From mboxrd@z Thu Jan 1 00:00:00 1970 From: Li Jun Subject: [PATCH resend 02/12] usb: typec: add basic typec properties Date: Tue, 26 Sep 2017 12:05:13 +0800 Message-ID: <1506398723-19359-3-git-send-email-jun.li@nxp.com> References: <1506398723-19359-1-git-send-email-jun.li@nxp.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1506398723-19359-1-git-send-email-jun.li-3arQi8VN3Tc@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, heikki.krogerus-VuQAYsv1563Yd54FQh9/CA@public.gmane.org Cc: yueyao-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, o_leveque-1tsiiZ//OF9QFI55V6+gNQ@public.gmane.org, peter.chen-3arQi8VN3Tc@public.gmane.org, aisheng.dong-3arQi8VN3Tc@public.gmane.org, jun.li-3arQi8VN3Tc@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org port-type is required for any typec port; default-role is only required for drp; power source capable needs src-pdos; power sink capable needs snk-pdos, max-snk-mv, max-snk-ma, op-snk-mw. Signed-off-by: Li Jun --- Documentation/devicetree/bindings/usb/typec.txt | 46 +++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/typec.txt b/Documentation/devicetree/bindings/usb/typec.txt new file mode 100644 index 0000000..36d4467 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/typec.txt @@ -0,0 +1,46 @@ +Generic typec and power delivery properties +------------------------------------------- + +Required properties: +- port-type: should be one of "source", "sink" or "dual". +- default-role: preferred power role if drp, should be "sink" or "source". +- src-pdos: An array of u32 with each entry providing supported power + source data object(PDO), the detailed bit definitions of + PDO can be found in "Universal Serial Bus Power Delivery + Specification" chapter 6.4.1.2 Source_Capabilities Message, + the order of each entry(PDO) should follow the PD spec chapter + 6.4.1. Required only for power source and power dual role with + power delivery support. +- snk-pdos: An array of u32 with each entry providing supported power + sink data object(PDO), the detailed bit definitions of PDO + can be found in "Universal Serial Bus Power Delivery + Specification" chapter 6.4.1.3 Sink Capabilities Message, + the order of each entry(PDO) should follow the PD spec chapter + 6.4.1. Required only for power sink and power dual role with + power delivery support. +- max-snk-mv: The max voltage the sink can support in millivoltage, required + only for power sink and power dual role with power delivery + support. +- max-snk-ma: The max current the sink can support in milliampere, required + only for power sink and power dual role with power delivery + support. +- op-snk-mw: Sink required operating power in milliwatts, if source offered + power is less then it, Capability Mismatch is set, required + only for power sink and power dual role with power delivery + support. + +Example: + +ptn5110@50 { + compatible = "usb,tcpci"; + reg = <0x50>; + interrupt-parent = <&gpio3>; + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; + port-type = "dual"; + default-role = "sink"; + src-pdos = <0x380190c8>; + snk-pdos = <0x380190c8 0x3802d0c8>; + max-snk-mv = <9000>; + max-snk-ma = <1000>; + op-snk-mw = <9000>; +}; -- 2.6.6 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html