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+# 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@redhat.com>
+ - Jens Axboe <axboe@kernel.dk>
+
+select:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - brcm,iproc-ahci
+ - cavium,octeon-7130-ahci
+ - hisilicon,hisi-ahci
+ - ibm,476gtr-ahci
+ - marvell,armada-3700-ahci
+ - marvell,armada-8k-ahci
+ - marvell,berlin2q-ahci
+ - socionext,uniphier-pro4-ahci
+ - socionext,uniphier-pxs2-ahci
+ - socionext,uniphier-pxs3-ahci
+ required:
+ - compatible
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - brcm,iproc-ahci
+ - marvell,armada-8k-ahci
+ - marvell,berlin2-ahci
+ - marvell,berlin2q-ahci
+ - socionext,uniphier-pro4-ahci
+ - socionext,uniphier-pxs2-ahci
+ - socionext,uniphier-pxs3-ahci
+ - const: generic-ahci
+ - enum:
+ - cavium,octeon-7130-ahci
+ - hisilicon,hisi-ahci
+ - ibm,476gtr-ahci
+ - marvell,armada-3700-ahci
+
+ reg:
+ minItems: 1
+ maxItems: 2
+
+ reg-names:
+ maxItems: 1
+
+ clocks:
+ minItems: 1
+ maxItems: 3
+
+ clock-names:
+ minItems: 1
+ maxItems: 3
+
+ interrupts:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+ resets:
+ minItems: 1
+ maxItems: 3
+
+patternProperties:
+ "^sata-port@[0-9a-f]+$":
+ $ref: /schemas/ata/ahci-common.yaml#/$defs/ahci-port
+
+ anyOf:
+ - required: [ phys ]
+ - required: [ target-supply ]
+
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+allOf:
+ - $ref: ahci-common.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: socionext,uniphier-pro4-ahci
+ then:
+ properties:
+ resets:
+ items:
+ - description: reset line for the parent
+ - description: reset line for the glue logic
+ - description: reset line for the controller
+ required:
+ - resets
+ else:
+ if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - socionext,uniphier-pxs2-ahci
+ - socionext,uniphier-pxs3-ahci
+ then:
+ properties:
+ resets:
+ items:
+ - description: reset for the glue logic
+ - description: reset for the controller
+ required:
+ - resets
+ else:
+ properties:
+ resets:
+ maxItems: 1
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ sata@ffe08000 {
+ compatible = "snps,spear-ahci";
+ reg = <0xffe08000 0x1000>;
+ interrupts = <115>;
+ };
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/berlin2q.h>
+ #include <dt-bindings/ata/ahci.h>
+
+ sata@f7e90000 {
+ compatible = "marvell,berlin2q-ahci", "generic-ahci";
+ reg = <0xf7e90000 0x1000>;
+ interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&chip CLKID_SATA>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ hba-cap = <HBA_SMPS>;
+
+ sata0: sata-port@0 {
+ reg = <0>;
+
+ phys = <&sata_phy 0>;
+ target-supply = <®_sata0>;
+
+ hba-port-cap = <(HBA_PORT_FBSCP | HBA_PORT_ESP)>;
+ };
+
+ sata1: sata-port@1 {
+ reg = <1>;
+
+ phys = <&sata_phy 1>;
+ target-supply = <®_sata1>;
+
+ hba-port-cap = <(HBA_PORT_HPCP | HBA_PORT_MPSP | HBA_PORT_FBSCP)>;
+ };
+ };