The R-Car E-FUSE blocks can be modelled better using the nvmem framework. Replace the R-Car V3U example by an R-Car S4-8 ES1.2 example, to show the definition of nvmem cells. While at it, drop unneeded labels from the examples, and fix indentation. Add an entry to the MAINTAINERS file. Reported-by: Arnd Bergmann <arnd@xxxxxxxx> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> --- v3: - New. I would expect that the calib@144 node needs: #nvmem-cell-cells = <0>; but after adding that, "make dt_binding_check" starts complaining: Documentation/devicetree/bindings/nvmem/renesas,rcar-efuse.example.dtb: fuse@e6078800: nvmem-layout: 'oneOf' conditional failed, one must be fixed: '#address-cells', '#size-cells', 'calib@144' do not match any of the regexes: 'pinctrl-[0-9]+' Unevaluated properties are not allowed ('nvmem-cell-cells' was unexpected) 'kontron,sl28-vpd' was expected 'onie,tlv-layout' was expected from schema $id: http://devicetree.org/schemas/nvmem/renesas,rcar-efuse.yaml# Documentation/devicetree/bindings/nvmem/renesas,rcar-efuse.example.dtb: fuse@e6078800: nvmem-layout: Unevaluated properties are not allowed ('#address-cells', '#size-cells', 'calib@144' were unexpected) from schema $id: http://devicetree.org/schemas/nvmem/renesas,rcar-efuse.yaml# Documentation/devicetree/bindings/nvmem/renesas,rcar-efuse.example.dtb: fuse@e6078800: Unevaluated properties are not allowed ('nvmem-layout' was unexpected) from schema $id: http://devicetree.org/schemas/nvmem/renesas,rcar-efuse.yaml# --- .../{fuse => nvmem}/renesas,rcar-efuse.yaml | 35 +++++++++++++------ .../{fuse => nvmem}/renesas,rcar-otp.yaml | 17 +++++---- MAINTAINERS | 1 + 3 files changed, 36 insertions(+), 17 deletions(-) rename Documentation/devicetree/bindings/{fuse => nvmem}/renesas,rcar-efuse.yaml (54%) rename Documentation/devicetree/bindings/{fuse => nvmem}/renesas,rcar-otp.yaml (60%) diff --git a/Documentation/devicetree/bindings/fuse/renesas,rcar-efuse.yaml b/Documentation/devicetree/bindings/nvmem/renesas,rcar-efuse.yaml similarity index 54% rename from Documentation/devicetree/bindings/fuse/renesas,rcar-efuse.yaml rename to Documentation/devicetree/bindings/nvmem/renesas,rcar-efuse.yaml index d7e289244e72cce1..ce7d65afa4602537 100644 --- a/Documentation/devicetree/bindings/fuse/renesas,rcar-efuse.yaml +++ b/Documentation/devicetree/bindings/nvmem/renesas,rcar-efuse.yaml @@ -1,7 +1,7 @@ # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- -$id: http://devicetree.org/schemas/fuse/renesas,rcar-efuse.yaml# +$id: http://devicetree.org/schemas/nvmem/renesas,rcar-efuse.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: R-Car E-FUSE connected to PFC @@ -13,6 +13,9 @@ description: The E-FUSE is a type of non-volatile memory, which is accessible through the Pin Function Controller (PFC) on some R-Car Gen4 SoCs. +allOf: + - $ref: nvmem.yaml# + properties: compatible: enum: @@ -39,17 +42,27 @@ required: - power-domains - resets -additionalProperties: false +unevaluatedProperties: false examples: - | - #include <dt-bindings/clock/r8a779a0-cpg-mssr.h> - #include <dt-bindings/power/r8a779a0-sysc.h> - - fuse: fuse@e6078800 { - compatible = "renesas,r8a779a0-efuse"; - reg = <0xe6078800 0x100>; - clocks = <&cpg CPG_MOD 916>; - power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>; - resets = <&cpg 916>; + #include <dt-bindings/clock/r8a779f0-cpg-mssr.h> + #include <dt-bindings/power/r8a779f0-sysc.h> + + fuse@e6078800 { + compatible = "renesas,r8a779f0-efuse"; + reg = <0xe6078800 0x200>; + clocks = <&cpg CPG_MOD 915>; + power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>; + resets = <&cpg 915>; + + nvmem-layout { + compatible = "fixed-layout"; + #address-cells = <1>; + #size-cells = <1>; + + calib@144 { + reg = <0x144 0x08>; + }; + }; }; diff --git a/Documentation/devicetree/bindings/fuse/renesas,rcar-otp.yaml b/Documentation/devicetree/bindings/nvmem/renesas,rcar-otp.yaml similarity index 60% rename from Documentation/devicetree/bindings/fuse/renesas,rcar-otp.yaml rename to Documentation/devicetree/bindings/nvmem/renesas,rcar-otp.yaml index d74872ae9ff378f9..3313c03ea68dfd57 100644 --- a/Documentation/devicetree/bindings/fuse/renesas,rcar-otp.yaml +++ b/Documentation/devicetree/bindings/nvmem/renesas,rcar-otp.yaml @@ -1,7 +1,7 @@ # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- -$id: http://devicetree.org/schemas/fuse/renesas,rcar-otp.yaml# +$id: http://devicetree.org/schemas/nvmem/renesas,rcar-otp.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: R-Car E-FUSE connected to OTP_MEM @@ -13,6 +13,9 @@ description: The E-FUSE is a type of non-volatile memory, which is accessible through the One-Time Programmable Memory (OTP_MEM) module on some R-Car Gen4 SoCs. +allOf: + - $ref: nvmem.yaml# + properties: compatible: enum: @@ -22,17 +25,19 @@ properties: reg: items: - description: OTP_MEM_0 - - description: OTP_MEM_1 + - description: OTP_MEM_1. + The addresses of cells defined under the optional nvmem-layout + subnode are relative to this register bank. required: - compatible - reg -additionalProperties: false +unevaluatedProperties: false examples: - | - otp: otp@e61be000 { - compatible = "renesas,r8a779g0-otp"; - reg = <0xe61be000 0x1000>, <0xe61bf000 0x1000>; + otp@e61be000 { + compatible = "renesas,r8a779g0-otp"; + reg = <0xe61be000 0x1000>, <0xe61bf000 0x1000>; }; diff --git a/MAINTAINERS b/MAINTAINERS index 990aced7e7a57e1f..8da9c4ee231b4db4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2794,6 +2794,7 @@ Q: http://patchwork.kernel.org/project/linux-renesas-soc/list/ C: irc://irc.libera.chat/renesas-soc T: git git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git next F: Documentation/devicetree/bindings/hwinfo/renesas,prr.yaml +F: Documentation/devicetree/bindings/nvmem/renesas,* F: Documentation/devicetree/bindings/soc/renesas/ F: arch/arm/boot/dts/renesas/ F: arch/arm/configs/shmobile_defconfig -- 2.34.1