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ARM: dts: socfpga: add Mercury AA1 variants

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Introduce support for Enclustra's Mercury+ AA1 SoM, based on Intel
Arria10. This is a flexible approach to allow for combining SoM
with carrier board .dtsi and boot-mode .dtsi in a device-tree file.

Signed-off-by: Andreas Buerkler <andreas.buerkler@enclustra.com>
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
This commit is contained in:
Lothar Rubusch
2025-10-18 12:11:51 +00:00
committed by Dinh Nguyen
parent 729ef23972
commit 26a0157f4c
1 changed files with 121 additions and 22 deletions
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143
arch/arm/boot/dts/intel/socfpga/socfpga_arria10_mercury_aa1.dtsi
View File

@@ -7,12 +7,14 @@
/ {
model = "Enclustra Mercury AA1";
compatible = "enclustra,mercury-aa1", "altr,socfpga-arria10", "altr,socfpga";
model = "Enclustra Mercury+ AA1";
compatible = "enclustra,mercury-aa1",
"altr,socfpga-arria10", "altr,socfpga";
aliases {
ethernet0 = &gmac0;
serial1 = &uart1;
spi0 = &qspi;
};
memory@0 {
@@ -24,52 +26,102 @@
chosen {
stdout-path = "serial1:115200n8";
};
/* Adjusted the i2c labels to use generic base-board dtsi files for
* Enclustra Arria10 and Cyclone5 SoMs.
*
* The set of i2c0 and i2c1 labels defined in socfpga_cyclone5.dtsi and in
* socfpga_arria10.dtsi do not allow for using the same base-board .dtsi
* fragments. Thus define generic labels here to match the correct i2c
* bus in a generic base-board .dtsi file.
*/
soc {
i2c_encl: i2c@ffc02300 {
};
i2c_encl_fpga: i2c@ffc02200 {
};
};
};
&i2c_encl {
status = "okay";
i2c-sda-hold-time-ns = <300>;
clock-frequency = <100000>;
atsha204a: crypto@64 {
compatible = "atmel,atsha204a";
reg = <0x64>;
};
isl12022: rtc@6f {
compatible = "isil,isl12022";
reg = <0x6f>;
};
};
&i2c_encl_fpga {
i2c-sda-hold-time-ns = <300>;
status = "disabled";
};
&gmac0 {
phy-mode = "rgmii";
status = "okay";
phy-mode = "rgmii-id";
phy-addr = <0xffffffff>; /* probe for phy addr */
max-frame-size = <3800>;
phy-handle = <&phy3>;
/delete-property/ mac-address;
mdio {
#address-cells = <1>;
#size-cells = <0>;
compatible = "snps,dwmac-mdio";
phy3: ethernet-phy@3 {
txd0-skew-ps = <0>; /* -420ps */
txd1-skew-ps = <0>; /* -420ps */
txd2-skew-ps = <0>; /* -420ps */
txd3-skew-ps = <0>; /* -420ps */
reg = <3>;
/* Add 2ns RX clock delay (1.2ns + 0.78ns)*/
rxc-skew-ps = <1680>; /* 780ps */
rxd0-skew-ps = <420>; /* 0ps */
rxd1-skew-ps = <420>; /* 0ps */
rxd2-skew-ps = <420>; /* 0ps */
rxd3-skew-ps = <420>; /* 0ps */
txen-skew-ps = <0>; /* -420ps */
txc-skew-ps = <1860>; /* 960ps */
rxdv-skew-ps = <420>; /* 0ps */
rxc-skew-ps = <1680>; /* 780ps */
reg = <3>;
/* Add 1.38ns TX clock delay (0.96ns + 0.42ns)*/
txc-skew-ps = <1860>; /* 960ps */
txd0-skew-ps = <0>; /* -420ps */
txd1-skew-ps = <0>; /* -420ps */
txd2-skew-ps = <0>; /* -420ps */
txd3-skew-ps = <0>; /* -420ps */
txen-skew-ps = <0>; /* -420ps */
};
};
};
&i2c1 {
atsha204a: crypto@64 {
compatible = "atmel,atsha204a";
reg = <0x64>;
};
&gpio0 {
status = "okay";
};
isl12022: isl12022@6f {
compatible = "isil,isl12022";
reg = <0x6f>;
};
&gpio1 {
status = "okay";
};
&gpio2 {
status = "okay";
};
&uart0 {
status = "disabled";
};
&uart1 {
status = "okay";
};
/* Following mappings are taken from arria10 socdk dts */
&mmc {
status = "okay";
cap-sd-highspeed;
broken-cd;
bus-width = <4>;
@@ -79,3 +131,50 @@
&osc1 {
clock-frequency = <33330000>;
};
&eccmgr {
sdmmca-ecc@ff8c2c00 {
compatible = "altr,socfpga-sdmmc-ecc";
reg = <0xff8c2c00 0x400>;
altr,ecc-parent = <&mmc>;
interrupts = <15 IRQ_TYPE_LEVEL_HIGH>,
<47 IRQ_TYPE_LEVEL_HIGH>,
<16 IRQ_TYPE_LEVEL_HIGH>,
<48 IRQ_TYPE_LEVEL_HIGH>;
};
};
&qspi {
status = "okay";
flash0: flash@0 {
u-boot,dm-pre-reloc;
#address-cells = <1>;
#size-cells = <1>;
compatible = "jedec,spi-nor";
reg = <0>;
spi-rx-bus-width = <4>;
spi-tx-bus-width = <4>;
spi-max-frequency = <10000000>;
cdns,read-delay = <4>;
cdns,tshsl-ns = <50>;
cdns,tsd2d-ns = <50>;
cdns,tchsh-ns = <4>;
cdns,tslch-ns = <4>;
partition@raw {
label = "Flash Raw";
reg = <0x0 0x4000000>;
};
};
};
&watchdog1 {
status = "disabled";
};
&usb0 {
status = "okay";
dr_mode = "host";
};