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Message-Id: <20201204193532.1934108-1-f.fainelli@gmail.com>
Date: Fri, 4 Dec 2020 11:35:31 -0800
From: Florian Fainelli <f.fainelli@...il.com>
To: linux-kernel@...r.kernel.org
Cc: bcm-kernel-feedback-list@...adcom.com,
Florian Fainelli <f.fainelli@...il.com>,
Vinod Koul <vkoul@...nel.org>,
Kishon Vijay Abraham I <kishon@...com>,
Rob Herring <robh+dt@...nel.org>,
devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
DEVICE TREE BINDINGS)
Subject: [PATCH v2] dt-bindings: phy: Convert Broadcom SATA PHY to YAML
Update the Broadcom SATA PHY Device Tree binding to a YAML format.
Suggested-by: Vinod Koul <vkoul@...nel.org>
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
Changes in v2:
- fixed #phy-cells warning
- fixed yamlling warnings
.../bindings/phy/brcm,sata-phy.yaml | 148 ++++++++++++++++++
.../devicetree/bindings/phy/brcm-sata-phy.txt | 61 --------
2 files changed, 148 insertions(+), 61 deletions(-)
create mode 100644 Documentation/devicetree/bindings/phy/brcm,sata-phy.yaml
delete mode 100644 Documentation/devicetree/bindings/phy/brcm-sata-phy.txt
diff --git a/Documentation/devicetree/bindings/phy/brcm,sata-phy.yaml b/Documentation/devicetree/bindings/phy/brcm,sata-phy.yaml
new file mode 100644
index 000000000000..58c3ef8004ad
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/brcm,sata-phy.yaml
@@ -0,0 +1,148 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/phy/brcm,sata-phy.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Broadcom SATA3 PHY
+
+maintainers:
+ - Florian Fainelli <f.fainelli@...il.com>
+
+properties:
+ $nodename:
+ pattern: "^sata[-|_]phy(@.*)?$"
+
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - brcm,bcm7216-sata-phy
+ - brcm,bcm7425-sata-phy
+ - brcm,bcm7445-sata-phy
+ - brcm,bcm63138-sata-phy
+ - const: brcm,phy-sata3
+ - items:
+ - const: brcm,iproc-nsp-sata-phy
+ - items:
+ - const: brcm,iproc-ns2-sata-phy
+ - items:
+ - const: brcm,iproc-sr-sata-phy
+
+ reg:
+ minItems: 1
+ maxItems: 2
+
+ reg-names:
+ minItems: 1
+ maxItems: 2
+ items:
+ - const: phy
+ - const: phy-ctrl
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+patternProperties:
+ "^sata-phy@[0-9]+$":
+ type: object
+ description: |
+ Each port's PHY should be represented as a sub-node.
+
+ properties:
+ reg:
+ description: The SATA PHY port number
+ maxItems: 1
+
+ "#phy-cells":
+ const: 0
+
+ "brcm,enable-ssc":
+ $ref: /schemas/types.yaml#/definitions/flag
+ description: |
+ Use spread spectrum clocking (SSC) on this port
+ This property is not applicable for "brcm,iproc-ns2-sata-phy",
+ "brcm,iproc-nsp-sata-phy" and "brcm,iproc-sr-sata-phy".
+
+ "brcm,rxaeq-mode":
+ $ref: /schemas/types.yaml#/definitions/string
+ description:
+ String that indicates the desired RX equalizer mode.
+ enum:
+ - off
+ - auto
+ - manual
+
+ "brcm,rxaeq-value":
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ When 'brcm,rxaeq-mode' is set to "manual", provides the RX
+ equalizer value that should be used.
+ minimum: 0
+ maximum: 63
+
+ "brcm,tx-amplitude-millivolt":
+ description: |
+ Transmit amplitude voltage in millivolt.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [400, 500, 600, 800]
+
+ required:
+ - reg
+ - "#phy-cells"
+
+ additionalProperties: false
+
+if:
+ properties:
+ compatible:
+ items:
+ const: brcm,iproc-ns2-sata-phy
+then:
+ properties:
+ reg:
+ maxItems: 2
+ reg-names:
+ items:
+ - const: "phy"
+ - const: "phy-ctrl"
+else:
+ properties:
+ reg:
+ maxItems: 1
+ reg-names:
+ maxItems: 1
+ items:
+ - const: "phy"
+
+required:
+ - compatible
+ - "#address-cells"
+ - "#size-cells"
+ - reg
+ - reg-names
+
+additionalProperties: false
+
+examples:
+ - |
+ sata_phy@...58100 {
+ compatible = "brcm,bcm7445-sata-phy", "brcm,phy-sata3";
+ reg = <0xf0458100 0x1e00>;
+ reg-names = "phy";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sata-phy@0 {
+ reg = <0>;
+ #phy-cells = <0>;
+ };
+
+ sata-phy@1 {
+ reg = <1>;
+ #phy-cells = <0>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/phy/brcm-sata-phy.txt b/Documentation/devicetree/bindings/phy/brcm-sata-phy.txt
deleted file mode 100644
index e5abbace93a3..000000000000
--- a/Documentation/devicetree/bindings/phy/brcm-sata-phy.txt
+++ /dev/null
@@ -1,61 +0,0 @@
-* Broadcom SATA3 PHY
-
-Required properties:
-- compatible: should be one or more of
- "brcm,bcm7216-sata-phy"
- "brcm,bcm7425-sata-phy"
- "brcm,bcm7445-sata-phy"
- "brcm,iproc-ns2-sata-phy"
- "brcm,iproc-nsp-sata-phy"
- "brcm,phy-sata3"
- "brcm,iproc-sr-sata-phy"
- "brcm,bcm63138-sata-phy"
-- address-cells: should be 1
-- size-cells: should be 0
-- reg: register ranges for the PHY PCB interface
-- reg-names: should be "phy" and "phy-ctrl"
- The "phy-ctrl" registers are only required for
- "brcm,iproc-ns2-sata-phy" and "brcm,iproc-sr-sata-phy".
-
-Sub-nodes:
- Each port's PHY should be represented as a sub-node.
-
-Sub-nodes required properties:
-- reg: the PHY number
-- phy-cells: generic PHY binding; must be 0
-
-Sub-nodes optional properties:
-- brcm,enable-ssc: use spread spectrum clocking (SSC) on this port
- This property is not applicable for "brcm,iproc-ns2-sata-phy",
- "brcm,iproc-nsp-sata-phy" and "brcm,iproc-sr-sata-phy".
-
-- brcm,rxaeq-mode: string that indicates the desired RX equalizer
- mode, possible values are:
- "off" (equivalent to not specifying the property)
- "auto"
- "manual" (brcm,rxaeq-value is used in that case)
-
-- brcm,rxaeq-value: when 'rxaeq-mode' is set to "manual", provides the RX
- equalizer value that should be used. Allowed range is 0..63.
-
-- brcm,tx-amplitude-millivolt: transmit amplitude voltage in millivolt.
- Possible values are 400, 500, 600 or 800 mV.
-
-Example
- sata-phy@...58100 {
- compatible = "brcm,bcm7445-sata-phy", "brcm,phy-sata3";
- reg = <0xf0458100 0x1e00>, <0xf045804c 0x10>;
- reg-names = "phy";
- #address-cells = <1>;
- #size-cells = <0>;
-
- sata-phy@0 {
- reg = <0>;
- #phy-cells = <0>;
- };
-
- sata-phy@1 {
- reg = <1>;
- #phy-cells = <0>;
- };
- };
--
2.25.1
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