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Message-ID: <20220914093911.187764-2-s-vadapalli@ti.com>
Date: Wed, 14 Sep 2022 15:09:06 +0530
From: Siddharth Vadapalli <s-vadapalli@...com>
To: <robh+dt@...nel.org>, <lee.jones@...aro.org>,
<krzysztof.kozlowski@...aro.org>,
<krzysztof.kozlowski+dt@...aro.org>, <kishon@...com>,
<vkoul@...nel.org>, <dan.carpenter@...cle.com>,
<grygorii.strashko@...com>, <rogerq@...nel.org>
CC: <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-phy@...ts.infradead.org>,
<linux-arm-kernel@...ts.infradead.org>, <sjakhade@...ence.com>,
<s-vadapalli@...com>
Subject: [PATCH 1/6] dt-bindings: phy: ti: phy-gmii-sel: Add bindings for J721e
TI's J721e SoC supports additional PHY modes like QSGMII and SGMII
that are not supported on earlier SoCs. Add a compatible for it.
Extend ti,qsgmii-main-ports property to support selection of upto
two main ports at once across the two QSGMII interfaces.
Signed-off-by: Siddharth Vadapalli <s-vadapalli@...com>
---
.../bindings/phy/ti,phy-gmii-sel.yaml | 52 ++++++++++++++++---
1 file changed, 46 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/phy/ti,phy-gmii-sel.yaml b/Documentation/devicetree/bindings/phy/ti,phy-gmii-sel.yaml
index da7cac537e15..1e19efab018b 100644
--- a/Documentation/devicetree/bindings/phy/ti,phy-gmii-sel.yaml
+++ b/Documentation/devicetree/bindings/phy/ti,phy-gmii-sel.yaml
@@ -54,6 +54,7 @@ properties:
- ti,dm814-phy-gmii-sel
- ti,am654-phy-gmii-sel
- ti,j7200-cpsw5g-phy-gmii-sel
+ - ti,j721e-cpsw9g-phy-gmii-sel
reg:
maxItems: 1
@@ -65,12 +66,19 @@ properties:
description: |
Required only for QSGMII mode. Array to select the port for
QSGMII main mode. Rest of the ports are selected as QSGMII_SUB
- ports automatically. Any one of the 4 CPSW5G ports can act as the
- main port with the rest of them being the QSGMII_SUB ports.
- maxItems: 1
- items:
- minimum: 1
- maximum: 4
+ ports automatically. For J7200 CPSW5G with the compatible:
+ ti,j7200-cpsw5g-phy-gmii-sel, ti,qsgmii-main-ports is an
+ array of only one element, which is the port number ranging from
+ 1 to 4. For J721e CPSW9G with the compatible:
+ ti,j721e-cpsw9g-phy-gmii-sel, ti,qsgmii-main-ports is an array
+ of two elements, which corresponds to two potential QSGMII main
+ ports. The first element and second element of the array can both
+ range from 1 to 8 each, corresponding to two QSGMII main ports.
+ For J721e CPSW9G, to configure port 2 as the first QSGMII main
+ port and port 7 as the second QSGMII main port, we specify:
+ ti,qsgmii-main-ports = <2>, <7>;
+ If only one QSGMII main port is desired, mention the same main
+ port twice.
allOf:
- if:
@@ -81,12 +89,43 @@ allOf:
- ti,dra7xx-phy-gmii-sel
- ti,dm814-phy-gmii-sel
- ti,am654-phy-gmii-sel
+ - ti,j7200-cpsw5g-phy-gmii-sel
+ - ti,j721e-cpsw9g-phy-gmii-sel
then:
properties:
'#phy-cells':
const: 1
description: CPSW port number (starting from 1)
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - ti,j7200-cpsw5g-phy-gmii-sel
+ then:
+ properties:
+ ti,qsgmii-main-ports:
+ maxItems: 1
+ items:
+ minimum: 1
+ maximum: 4
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - ti,j721e-cpsw9g-phy-gmii-sel
+ then:
+ properties:
+ ti,qsgmii-main-ports:
+ minItems: 2
+ maxItems: 2
+ items:
+ minimum: 1
+ maximum: 8
+
- if:
not:
properties:
@@ -94,6 +133,7 @@ allOf:
contains:
enum:
- ti,j7200-cpsw5g-phy-gmii-sel
+ - ti,j721e-cpsw9g-phy-gmii-sel
then:
properties:
ti,qsgmii-main-ports: false
--
2.25.1
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