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Document support for spread spectrum clocking (SSC) on RTL8211F(D)(I)-CG, RTL8211FS(I)(-VS)-CG, RTL8211FG(I)(-VS)-CG PHYs. Introduce DT properties 'realtek,clkout-ssc-enable', 'realtek,rxc-ssc-enable' and 'realtek,sysclk-ssc-enable' which control CLKOUT, RXC and SYSCLK SSC spread spectrum clocking enablement on these signals. These clock are not exposed via the clock API, therefore assigned-clock-sscs property does not apply. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Signed-off-by: Marek Vasut <marek.vasut@mailbox.org> Link: https://patch.msgid.link/20260405233008.148974-2-marek.vasut@mailbox.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
99 lines
2.4 KiB
YAML
99 lines
2.4 KiB
YAML
# SPDX-License-Identifier: GPL-2.0+
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/net/realtek,rtl82xx.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Realtek RTL82xx PHY
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maintainers:
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- Andrew Lunn <andrew@lunn.ch>
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- Florian Fainelli <f.fainelli@gmail.com>
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- Heiner Kallweit <hkallweit1@gmail.com>
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description:
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Bindings for Realtek RTL82xx PHYs
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properties:
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compatible:
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enum:
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- ethernet-phy-id001c.c800
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- ethernet-phy-id001c.c816
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- ethernet-phy-id001c.c838
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- ethernet-phy-id001c.c840
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- ethernet-phy-id001c.c848
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- ethernet-phy-id001c.c849
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- ethernet-phy-id001c.c84a
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- ethernet-phy-id001c.c862
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- ethernet-phy-id001c.c878
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- ethernet-phy-id001c.c880
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- ethernet-phy-id001c.c910
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- ethernet-phy-id001c.c912
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- ethernet-phy-id001c.c913
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- ethernet-phy-id001c.c914
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- ethernet-phy-id001c.c915
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- ethernet-phy-id001c.c916
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- ethernet-phy-id001c.c942
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- ethernet-phy-id001c.c961
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- ethernet-phy-id001c.cad0
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- ethernet-phy-id001c.cb00
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leds: true
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realtek,aldps-enable:
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type: boolean
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description:
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Enable ALDPS mode, ALDPS mode default is disabled after hardware reset.
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realtek,clkout-disable:
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type: boolean
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description:
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Disable CLKOUT clock, CLKOUT clock default is enabled after hardware reset.
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realtek,clkout-ssc-enable:
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type: boolean
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description:
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Enable CLKOUT SSC mode, CLKOUT SSC mode default is disabled after hardware reset.
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realtek,rxc-ssc-enable:
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type: boolean
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description:
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Enable RXC SSC mode, RXC SSC mode default is disabled after hardware reset.
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realtek,sysclk-ssc-enable:
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type: boolean
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description:
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Enable SYSCLK SSC mode, SYSCLK SSC mode default is disabled after hardware reset.
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wakeup-source:
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type: boolean
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description:
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Enable Wake-on-LAN support for the RTL8211F PHY.
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unevaluatedProperties: false
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allOf:
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- $ref: ethernet-phy.yaml#
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- if:
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not:
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properties:
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compatible:
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contains:
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const: ethernet-phy-id001c.c916
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then:
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properties:
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leds: false
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examples:
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- |
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mdio {
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#address-cells = <1>;
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#size-cells = <0>;
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ethphy1: ethernet-phy@1 {
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reg = <1>;
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realtek,clkout-disable;
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realtek,aldps-enable;
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};
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};
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