Convert the st-rproc.txt binding into dt-schema YAML st,sti-rproc.yaml Signed-off-by: Alain Volmat <avolmat@xxxxxx> --- .../bindings/remoteproc/st,sti-rproc.yaml | 101 ++++++++++++++++++ .../bindings/remoteproc/st-rproc.txt | 41 ------- 2 files changed, 101 insertions(+), 41 deletions(-) create mode 100644 Documentation/devicetree/bindings/remoteproc/st,sti-rproc.yaml delete mode 100644 Documentation/devicetree/bindings/remoteproc/st-rproc.txt diff --git a/Documentation/devicetree/bindings/remoteproc/st,sti-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/st,sti-rproc.yaml new file mode 100644 index 000000000000..b9d84dfbcb58 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/st,sti-rproc.yaml @@ -0,0 +1,101 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/remoteproc/st,sti-rproc.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: STMicroelectronics STi remote processor controller + +description: + This binding provides support for adjunct processors found on ST SoCs. + + Co-processors can be controlled from the bootloader or the primary OS. If + the bootloader starts a co-processor, the primary OS must detect its state + and act accordingly. + +maintainers: + - Patrice Chotard <patrice.chotard@xxxxxxxxxxx> + +properties: + compatible: + enum: + - st,st231-rproc + - st,st40-rproc + + memory-region: + description: + List of phandles to the reserved memory regions associated with the + remoteproc device. This is variable and describes the memories shared with + the remote processor (e.g. remoteproc firmware and carveouts, rpmsg + vrings, ...). + (see ../reserved-memory/reserved-memory.txt) + + resets: + maxItems: 1 + + reset-names: + maxItems: 1 + + st,syscfg: + description: + System configuration register which holds the boot vector for the co-processor + $ref: "/schemas/types.yaml#/definitions/phandle-array" + items: + - items: + - description: Phandle of syscon block + - description: Boot vector register offset + + clocks: + maxItems: 1 + + clock-frequency: + description: + Frequency of the processing clock of the remote processor + $ref: "/schemas/types.yaml#/definitions/uint32" + + "#mbox-cells": + const: 1 + + mboxes: + maxItems: 4 + + mbox-names: + items: + - const: vq0_rx + - const: vq0_tx + - const: vq1_rx + - const: vq1_tx + +required: + - compatible + - memory-region + - resets + - reset-names + - st,syscfg + - clocks + - clock-frequency + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/stih407-clks.h> + #include <dt-bindings/reset/stih407-resets.h> + audio_reserved: rproc@42000000 { + compatible = "shared-dma-pool"; + reg = <0x42000000 0x01000000>; + no-map; + }; + + st231-audio { + compatible = "st,st231-rproc"; + memory-region = <&audio_reserved>; + resets = <&softreset STIH407_ST231_AUD_SOFTRESET>; + reset-names = "sw_reset"; + clocks = <&clk_s_c0_flexgen CLK_ST231_AUD_0>; + clock-frequency = <600000000>; + st,syscfg = <&syscfg_core 0x228>; + }; + +... diff --git a/Documentation/devicetree/bindings/remoteproc/st-rproc.txt b/Documentation/devicetree/bindings/remoteproc/st-rproc.txt deleted file mode 100644 index 1031bcd90a79..000000000000 --- a/Documentation/devicetree/bindings/remoteproc/st-rproc.txt +++ /dev/null @@ -1,41 +0,0 @@ -STMicroelectronics Co-Processor Bindings ----------------------------------------- - -This binding provides support for adjunct processors found on ST SoCs. - -Co-processors can be controlled from the bootloader or the primary OS. If -the bootloader starts a co-processor, the primary OS must detect its state -and act accordingly. - -Required properties: -- compatible Should be one of: - "st,st231-rproc" - "st,st40-rproc" -- memory-region Reserved memory (See: ../reserved-memory/reserved-memory.txt) -- resets Reset lines (See: ../reset/reset.txt) -- reset-names Must be "sw_reset" and "pwr_reset" -- clocks Clock for co-processor (See: ../clock/clock-bindings.txt) -- clock-frequency Clock frequency to set co-processor at if the bootloader - hasn't already done so -- st,syscfg System configuration register which holds the boot vector - for the co-processor - 1st cell: Phandle to syscon block - 2nd cell: Boot vector register offset - -Example: - - audio_reserved: rproc@42000000 { - compatible = "shared-dma-pool"; - reg = <0x42000000 0x01000000>; - no-map; - }; - - st231-audio { - compatible = "st,st231-rproc"; - memory-region = <&audio_reserved>; - resets = <&softreset STIH407_ST231_AUD_SOFTRESET>; - reset-names = "sw_reset"; - clocks = <&clk_s_c0_flexgen CLK_ST231_AUD_0>; - clock-frequency = <600000000>; - st,syscfg = <&syscfg_core 0x228>; - }; -- 2.34.1
