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Message-Id: <20220306111125.116455-4-krzysztof.kozlowski@canonical.com>
Date: Sun, 6 Mar 2022 12:11:16 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To: Alim Akhtar <alim.akhtar@...sung.com>,
Avri Altman <avri.altman@....com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Wei Xu <xuwei5@...ilicon.com>,
Matthias Brugger <matthias.bgg@...il.com>,
Jan Kotas <jank@...ence.com>, Li Wei <liwei213@...wei.com>,
Stanley Chu <stanley.chu@...iatek.com>,
Vignesh Raghavendra <vigneshr@...com>,
linux-scsi@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org,
linux-mediatek@...ts.infradead.org
Cc: Rob Herring <robh@...nel.org>
Subject: [PATCH v3 03/12] dt-bindings: ufs: cdns,ufshc: convert to dtschema
Convert the Cadence Universal Flash Storage (UFS) Controlle to DT schema
format.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Reviewed-by: Rob Herring <robh@...nel.org>
---
.../devicetree/bindings/ufs/cdns,ufshc.txt | 32 ---------
.../devicetree/bindings/ufs/cdns,ufshc.yaml | 68 +++++++++++++++++++
.../devicetree/bindings/ufs/ti,j721e-ufs.yaml | 7 +-
3 files changed, 71 insertions(+), 36 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/ufs/cdns,ufshc.txt
create mode 100644 Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml
diff --git a/Documentation/devicetree/bindings/ufs/cdns,ufshc.txt b/Documentation/devicetree/bindings/ufs/cdns,ufshc.txt
deleted file mode 100644
index 02347b017abd..000000000000
--- a/Documentation/devicetree/bindings/ufs/cdns,ufshc.txt
+++ /dev/null
@@ -1,32 +0,0 @@
-* Cadence Universal Flash Storage (UFS) Controller
-
-UFS nodes are defined to describe on-chip UFS host controllers.
-Each UFS controller instance should have its own node.
-Please see the ufshcd-pltfrm.txt for a list of all available properties.
-
-Required properties:
-- compatible : Compatible list, contains one of the following controllers:
- "cdns,ufshc" - Generic CDNS HCI,
- "cdns,ufshc-m31-16nm" - CDNS UFS HC + M31 16nm PHY
- complemented with the JEDEC version:
- "jedec,ufs-2.0"
-
-- reg : Address and length of the UFS register set.
-- interrupts : One interrupt mapping.
-- freq-table-hz : Clock frequency table.
- See the ufshcd-pltfrm.txt for details.
-- clocks : List of phandle and clock specifier pairs.
-- clock-names : List of clock input name strings sorted in the same
- order as the clocks property. "core_clk" is mandatory.
- Depending on a type of a PHY,
- the "phy_clk" clock can also be added, if needed.
-
-Example:
- ufs@...30000 {
- compatible = "cdns,ufshc", "jedec,ufs-2.0";
- reg = <0xfd030000 0x10000>;
- interrupts = <0 1 IRQ_TYPE_LEVEL_HIGH>;
- freq-table-hz = <0 0>, <0 0>;
- clocks = <&ufs_core_clk>, <&ufs_phy_clk>;
- clock-names = "core_clk", "phy_clk";
- };
diff --git a/Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml b/Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml
new file mode 100644
index 000000000000..d227dea368be
--- /dev/null
+++ b/Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/ufs/cdns,ufshc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cadence Universal Flash Storage (UFS) Controller
+
+maintainers:
+ - Jan Kotas <jank@...ence.com>
+
+# Select only our matches, not all jedec,ufs-2.0
+select:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - cdns,ufshc
+ - cdns,ufshc-m31-16nm
+ required:
+ - compatible
+
+allOf:
+ - $ref: ufs-common.yaml
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - cdns,ufshc
+ # CDNS UFS HC + M31 16nm PHY
+ - cdns,ufshc-m31-16nm
+ - const: jedec,ufs-2.0
+
+ clocks:
+ minItems: 1
+ maxItems: 3
+
+ clock-names:
+ minItems: 1
+ items:
+ - const: core_clk
+ - const: phy_clk
+ - const: ref_clk
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - clocks
+ - clock-names
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ ufs@...30000 {
+ compatible = "cdns,ufshc", "jedec,ufs-2.0";
+ reg = <0xfd030000 0x10000>;
+ interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
+ freq-table-hz = <0 0>, <0 0>;
+ clocks = <&ufs_core_clk>, <&ufs_phy_clk>;
+ clock-names = "core_clk", "phy_clk";
+ };
diff --git a/Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml b/Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml
index 4d13e6bc1c50..c5eca7735f76 100644
--- a/Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml
+++ b/Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml
@@ -47,11 +47,10 @@ required:
patternProperties:
"^ufs@[0-9a-f]+$":
- type: object
+ $ref: cdns,ufshc.yaml
description: |
- Cadence UFS controller node must be the child node. Refer
- Documentation/devicetree/bindings/ufs/cdns,ufshc.txt for binding
- documentation of child node
+ Cadence UFS controller node must be the child node.
+ unevaluatedProperties: false
additionalProperties: false
--
2.32.0
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