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Message-ID: <a6a59fba-6a0c-c00f-29e7-e85c7dcc1319@ti.com>
Date: Mon, 24 Aug 2020 10:47:08 +0300
From: Roger Quadros <rogerq@...com>
To: <kishon@...com>, <vkoul@...nel.org>,
Tony Lindgren <tony@...mide.com>
CC: <robh+dt@...nel.org>, <nsekhar@...com>, <vigneshr@...com>,
<jan.kiszka@...mens.com>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>
Subject: Re: [PATCH v4] dt-binding: phy: convert ti,omap-usb2 to YAML
Hi,
On 21/08/2020 11:11, Roger Quadros wrote:
> Move ti,omap-usb2 to its own YAML schema.
>
> Signed-off-by: Roger Quadros <rogerq@...com>
> Reviewed-by: Rob Herring <robh@...nel.org>
> ---
>
> v4
> - fix example to fix dt_binding_check warnings
> - '#phy-cells' -> "#phy-cells"
> - Add 'oneOf' to compatible logic to allow just "ti,omap-usb2" as valid
>
> v3
> - Removed quotes from compatibles
> - changed property to "ti,disable-charger-det"
>
> v2
> - Address Rob's comments on YAML schema.
>
> .../devicetree/bindings/phy/ti,omap-usb2.yaml | 72 +++++++++++++++++++
> .../devicetree/bindings/phy/ti-phy.txt | 37 ----------
> 2 files changed, 72 insertions(+), 37 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/phy/ti,omap-usb2.yaml
>
> diff --git a/Documentation/devicetree/bindings/phy/ti,omap-usb2.yaml b/Documentation/devicetree/bindings/phy/ti,omap-usb2.yaml
> new file mode 100644
> index 000000000000..a05110351814
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/ti,omap-usb2.yaml
> @@ -0,0 +1,72 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/ti,omap-usb2.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: OMAP USB2 PHY
> +
> +maintainers:
> + - Kishon Vijay Abraham I <kishon@...com>
> + - Roger Quadros <rogerq@...com>
> +
> +properties:
> + compatible:
> + oneOf:
> + - items:
> + - enum:
> + - ti,dra7x-usb2
> + - ti,dra7x-usb2-phy2
> + - ti,am654-usb2
I missed these two.
"ti,omap5-usb2"
"ti,am437x-usb2"
While "ti,am437x-usb2" is being used in the device tree files
I don't see "ti,omap5-usb2" being used anywhere.
omap5-l4.dtsi uses "ti,omap-usb2"
Should we get rid of "ti,omap5-usb2"?
cheers,
-roger
> + - enum:
> + - ti,omap-usb2
> + - items:
> + - const: ti,omap-usb2
> +
> + reg:
> + maxItems: 1
> +
> + "#phy-cells":
> + const: 0
> +
> + clocks:
> + minItems: 1
> + items:
> + - description: wakeup clock
> + - description: reference clock
> +
> + clock-names:
> + minItems: 1
> + items:
> + - const: wkupclk
> + - const: refclk
> +
> + syscon-phy-power:
> + $ref: /schemas/types.yaml#definitions/phandle-array
> + description:
> + phandle/offset pair. Phandle to the system control module and
> + register offset to power on/off the PHY.
> +
> + ctrl-module:
> + $ref: /schemas/types.yaml#definitions/phandle
> + description:
> + (deprecated) phandle of the control module used by PHY driver
> + to power on the PHY. Use syscon-phy-power instead.
> +
> +required:
> + - compatible
> + - reg
> + - "#phy-cells"
> + - clocks
> + - clock-names
> +
> +examples:
> + - |
> + usb0_phy: phy@...0000 {
> + compatible = "ti,am654-usb2", "ti,omap-usb2";
> + reg = <0x4100000 0x54>;
> + syscon-phy-power = <&scm_conf 0x4000>;
> + clocks = <&k3_clks 151 0>, <&k3_clks 151 1>;
> + clock-names = "wkupclk", "refclk";
> + #phy-cells = <0>;
> + };
> diff --git a/Documentation/devicetree/bindings/phy/ti-phy.txt b/Documentation/devicetree/bindings/phy/ti-phy.txt
> index 8f93c3b694a7..60c9d0ac75e6 100644
> --- a/Documentation/devicetree/bindings/phy/ti-phy.txt
> +++ b/Documentation/devicetree/bindings/phy/ti-phy.txt
> @@ -27,43 +27,6 @@ omap_control_usb: omap-control-usb@...02300 {
> reg-names = "otghs_control";
> };
>
> -OMAP USB2 PHY
> -
> -Required properties:
> - - compatible: Should be "ti,omap-usb2"
> - Should be "ti,dra7x-usb2" for the 1st instance of USB2 PHY on
> - DRA7x
> - Should be "ti,dra7x-usb2-phy2" for the 2nd instance of USB2 PHY
> - in DRA7x
> - Should be "ti,am654-usb2" for the USB2 PHYs on AM654.
> - - reg : Address and length of the register set for the device.
> - - #phy-cells: determine the number of cells that should be given in the
> - phandle while referencing this phy.
> - - clocks: a list of phandles and clock-specifier pairs, one for each entry in
> - clock-names.
> - - clock-names: should include:
> - * "wkupclk" - wakeup clock.
> - * "refclk" - reference clock (optional).
> -
> -Deprecated properties:
> - - ctrl-module : phandle of the control module used by PHY driver to power on
> - the PHY.
> -
> -Recommended properies:
> -- syscon-phy-power : phandle/offset pair. Phandle to the system control
> - module and the register offset to power on/off the PHY.
> -
> -This is usually a subnode of ocp2scp to which it is connected.
> -
> -usb2phy@...ad080 {
> - compatible = "ti,omap-usb2";
> - reg = <0x4a0ad080 0x58>;
> - ctrl-module = <&omap_control_usb>;
> - #phy-cells = <0>;
> - clocks = <&usb_phy_cm_clk32k>, <&usb_otg_ss_refclk960m>;
> - clock-names = "wkupclk", "refclk";
> -};
> -
> TI PIPE3 PHY
>
> Required properties:
>
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