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Message-ID: <20201106161517.GA3290506@bogus>
Date: Fri, 6 Nov 2020 10:15:17 -0600
From: Rob Herring <robh@...nel.org>
To: Sowjanya Komatineni <skomatineni@...dia.com>
Cc: thierry.reding@...il.com, jonathanh@...dia.com,
devicetree@...r.kernel.org, linux-ide@...r.kernel.org,
linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/4] dt-bindings: ata: tegra: Convert binding
documentation to YAML
On Thu, Nov 05, 2020 at 06:16:05PM -0800, Sowjanya Komatineni wrote:
> This patch converts text based dt-binding document to YAML based
> dt-binding document.
>
> Signed-off-by: Sowjanya Komatineni <skomatineni@...dia.com>
> ---
> .../devicetree/bindings/ata/nvidia,tegra-ahci.yaml | 152 +++++++++++++++++++++
> .../bindings/ata/nvidia,tegra124-ahci.txt | 44 ------
> 2 files changed, 152 insertions(+), 44 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/ata/nvidia,tegra-ahci.yaml
> delete mode 100644 Documentation/devicetree/bindings/ata/nvidia,tegra124-ahci.txt
>
> diff --git a/Documentation/devicetree/bindings/ata/nvidia,tegra-ahci.yaml b/Documentation/devicetree/bindings/ata/nvidia,tegra-ahci.yaml
> new file mode 100644
> index 0000000..ac20f6e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/ata/nvidia,tegra-ahci.yaml
> @@ -0,0 +1,152 @@
> +# 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@...il.com>
> + - Jonathan Hunter <jonathanh@...dia.com>
> +
> +properties:
> + compatible:
> + enum:
> + - nvidia,tegra124-ahci
> + - nvidia,tegra132-ahci
> + - nvidia,tegra210-ahci
> +
> + reg:
> + minItems: 2
> + maxItems: 3
> + items:
> + - description: AHCI registers
> + - description: SATA configuration and IPFS registers
> + - description: SATA AUX registers
> +
> + interrupts:
> + maxItems: 1
> +
> + clock-names:
> + maxItems: 2
Don't need maxItems, implied by the size of 'items'.
> + items:
> + - const: sata
> + - const: sata-oob
> +
> + clocks:
> + maxItems: 2
> + description:
> + Must contain an entry for each entry in clock-names.
> + See ../clocks/clock-bindings.txt for details.
Drop 'description'. Says nothing specific to this binding.
> +
> + reset-names:
> + maxItems: 3
Need to define what each reset is.
> +
> + resets:
> + maxItems: 3
> + description:
> + Must contain an entry for each entry in reset-names.
> + See ../reset/reset.txt for details.
Drop 'description'. Says nothing specific to this binding.
> +
> + phy-names:
> + items:
> + - const: sata-0
> +
> + phys:
> + maxItems: 1
> + description:
> + Must contain an entry for each entry in phy-names.
> + See ../phy/phy-bindings.txt for details.
Drop 'description'. Says nothing specific to this binding.
> +
> + 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
> + items:
> + - const: sata
> + - const: sata-oob
> + - const: sata-cold
> + resets:
> + minItems: 3
This doesn't need to be conditional.
> + 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
> + items:
> + - const: sata
> + - const: sata-oob
> + - const: sata-cold
> + resets:
> + minItems: 3
> +
> +additionalProperties: true
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/tegra210-car.h>
> + #include <dt-bindings/reset/tegra210-car.h>
> +
> + sata@...20000 {
> + compatible = "nvidia,tegra210-ahci";
> + reg = <0x0 0x70027000 0x0 0x00002000>, /* AHCI */
> + <0x0 0x70020000 0x0 0x00007000>, /* SATA */
> + <0x0 0x70001100 0x0 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 123>,
> + <&tegra_car 129>;
> + reset-names = "sata", "sata-oob", "sata-cold";
> + };
> diff --git a/Documentation/devicetree/bindings/ata/nvidia,tegra124-ahci.txt b/Documentation/devicetree/bindings/ata/nvidia,tegra124-ahci.txt
> deleted file mode 100644
> index 12ab2f7..0000000
> --- a/Documentation/devicetree/bindings/ata/nvidia,tegra124-ahci.txt
> +++ /dev/null
> @@ -1,44 +0,0 @@
> -Tegra SoC SATA AHCI controller
> -
> -Required properties :
> -- compatible : Must be one of:
> - - Tegra124 : "nvidia,tegra124-ahci"
> - - Tegra132 : "nvidia,tegra132-ahci", "nvidia,tegra124-ahci"
> - - Tegra210 : "nvidia,tegra210-ahci"
> -- reg : Should contain 2 entries:
> - - AHCI register set (SATA BAR5)
> - - SATA register set
> -- interrupts : Defines the interrupt used by SATA
> -- clocks : Must contain an entry for each entry in clock-names.
> - See ../clocks/clock-bindings.txt for details.
> -- clock-names : Must include the following entries:
> - - sata
> - - sata-oob
> -- resets : Must contain an entry for each entry in reset-names.
> - See ../reset/reset.txt for details.
> -- reset-names : Must include the following entries:
> - - sata
> - - sata-oob
> - - sata-cold
> -- phys : Must contain an entry for each entry in phy-names.
> - See ../phy/phy-bindings.txt for details.
> -- phy-names : Must include the following entries:
> - - For Tegra124 and Tegra132:
> - - sata-phy : XUSB PADCTL SATA PHY
> -- For Tegra124 and Tegra132:
> - - hvdd-supply : Defines the SATA HVDD regulator
> - - vddio-supply : Defines the SATA VDDIO regulator
> - - avdd-supply : Defines the SATA AVDD regulator
> - - target-5v-supply : Defines the SATA 5V power regulator
> - - target-12v-supply : Defines the SATA 12V power regulator
> -
> -Optional properties:
> -- reg :
> - - AUX register set
> -- clock-names :
> - - cml1 :
> - cml1 clock should be defined here if the PHY driver
> - doesn't manage them. If it does, they should not be.
> -- phy-names :
> - - For T210:
> - - sata-phy
> --
> 2.7.4
>
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