From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/Documentation/devicetree/bindings/net/keystone-netcp.txt | 54 +++++++++++++++++++++++++++++++++++++++++++++++++-----
1 files changed, 49 insertions(+), 5 deletions(-)
diff --git a/kernel/Documentation/devicetree/bindings/net/keystone-netcp.txt b/kernel/Documentation/devicetree/bindings/net/keystone-netcp.txt
index 04ba1dc..24f11e0 100644
--- a/kernel/Documentation/devicetree/bindings/net/keystone-netcp.txt
+++ b/kernel/Documentation/devicetree/bindings/net/keystone-netcp.txt
@@ -104,6 +104,23 @@
- 10Gb mac<->mac forced mode : 11
----phy-handle: phandle to PHY device
+- cpts: sub-node time synchronization (CPTS) submodule configuration
+-- clocks: CPTS reference clock. Should point on cpts-refclk-mux clock.
+-- clock-names: should be "cpts"
+-- cpts-refclk-mux: multiplexer clock definition sub-node for CPTS reference (RFTCLK) clock
+--- #clock-cells: should be 0
+--- clocks: list of CPTS reference (RFTCLK) clock's parents as defined in Data manual
+--- ti,mux-tbl: array of multiplexer indexes as defined in Data manual
+--- assigned-clocks: should point on cpts-refclk-mux clock
+--- assigned-clock-parents: should point on required RFTCLK clock parent to be selected
+-- cpts_clock_mult: (optional) Numerator to convert input clock ticks
+ into nanoseconds
+-- cpts_clock_shift: (optional) Denominator to convert input clock ticks into
+ nanoseconds.
+ Mult and shift will be calculated basing on CPTS
+ rftclk frequency if both cpts_clock_shift and
+ cpts_clock_mult properties are not provided.
+
Optional properties:
- enable-ale: NetCP driver keeps the address learning feature in the ethernet
switch module disabled. This attribute is to enable the address
@@ -135,13 +152,13 @@
are swapped. The netcp driver will swap the two DWORDs
back to the proper order when this property is set to 2
when it obtains the mac address from efuse.
-- local-mac-address: the driver is designed to use the of_get_mac_address api
- only if efuse-mac is 0. When efuse-mac is 0, the MAC
- address is obtained from local-mac-address. If this
- attribute is not present, then the driver will use a
- random MAC address.
- "netcp-device label": phandle to the device specification for each of NetCP
sub-module attached to this interface.
+
+The MAC address will be determined using the optional properties defined in
+ethernet.txt and only if efuse-mac is set to 0. If all of the optional MAC
+address properties are not present, then the driver will use a random MAC
+address.
Example binding:
@@ -167,6 +184,23 @@
/* enable-ale; */
tx-queue = <648>;
tx-channel = <8>;
+
+ cpts {
+ clocks = <&cpts_refclk_mux>;
+ clock-names = "cpts";
+
+ cpts_refclk_mux: cpts-refclk-mux {
+ #clock-cells = <0>;
+ clocks = <&chipclk12>, <&chipclk13>,
+ <&timi0>, <&timi1>,
+ <&tsipclka>, <&tsrefclk>,
+ <&tsipclkb>;
+ ti,mux-tbl = <0x0>, <0x1>, <0x2>,
+ <0x3>, <0x4>, <0x8>, <0xC>;
+ assigned-clocks = <&cpts_refclk_mux>;
+ assigned-clock-parents = <&chipclk12>;
+ };
+ };
interfaces {
gbe0: interface-0 {
@@ -219,3 +253,13 @@
};
};
};
+
+CPTS board configuration - select external CPTS RFTCLK:
+
+&tsrefclk{
+ clock-frequency = <500000000>;
+};
+
+&cpts_refclk_mux {
+ assigned-clock-parents = <&tsrefclk>;
+};
--
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