From: "Rafał Miłecki" <zajec5@gmail.com> To: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>, Rob Herring <robh+dt@kernel.org> Cc: "Krzysztof Kozlowski" <krzysztof.kozlowski@canonical.com>, "Florian Fainelli" <f.fainelli@gmail.com>, "Hauke Mehrtens" <hauke@hauke-m.de>, bcm-kernel-feedback-list@broadcom.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, "Rafał Miłecki" <rafal@milecki.pl> Subject: [PATCH V3 2/3] dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells Date: Fri, 18 Feb 2022 08:07:28 +0100 [thread overview] Message-ID: <20220218070729.3256-3-zajec5@gmail.com> (raw) In-Reply-To: <20220218070729.3256-1-zajec5@gmail.com> From: Rafał Miłecki <rafal@milecki.pl> NVRAM doesn't have cells at hardcoded addresses. They are stored in internal struct (custom & dynamic format). It's still important to define relevant cells in DT so NVMEM consumers can reference them. Update binding to allow including basic cells as NVMEM device subnodes. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> --- V2: Add children nodes description per Rob's request V3: Document NVMEM cells as properties --- .../devicetree/bindings/nvmem/brcm,nvram.yaml | 25 +++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml b/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml index 8c3f0cd22821..25033de3ef6b 100644 --- a/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml +++ b/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml @@ -14,6 +14,8 @@ description: | NVRAM can be accessed on Broadcom BCM47xx MIPS and Northstar ARM Cortex-A9 devices usiong I/O mapped memory. + NVRAM variables can be defined as NVMEM device subnodes. + maintainers: - Rafał Miłecki <rafal@milecki.pl> @@ -27,11 +29,30 @@ properties: reg: maxItems: 1 + board_id: + type: object + description: Board identification name + + et0macaddr: + type: object + description: First Ethernet interface's MAC address + + et1macaddr: + type: object + description: Second Ethernet interface's MAC address + + et2macaddr: + type: object + description: Third Ethernet interface's MAC address + unevaluatedProperties: false examples: - | nvram@1eff0000 { - compatible = "brcm,nvram"; - reg = <0x1eff0000 0x10000>; + compatible = "brcm,nvram"; + reg = <0x1eff0000 0x10000>; + + mac: et0macaddr { + }; }; -- 2.34.1
WARNING: multiple messages have this Message-ID (diff)
From: "Rafał Miłecki" <zajec5@gmail.com> To: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>, Rob Herring <robh+dt@kernel.org> Cc: "Krzysztof Kozlowski" <krzysztof.kozlowski@canonical.com>, "Florian Fainelli" <f.fainelli@gmail.com>, "Hauke Mehrtens" <hauke@hauke-m.de>, bcm-kernel-feedback-list@broadcom.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, "Rafał Miłecki" <rafal@milecki.pl> Subject: [PATCH V3 2/3] dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells Date: Fri, 18 Feb 2022 08:07:28 +0100 [thread overview] Message-ID: <20220218070729.3256-3-zajec5@gmail.com> (raw) In-Reply-To: <20220218070729.3256-1-zajec5@gmail.com> From: Rafał Miłecki <rafal@milecki.pl> NVRAM doesn't have cells at hardcoded addresses. They are stored in internal struct (custom & dynamic format). It's still important to define relevant cells in DT so NVMEM consumers can reference them. Update binding to allow including basic cells as NVMEM device subnodes. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> --- V2: Add children nodes description per Rob's request V3: Document NVMEM cells as properties --- .../devicetree/bindings/nvmem/brcm,nvram.yaml | 25 +++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml b/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml index 8c3f0cd22821..25033de3ef6b 100644 --- a/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml +++ b/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml @@ -14,6 +14,8 @@ description: | NVRAM can be accessed on Broadcom BCM47xx MIPS and Northstar ARM Cortex-A9 devices usiong I/O mapped memory. + NVRAM variables can be defined as NVMEM device subnodes. + maintainers: - Rafał Miłecki <rafal@milecki.pl> @@ -27,11 +29,30 @@ properties: reg: maxItems: 1 + board_id: + type: object + description: Board identification name + + et0macaddr: + type: object + description: First Ethernet interface's MAC address + + et1macaddr: + type: object + description: Second Ethernet interface's MAC address + + et2macaddr: + type: object + description: Third Ethernet interface's MAC address + unevaluatedProperties: false examples: - | nvram@1eff0000 { - compatible = "brcm,nvram"; - reg = <0x1eff0000 0x10000>; + compatible = "brcm,nvram"; + reg = <0x1eff0000 0x10000>; + + mac: et0macaddr { + }; }; -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-02-18 7:07 UTC|newest] Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-01-24 16:02 [PATCH 0/3] nvmem: allow specifying cells by just names in DT Rafał Miłecki 2022-01-24 16:02 ` Rafał Miłecki 2022-01-24 16:02 ` [PATCH 1/3] dt-bindings: nvmem: make "reg" property optional Rafał Miłecki 2022-01-24 16:02 ` Rafał Miłecki 2022-02-11 12:38 ` Rob Herring 2022-02-11 12:38 ` Rob Herring 2022-01-24 16:02 ` [PATCH 2/3] dt-bindings: nvmem: brcm,nvram: add NVMEM cell to example Rafał Miłecki 2022-01-24 16:02 ` [PATCH 2/3] dt-bindings: nvmem: brcm, nvram: " Rafał Miłecki 2022-02-11 12:45 ` [PATCH 2/3] dt-bindings: nvmem: brcm,nvram: " Rob Herring 2022-02-11 12:45 ` Rob Herring 2022-01-24 16:03 ` [PATCH 3/3] nvmem: core: add cell name based matching of DT cell nodes Rafał Miłecki 2022-01-24 16:03 ` Rafał Miłecki 2022-02-11 13:05 ` [PATCH V2 0/3] nvmem: allow specifying cells by just names in DT Rafał Miłecki 2022-02-11 13:05 ` Rafał Miłecki 2022-02-11 13:05 ` [PATCH V2 1/3] dt-bindings: nvmem: make "reg" property optional Rafał Miłecki 2022-02-11 13:05 ` Rafał Miłecki 2022-02-11 13:05 ` [PATCH V2 2/3] dt-bindings: nvmem: brcm,nvram: add NVMEM cell to example Rafał Miłecki 2022-02-11 13:05 ` [PATCH V2 2/3] dt-bindings: nvmem: brcm, nvram: " Rafał Miłecki 2022-02-17 23:58 ` Rob Herring 2022-02-17 23:58 ` [PATCH V2 2/3] dt-bindings: nvmem: brcm,nvram: " Rob Herring 2022-02-11 13:05 ` [PATCH V2 3/3] nvmem: core: add cell name based matching of DT cell nodes Rafał Miłecki 2022-02-11 13:05 ` Rafał Miłecki 2022-02-18 7:07 ` [PATCH V3 0/3] nvmem: allow specifying cells by just names in DT Rafał Miłecki 2022-02-18 7:07 ` Rafał Miłecki 2022-02-18 7:07 ` [PATCH V3 1/3] dt-bindings: nvmem: make "reg" property optional Rafał Miłecki 2022-02-18 7:07 ` Rafał Miłecki 2022-02-25 13:30 ` Srinivas Kandagatla 2022-02-25 13:30 ` Srinivas Kandagatla 2022-02-18 7:07 ` Rafał Miłecki [this message] 2022-02-18 7:07 ` [PATCH V3 2/3] dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells Rafał Miłecki 2022-02-24 19:55 ` Rob Herring 2022-02-24 19:55 ` Rob Herring 2022-02-25 13:30 ` Srinivas Kandagatla 2022-02-25 13:30 ` Srinivas Kandagatla 2022-02-18 7:07 ` [PATCH V3 3/3] nvmem: core: add cell name based matching of DT cell nodes Rafał Miłecki 2022-02-18 7:07 ` Rafał Miłecki 2022-02-25 12:10 ` Srinivas Kandagatla 2022-02-25 12:10 ` Srinivas Kandagatla
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