + mailbox@7e00b840 { + compatible = "brcm,bcm2835-vchiq"; + reg = <0x7e00b840 0xf>; + interrupts = <0 2>; + }; + +... |