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Fri, 26 Jan 2024 06:25:01 +0000 From: "Peng Fan (OSS)" Date: Fri, 26 Jan 2024 14:29:14 +0800 Subject: [PATCH v5 1/4] dt-bindings: mailbox: fsl,mu: add i.MX95 Generic/ELE/V2X MU compatible Message-Id: <20240126-imx-mailbox-v5-1-7ff3a3d53529@nxp.com> References: <20240126-imx-mailbox-v5-0-7ff3a3d53529@nxp.com> In-Reply-To: <20240126-imx-mailbox-v5-0-7ff3a3d53529@nxp.com> To: Jassi Brar , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Dong Aisheng , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Peng Fan X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1706250566; l=2712; i=peng.fan@nxp.com; s=20230812; h=from:subject:message-id; bh=TOwsWAbXauMQsQBj77QPNsiLkiJ9S+3QBpYZUzgpilk=; b=ee7xilz1WrxvID9wR7kHpZbB+sFce3HHWaZsVwzk9NToX8UoN7a3hOcUcPIURlg0KiQD7bM3U Po4tkFY/DzLCItD4rxWNrktUR2+PiDB/NRLjJt6g823P4Ik4P1MIU2F X-Developer-Key: i=peng.fan@nxp.com; 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And the MUs in AONMIX has internal RAMs for SCMI shared buffer usage. Signed-off-by: Peng Fan --- .../devicetree/bindings/mailbox/fsl,mu.yaml | 58 +++++++++++++++++++++- 1 file changed, 57 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml index 12e7a7d536a3..33140f72da6d 100644 --- a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml +++ b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml @@ -29,8 +29,11 @@ properties: - const: fsl,imx8ulp-mu - const: fsl,imx8-mu-scu - const: fsl,imx8-mu-seco - - const: fsl,imx93-mu-s4 - const: fsl,imx8ulp-mu-s4 + - const: fsl,imx93-mu-s4 + - const: fsl,imx95-mu + - const: fsl,imx95-mu-ele + - const: fsl,imx95-mu-v2x - items: - const: fsl,imx93-mu - const: fsl,imx8ulp-mu @@ -95,6 +98,19 @@ properties: power-domains: maxItems: 1 + ranges: true + + '#address-cells': + const: 1 + + '#size-cells': + const: 1 + +patternProperties: + "^sram@[a-f0-9]+": + $ref: /schemas/sram/sram.yaml# + unevaluatedProperties: false + required: - compatible - reg @@ -122,6 +138,15 @@ allOf: required: - interrupt-names + - if: + not: + properties: + compatible: + const: fsl,imx95-mu + then: + patternProperties: + "^sram@[a-f0-9]+": false + additionalProperties: false examples: @@ -134,3 +159,34 @@ examples: interrupts = ; #mbox-cells = <2>; }; + + - | + #include + + mu2: mailbox@445b0000 { + compatible = "fsl,imx95-mu"; + reg = <0x445b0000 0x10000>; + ranges; + interrupts = ; + #address-cells = <1>; + #size-cells = <1>; + #mbox-cells = <2>; + + sram@445b1000 { + compatible = "mmio-sram"; + reg = <0x445b1000 0x400>; + ranges = <0x0 0x445b1000 0x400>; + #address-cells = <1>; + #size-cells = <1>; + + scmi_buf0: scmi-sram-section@0 { + compatible = "arm,scmi-shmem"; + reg = <0x0 0x80>; + }; + + scmi_buf1: scmi-sram-section@80 { + compatible = "arm,scmi-shmem"; + reg = <0x80 0x80>; + }; + }; + };