From: Swapnil Jakhade <sjakhade@cadence.com>
To: <vkoul@kernel.org>, <kishon@ti.com>, <robh+dt@kernel.org>,
<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>
Cc: <mparab@cadence.com>, <sjakhade@cadence.com>,
<yamonkar@cadence.com>, <tomi.valkeinen@ti.com>, <jsarha@ti.com>,
<nsekhar@ti.com>
Subject: [PATCH v2 7/7] dt-bindings: phy: cadence-torrent: Update Torrent PHY bindings for generic use
Date: Thu, 27 Aug 2020 15:28:52 +0200 [thread overview]
Message-ID: <1598534932-18693-8-git-send-email-sjakhade@cadence.com> (raw)
In-Reply-To: <1598534932-18693-1-git-send-email-sjakhade@cadence.com>
Torrent PHY can be used in different multi-link multi-protocol
configurations including protocols other than DisplayPort also,
such as PCIe, USB, SGMII, QSGMII etc. Update the bindings to have
support for these configurations.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
---
.../bindings/phy/phy-cadence-torrent.yaml | 76 ++++++++++++++-----
1 file changed, 58 insertions(+), 18 deletions(-)
diff --git a/Documentation/devicetree/bindings/phy/phy-cadence-torrent.yaml b/Documentation/devicetree/bindings/phy/phy-cadence-torrent.yaml
index a7ee19d27c19..1b9e1231f8d8 100644
--- a/Documentation/devicetree/bindings/phy/phy-cadence-torrent.yaml
+++ b/Documentation/devicetree/bindings/phy/phy-cadence-torrent.yaml
@@ -4,11 +4,13 @@
$id: "http://devicetree.org/schemas/phy/phy-cadence-torrent.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
-title: Cadence Torrent SD0801 PHY binding for DisplayPort
+title: Cadence Torrent SD0801 PHY binding
description:
This binding describes the Cadence SD0801 PHY (also known as Torrent PHY)
- hardware included with the Cadence MHDP DisplayPort controller.
+ hardware included with the Cadence MHDP DisplayPort controller. Torrent
+ PHY also supports multilink multiprotocol combinations including protocols
+ such as PCIe, USB, SGMII, QSGMII etc.
maintainers:
- Swapnil Jakhade <sjakhade@cadence.com>
@@ -49,13 +51,14 @@ properties:
- const: dptx_phy
resets:
- maxItems: 1
- description:
- Torrent PHY reset.
- See Documentation/devicetree/bindings/reset/reset.txt
+ minItems: 1
+ maxItems: 2
+ items:
+ - description: Torrent PHY reset.
+ - description: Torrent APB reset. This is optional.
patternProperties:
- '^phy@[0-7]+$':
+ '^link@[0-7]+$':
type: object
description:
Each group of PHY lanes with a single master lane should be represented as a sub-node.
@@ -78,13 +81,13 @@ patternProperties:
Specifies the type of PHY for which the group of PHY lanes is used.
Refer include/dt-bindings/phy/phy.h. Constants from the header should be used.
$ref: /schemas/types.yaml#/definitions/uint32
- enum: [1, 2, 3, 4, 5, 6]
+ enum: [1, 2, 3, 4, 5, 6, 7, 8, 9]
cdns,num-lanes:
description:
- Number of DisplayPort lanes.
+ Number of lanes.
$ref: /schemas/types.yaml#/definitions/uint32
- enum: [1, 2, 4]
+ enum: [1, 2, 3, 4]
default: 4
cdns,ssc-mode:
@@ -108,6 +111,7 @@ patternProperties:
- resets
- "#phy-cells"
- cdns,phy-type
+ - cdns,num-lanes
additionalProperties: false
@@ -141,14 +145,50 @@ examples:
clock-names = "refclk";
#address-cells = <1>;
#size-cells = <0>;
- phy@0 {
- reg = <0>;
- resets = <&phyrst 1>, <&phyrst 2>,
- <&phyrst 3>, <&phyrst 4>;
- #phy-cells = <0>;
- cdns,phy-type = <PHY_TYPE_DP>;
- cdns,num-lanes = <4>;
- cdns,max-bit-rate = <8100>;
+ link@0 {
+ reg = <0>;
+ resets = <&phyrst 1>, <&phyrst 2>,
+ <&phyrst 3>, <&phyrst 4>;
+ #phy-cells = <0>;
+ cdns,phy-type = <PHY_TYPE_DP>;
+ cdns,num-lanes = <4>;
+ cdns,max-bit-rate = <8100>;
+ };
+ };
+ };
+ - |
+ #include <dt-bindings/phy/phy.h>
+ #include <dt-bindings/phy/phy-cadence-torrent.h>
+
+ bus {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ torrent-phy@f0fb500000 {
+ compatible = "cdns,torrent-phy";
+ reg = <0xf0 0xfb500000 0x0 0x00100000>;
+ reg-names = "torrent_phy";
+ resets = <&phyrst 0>, <&phyrst 1>;
+ clocks = <&ref_clk>;
+ clock-names = "refclk";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ link@0 {
+ reg = <0>;
+ resets = <&phyrst 2>, <&phyrst 3>;
+ #phy-cells = <0>;
+ cdns,phy-type = <PHY_TYPE_PCIE>;
+ cdns,num-lanes = <2>;
+ cdns,ssc-mode = <TORRENT_SERDES_NO_SSC>;
+ };
+
+ link@2 {
+ reg = <2>;
+ resets = <&phyrst 4>;
+ #phy-cells = <0>;
+ cdns,phy-type = <PHY_TYPE_SGMII>;
+ cdns,num-lanes = <1>;
+ cdns,ssc-mode = <TORRENT_SERDES_NO_SSC>;
};
};
};
--
2.26.1
next prev parent reply other threads:[~2020-08-27 13:39 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-27 13:28 [PATCH v2 0/7] PHY: Prepare Cadence Torrent PHY driver to support multilink configurations Swapnil Jakhade
2020-08-27 13:28 ` [PATCH v2 1/7] phy: cadence-torrent: Use of_device_get_match_data() to get driver data Swapnil Jakhade
2020-08-27 13:28 ` [PATCH v2 2/7] phy: cadence-torrent: Use devm_platform_ioremap_resource() to get reg addresses Swapnil Jakhade
2020-08-27 13:28 ` [PATCH v2 3/7] phy: cadence-torrent: Enable support for multiple subnodes Swapnil Jakhade
2020-08-27 13:28 ` [PATCH v2 4/7] phy: cadence-torrent: Add separate regmap functions for torrent and DP Swapnil Jakhade
2020-08-27 13:28 ` [PATCH v2 5/7] phy: cadence-torrent: Check total lane count for all subnodes is within limit Swapnil Jakhade
2020-08-27 13:28 ` [PATCH v2 6/7] dt-bindings: phy: cadence-torrent: Add binding to specify SSC mode Swapnil Jakhade
2020-08-27 13:28 ` Swapnil Jakhade [this message]
2020-09-09 20:36 ` [PATCH v2 7/7] dt-bindings: phy: cadence-torrent: Update Torrent PHY bindings for generic use Rob Herring
2020-09-08 5:05 ` [PATCH v2 0/7] PHY: Prepare Cadence Torrent PHY driver to support multilink configurations Vinod Koul
2020-09-08 13:57 ` Swapnil Kashinath Jakhade
2020-09-16 12:12 ` Vinod Koul
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