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-rw-r--r--Documentation/devicetree/bindings/net/stmmac.txt179
1 files changed, 1 insertions, 178 deletions
diff --git a/Documentation/devicetree/bindings/net/stmmac.txt b/Documentation/devicetree/bindings/net/stmmac.txt
index cb694062afff..7d48782767cb 100644
--- a/Documentation/devicetree/bindings/net/stmmac.txt
+++ b/Documentation/devicetree/bindings/net/stmmac.txt
@@ -1,178 +1 @@
-* STMicroelectronics 10/100/1000/2500/10000 Ethernet (GMAC/XGMAC)
-
-Required properties:
-- compatible: Should be "snps,dwmac-<ip_version>", "snps,dwmac" or
- "snps,dwxgmac-<ip_version>", "snps,dwxgmac".
- For backwards compatibility: "st,spear600-gmac" is also supported.
-- reg: Address and length of the register set for the device
-- interrupts: Should contain the STMMAC interrupts
-- interrupt-names: Should contain a list of interrupt names corresponding to
- the interrupts in the interrupts property, if available.
- Valid interrupt names are:
- - "macirq" (combined signal for various interrupt events)
- - "eth_wake_irq" (the interrupt to manage the remote wake-up packet detection)
- - "eth_lpi" (the interrupt that occurs when Rx exits the LPI state)
-- phy-mode: See ethernet.txt file in the same directory.
-- snps,reset-gpio gpio number for phy reset.
-- snps,reset-active-low boolean flag to indicate if phy reset is active low.
-- snps,reset-delays-us is triplet of delays
- The 1st cell is reset pre-delay in micro seconds.
- The 2nd cell is reset pulse in micro seconds.
- The 3rd cell is reset post-delay in micro seconds.
-
-Optional properties:
-- resets: Should contain a phandle to the STMMAC reset signal, if any
-- reset-names: Should contain the reset signal name "stmmaceth", if a
- reset phandle is given
-- max-frame-size: See ethernet.txt file in the same directory
-- clocks: If present, the first clock should be the GMAC main clock and
- the second clock should be peripheral's register interface clock. Further
- clocks may be specified in derived bindings.
-- clock-names: One name for each entry in the clocks property, the
- first one should be "stmmaceth" and the second one should be "pclk".
-- ptp_ref: this is the PTP reference clock; in case of the PTP is available
- this clock is used for programming the Timestamp Addend Register. If not
- passed then the system clock will be used and this is fine on some
- platforms.
-- tx-fifo-depth: See ethernet.txt file in the same directory
-- rx-fifo-depth: See ethernet.txt file in the same directory
-- snps,pbl Programmable Burst Length (tx and rx)
-- snps,txpbl Tx Programmable Burst Length. Only for GMAC and newer.
- If set, DMA tx will use this value rather than snps,pbl.
-- snps,rxpbl Rx Programmable Burst Length. Only for GMAC and newer.
- If set, DMA rx will use this value rather than snps,pbl.
-- snps,no-pbl-x8 Don't multiply the pbl/txpbl/rxpbl values by 8.
- For core rev < 3.50, don't multiply the values by 4.
-- snps,aal Address-Aligned Beats
-- snps,fixed-burst Program the DMA to use the fixed burst mode
-- snps,mixed-burst Program the DMA to use the mixed burst mode
-- snps,force_thresh_dma_mode Force DMA to use the threshold mode for
- both tx and rx
-- snps,force_sf_dma_mode Force DMA to use the Store and Forward
- mode for both tx and rx. This flag is
- ignored if force_thresh_dma_mode is set.
-- snps,en-tx-lpi-clockgating Enable gating of the MAC TX clock during
- TX low-power mode
-- snps,multicast-filter-bins: Number of multicast filter hash bins
- supported by this device instance
-- snps,perfect-filter-entries: Number of perfect filter entries supported
- by this device instance
-- snps,ps-speed: port selection speed that can be passed to the core when
- PCS is supported. For example, this is used in case of SGMII
- and MAC2MAC connection.
-- snps,tso: this enables the TSO feature otherwise it will be managed by
- MAC HW capability register. Only for GMAC4 and newer.
-- AXI BUS Mode parameters: below the list of all the parameters to program the
- AXI register inside the DMA module:
- - snps,lpi_en: enable Low Power Interface
- - snps,xit_frm: unlock on WoL
- - snps,wr_osr_lmt: max write outstanding req. limit
- - snps,rd_osr_lmt: max read outstanding req. limit
- - snps,kbbe: do not cross 1KiB boundary.
- - snps,blen: this is a vector of supported burst length.
- - snps,fb: fixed-burst
- - snps,mb: mixed-burst
- - snps,rb: rebuild INCRx Burst
-- mdio: with compatible = "snps,dwmac-mdio", create and register mdio bus.
-- Multiple RX Queues parameters: below the list of all the parameters to
- configure the multiple RX queues:
- - snps,rx-queues-to-use: number of RX queues to be used in the driver
- - Choose one of these RX scheduling algorithms:
- - snps,rx-sched-sp: Strict priority
- - snps,rx-sched-wsp: Weighted Strict priority
- - For each RX queue
- - Choose one of these modes:
- - snps,dcb-algorithm: Queue to be enabled as DCB
- - snps,avb-algorithm: Queue to be enabled as AVB
- - snps,map-to-dma-channel: Channel to map
- - Specifiy specific packet routing:
- - snps,route-avcp: AV Untagged Control packets
- - snps,route-ptp: PTP Packets
- - snps,route-dcbcp: DCB Control Packets
- - snps,route-up: Untagged Packets
- - snps,route-multi-broad: Multicast & Broadcast Packets
- - snps,priority: RX queue priority (Range: 0x0 to 0xF)
-- Multiple TX Queues parameters: below the list of all the parameters to
- configure the multiple TX queues:
- - snps,tx-queues-to-use: number of TX queues to be used in the driver
- - Choose one of these TX scheduling algorithms:
- - snps,tx-sched-wrr: Weighted Round Robin
- - snps,tx-sched-wfq: Weighted Fair Queuing
- - snps,tx-sched-dwrr: Deficit Weighted Round Robin
- - snps,tx-sched-sp: Strict priority
- - For each TX queue
- - snps,weight: TX queue weight (if using a DCB weight algorithm)
- - Choose one of these modes:
- - snps,dcb-algorithm: TX queue will be working in DCB
- - snps,avb-algorithm: TX queue will be working in AVB
- [Attention] Queue 0 is reserved for legacy traffic
- and so no AVB is available in this queue.
- - Configure Credit Base Shaper (if AVB Mode selected):
- - snps,send_slope: enable Low Power Interface
- - snps,idle_slope: unlock on WoL
- - snps,high_credit: max write outstanding req. limit
- - snps,low_credit: max read outstanding req. limit
- - snps,priority: TX queue priority (Range: 0x0 to 0xF)
-Examples:
-
- stmmac_axi_setup: stmmac-axi-config {
- snps,wr_osr_lmt = <0xf>;
- snps,rd_osr_lmt = <0xf>;
- snps,blen = <256 128 64 32 0 0 0>;
- };
-
- mtl_rx_setup: rx-queues-config {
- snps,rx-queues-to-use = <1>;
- snps,rx-sched-sp;
- queue0 {
- snps,dcb-algorithm;
- snps,map-to-dma-channel = <0x0>;
- snps,priority = <0x0>;
- };
- };
-
- mtl_tx_setup: tx-queues-config {
- snps,tx-queues-to-use = <2>;
- snps,tx-sched-wrr;
- queue0 {
- snps,weight = <0x10>;
- snps,dcb-algorithm;
- snps,priority = <0x0>;
- };
-
- queue1 {
- snps,avb-algorithm;
- snps,send_slope = <0x1000>;
- snps,idle_slope = <0x1000>;
- snps,high_credit = <0x3E800>;
- snps,low_credit = <0xFFC18000>;
- snps,priority = <0x1>;
- };
- };
-
- gmac0: ethernet@e0800000 {
- compatible = "st,spear600-gmac";
- reg = <0xe0800000 0x8000>;
- interrupt-parent = <&vic1>;
- interrupts = <24 23 22>;
- interrupt-names = "macirq", "eth_wake_irq", "eth_lpi";
- mac-address = [000000000000]; /* Filled in by U-Boot */
- max-frame-size = <3800>;
- phy-mode = "gmii";
- snps,multicast-filter-bins = <256>;
- snps,perfect-filter-entries = <128>;
- rx-fifo-depth = <16384>;
- tx-fifo-depth = <16384>;
- clocks = <&clock>;
- clock-names = "stmmaceth";
- snps,axi-config = <&stmmac_axi_setup>;
- mdio0 {
- #address-cells = <1>;
- #size-cells = <0>;
- compatible = "snps,dwmac-mdio";
- phy1: ethernet-phy@0 {
- };
- };
- snps,mtl-rx-config = <&mtl_rx_setup>;
- snps,mtl-tx-config = <&mtl_tx_setup>;
- };
+This file has moved to snps,dwmac.yaml.