Lines Matching +full:skew +full:- +full:delay
1 // SPDX-License-Identifier: GPL-2.0+
9 compatible = "altr,socfpga-arria10-socdk", "altr,socfpga-arria10", "altr,socfpga";
18 stdout-path = "serial0:115200n8";
28 compatible = "gpio-leds";
31 label = "a10sr-led0";
36 label = "a10sr-led1";
41 label = "a10sr-led2";
46 label = "a10sr-led3";
51 ref_033v: 033-v-ref {
52 compatible = "regulator-fixed";
53 regulator-name = "0.33V";
54 regulator-min-microvolt = <330000>;
55 regulator-max-microvolt = <330000>;
62 clock-frequency = <25000000>;
70 phy-mode = "rgmii";
71 phy-addr = <0xffffffff>; /* probe for phy addr */
74 * These skews assume the user's FPGA design is adding 600ps of delay
77 * All skews are offset since hardware skew values for the ksz9031
78 * range from a negative skew to a positive skew.
79 * See the micrel-ksz90x1.txt Documentation file for details.
81 txd0-skew-ps = <0>; /* -420ps */
82 txd1-skew-ps = <0>; /* -420ps */
83 txd2-skew-ps = <0>; /* -420ps */
84 txd3-skew-ps = <0>; /* -420ps */
85 rxd0-skew-ps = <420>; /* 0ps */
86 rxd1-skew-ps = <420>; /* 0ps */
87 rxd2-skew-ps = <420>; /* 0ps */
88 rxd3-skew-ps = <420>; /* 0ps */
89 txen-skew-ps = <0>; /* -420ps */
90 txc-skew-ps = <1860>; /* 960ps */
91 rxdv-skew-ps = <420>; /* 0ps */
92 rxc-skew-ps = <1680>; /* 780ps */
93 max-frame-size = <3800>;
104 resource-manager@0 {
107 spi-max-frequency = <100000>;
108 /* low-level active IRQ at GPIO1_5 */
109 interrupt-parent = <&portb>;
111 interrupt-controller;
112 #interrupt-cells = <2>;
114 a10sr_gpio: gpio-controller {
115 compatible = "altr,a10sr-gpio";
116 gpio-controller;
117 #gpio-cells = <2>;
120 a10sr_rst: reset-controller {
121 compatible = "altr,a10sr-reset";
122 #reset-cells = <1>;
134 clock-frequency = <100000>;
135 i2c-sda-falling-time-ns = <6000>;
136 i2c-scl-falling-time-ns = <6000>;
141 vref-supply = <&ref_033v>;
147 vref-supply = <&ref_033v>;
178 disable-over-current;