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diff --git a/Bindings/ata/nvidia,tegra-ahci.yaml b/Bindings/ata/nvidia,tegra-ahci.yaml
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+++ b/Bindings/ata/nvidia,tegra-ahci.yaml
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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/ata/nvidia,tegra-ahci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Tegra AHCI SATA Controller
+
+maintainers:
+ - Thierry Reding <thierry.reding@gmail.com>
+ - Jonathan Hunter <jonathanh@nvidia.com>
+
+properties:
+ compatible:
+ enum:
+ - nvidia,tegra124-ahci
+ - nvidia,tegra132-ahci
+ - nvidia,tegra210-ahci
+ - nvidia,tegra186-ahci
+
+ reg:
+ minItems: 2
+ items:
+ - description: AHCI registers
+ - description: SATA configuration and IPFS registers
+ - description: SATA AUX registers
+
+ interrupts:
+ maxItems: 1
+
+ clock-names:
+ items:
+ - const: sata
+ - const: sata-oob
+
+ clocks:
+ maxItems: 2
+
+ reset-names:
+ minItems: 2
+ items:
+ - const: sata
+ - const: sata-cold
+ - const: sata-oob
+
+ resets:
+ minItems: 2
+ maxItems: 3
+
+ iommus:
+ maxItems: 1
+
+ interconnect-names:
+ items:
+ - const: dma-mem
+ - const: write
+
+ interconnects:
+ maxItems: 2
+
+ power-domains:
+ items:
+ - description: SAX power-domain
+
+ phy-names:
+ items:
+ - const: sata-0
+
+ phys:
+ maxItems: 1
+
+ hvdd-supply:
+ description: SATA HVDD regulator supply.
+
+ vddio-supply:
+ description: SATA VDDIO regulator supply.
+
+ avdd-supply:
+ description: SATA AVDD regulator supply.
+
+ target-5v-supply:
+ description: SATA 5V power regulator supply.
+
+ target-12v-supply:
+ description: SATA 12V power regulator supply.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clock-names
+ - clocks
+ - reset-names
+ - resets
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - nvidia,tegra124-ahci
+ - nvidia,tegra132-ahci
+ then:
+ properties:
+ reg:
+ maxItems: 2
+ reset-names:
+ minItems: 3
+ resets:
+ minItems: 3
+ required:
+ - phys
+ - phy-names
+ - hvdd-supply
+ - vddio-supply
+ - avdd-supply
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - nvidia,tegra210-ahci
+ then:
+ properties:
+ reg:
+ minItems: 3
+ reset-names:
+ minItems: 3
+ resets:
+ minItems: 3
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - nvidia,tegra186-ahci
+ then:
+ properties:
+ reg:
+ minItems: 3
+ reset-names:
+ maxItems: 2
+ resets:
+ maxItems: 2
+ required:
+ - iommus
+ - interconnect-names
+ - interconnects
+ - power-domains
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/tegra210-car.h>
+ #include <dt-bindings/reset/tegra210-car.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ sata@70020000 {
+ compatible = "nvidia,tegra210-ahci";
+ reg = <0x70027000 0x00002000>, /* AHCI */
+ <0x70020000 0x00007000>, /* SATA */
+ <0x70001100 0x00010000>; /* SATA AUX */
+ interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&tegra_car TEGRA210_CLK_SATA>,
+ <&tegra_car TEGRA210_CLK_SATA_OOB>;
+ clock-names = "sata", "sata-oob";
+ resets = <&tegra_car 124>,
+ <&tegra_car 129>,
+ <&tegra_car 123>;
+ reset-names = "sata", "sata-cold", "sata-oob";
+ };