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Date: Sat, 26 Feb 2022 21:44:04 +0100
From: Frank Wunderlich <linux@...web.de>
To: linux-ide@...r.kernel.org
Cc: Frank Wunderlich <frank-w@...lic-files.de>,
Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
Rob Herring <robh+dt@...nel.org>,
Hans de Goede <hdegoede@...hat.com>,
Jens Axboe <axboe@...nel.dk>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, Peter Geis <pgwipeout@...il.com>
Subject: [PATCH] dt-bindings: Convert ahci-platform DT bindings to yaml
From: Frank Wunderlich <frank-w@...lic-files.de>
Create a yaml file for dtbs_check from the old txt binding.
Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
---
.../devicetree/bindings/ata/ahci-platform.txt | 79 -----------
.../bindings/ata/ahci-platform.yaml | 134 ++++++++++++++++++
2 files changed, 134 insertions(+), 79 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/ata/ahci-platform.txt
create mode 100644 Documentation/devicetree/bindings/ata/ahci-platform.yaml
diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt
deleted file mode 100644
index 77091a277642..000000000000
--- a/Documentation/devicetree/bindings/ata/ahci-platform.txt
+++ /dev/null
@@ -1,79 +0,0 @@
-* AHCI SATA Controller
-
-SATA nodes are defined to describe on-chip Serial ATA controllers.
-Each SATA controller should have its own node.
-
-It is possible, but not required, to represent each port as a sub-node.
-It allows to enable each port independently when dealing with multiple
-PHYs.
-
-Required properties:
-- compatible : compatible string, one of:
- - "brcm,iproc-ahci"
- - "hisilicon,hisi-ahci"
- - "cavium,octeon-7130-ahci"
- - "ibm,476gtr-ahci"
- - "marvell,armada-380-ahci"
- - "marvell,armada-3700-ahci"
- - "snps,dwc-ahci"
- - "snps,spear-ahci"
- - "generic-ahci"
-- interrupts : <interrupt mapping for SATA IRQ>
-- reg : <registers mapping>
-
-Please note that when using "generic-ahci" you must also specify a SoC specific
-compatible:
- compatible = "manufacturer,soc-model-ahci", "generic-ahci";
-
-Optional properties:
-- dma-coherent : Present if dma operations are coherent
-- clocks : a list of phandle + clock specifier pairs
-- resets : a list of phandle + reset specifier pairs
-- target-supply : regulator for SATA target power
-- phy-supply : regulator for PHY power
-- phys : reference to the SATA PHY node
-- phy-names : must be "sata-phy"
-- ahci-supply : regulator for AHCI controller
-- ports-implemented : Mask that indicates which ports that the HBA supports
- are available for software to use. Useful if PORTS_IMPL
- is not programmed by the BIOS, which is true with
- some embedded SOC's.
-
-Required properties when using sub-nodes:
-- #address-cells : number of cells to encode an address
-- #size-cells : number of cells representing the size of an address
-
-Sub-nodes required properties:
-- reg : the port number
-And at least one of the following properties:
-- phys : reference to the SATA PHY node
-- target-supply : regulator for SATA target power
-
-Examples:
- sata@...08000 {
- compatible = "snps,spear-ahci";
- reg = <0xffe08000 0x1000>;
- interrupts = <115>;
- };
-
-With sub-nodes:
- sata@...90000 {
- compatible = "marvell,berlin2q-achi", "generic-ahci";
- reg = <0xe90000 0x1000>;
- interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&chip CLKID_SATA>;
- #address-cells = <1>;
- #size-cells = <0>;
-
- sata0: sata-port@0 {
- reg = <0>;
- phys = <&sata_phy 0>;
- target-supply = <®_sata0>;
- };
-
- sata1: sata-port@1 {
- reg = <1>;
- phys = <&sata_phy 1>;
- target-supply = <®_sata1>;;
- };
- };
diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.yaml b/Documentation/devicetree/bindings/ata/ahci-platform.yaml
new file mode 100644
index 000000000000..b5bef93215c0
--- /dev/null
+++ b/Documentation/devicetree/bindings/ata/ahci-platform.yaml
@@ -0,0 +1,134 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/ata/ahci-platform.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: AHCI SATA Controller
+description:
+ SATA nodes are defined to describe on-chip Serial ATA controllers.
+ Each SATA controller should have its own node.
+
+ It is possible, but not required, to represent each port as a sub-node.
+ It allows to enable each port independently when dealing with multiple
+ PHYs.
+
+maintainers:
+ - Hans de Goede <hdegoede@...hat.com>
+ - Jens Axboe <axboe@...nel.dk>
+
+properties:
+ compatible:
+ enum:
+ - brcm,iproc-ahci
+ - hisilicon,hisi-ahci
+ - cavium,octeon-7130-ahci
+ - ibm,476gtr-ahci
+ - marvell,armada-380-ahci
+ - marvell,armada-3700-ahci
+ - snps,dwc-ahci
+ - snps,spear-ahci
+ - generic-ahci
+
+ ahci-supply:
+ description:
+ regulator for AHCI controller
+
+ dma-coherent:
+ description:
+ Present if dma operations are coherent
+
+ clocks:
+ minItems: 1
+ maxItems: 3
+
+ interrupts:
+ minItems: 1
+
+ phy-supply:
+ description:
+ regulator for PHY power
+
+ phys:
+ minItems: 1
+
+ phy-names:
+ minItems: 1
+
+ ports-implemented:
+ description:
+ Mask that indicates which ports that the HBA supports
+ are available for software to use. Useful if PORTS_IMPL
+ is not programmed by the BIOS, which is true with
+ some embedded SOC's.
+ minItems: 1
+
+ reg:
+ maxItems: 1
+
+ resets:
+ minItems: 1
+
+ target-supply:
+ description:
+ regulator for SATA target power
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+patternProperties:
+ "^sata-port@[0-9]+$":
+ type: object
+ description:
+ Subnode with configuration of the Ports.
+
+ properties:
+ reg:
+ maxItems: 1
+
+ phys:
+ minItems: 1
+
+ target-supply:
+ description:
+ regulator for SATA target power
+
+ required:
+ - reg
+
+ anyOf:
+ - required: [ phys ]
+ - required: [ target-supply ]
+
+additionalProperties: true
+
+examples:
+ - |
+ sata@...08000 {
+ compatible = "snps,spear-ahci";
+ reg = <0xffe08000 0x1000>;
+ interrupts = <115>;
+ };
+ - |
+ sata@...90000 {
+ compatible = "marvell,berlin2q-achi", "generic-ahci";
+ reg = <0xe90000 0x1000>;
+ interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&chip CLKID_SATA>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sata0: sata-port@0 {
+ reg = <0>;
+ phys = <&sata_phy 0>;
+ target-supply = <®_sata0>;
+ };
+
+ sata1: sata-port@1 {
+ reg = <1>;
+ phys = <&sata_phy 1>;
+ target-supply = <®_sata1>;;
+ };
+ };
--
2.25.1
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