[PATCH 05/11] ARM: dts: socfpga: adapt upstream SA2 device tree
David Picard
david.picard at clermont.in2p3.fr
Wed Sep 17 08:22:08 PDT 2025
Signed-off-by: David Picard <david.picard at clermont.in2p3.fr>
---
arch/arm/dts/socfpga_cyclone5_mercury_sa2.dtsi | 25 +++++++++++++++++++++++--
1 file changed, 23 insertions(+), 2 deletions(-)
diff --git a/arch/arm/dts/socfpga_cyclone5_mercury_sa2.dtsi b/arch/arm/dts/socfpga_cyclone5_mercury_sa2.dtsi
index 73bd75fcf224fbf31fce27dda6566d4bfe37d624..52a9d1a6c396fb3df56acbaf99d40594dea19944 100644
--- a/arch/arm/dts/socfpga_cyclone5_mercury_sa2.dtsi
+++ b/arch/arm/dts/socfpga_cyclone5_mercury_sa2.dtsi
@@ -9,9 +9,14 @@
#include <arm/intel/socfpga/socfpga_cyclone5.dtsi>
+/ {
+ barebox,deep-probe;
+};
+
/ {
model = "Enclustra Mercury+ SA2";
- compatible = "altr,socfpga-cyclone5", "altr,socfpga";
+ compatible = "enclustra,mercury-sa2-st1", "enclustra,mercury-sa2", "altr,socfpga-cyclone5", "altr,socfpga";
+
chosen {
stdout-path = "serial0:115200n8";
@@ -57,7 +62,8 @@ isl12020: rtc at 6f {
reg = <0x6f>;
};
- atsha204a: crypto at 64 {
+ atsha204a: atsha204a at 64 {
+ status = "okay";
compatible = "atmel,atsha204a";
reg = <0x64>;
};
@@ -125,6 +131,21 @@ mdio0 {
phy3: ethernet-phy at 3 {
reg = <3>;
+ /*
+ Ethernet PHY reset pin (active low, GPIO44) :
+ - 1st field: GPIO controller phandle
+ - 2nd field: GPIO line offset
+ - 3rd field: flags (see gpio.txt)
+
+ Reference:
+ - Cyclone 5 HPS technical reference, table 23-1: GPIO44 is on controller
+ GPIO1, whose 1st line is GPIO29. The offset is thus 44 - 29 = 15.
+ - Linux documentation:
+ - Documentation/devicetree/bindings/gpio/gpio.txt
+ - Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml
+ */
+ reset-gpios = <&portb 15 0x01>;
+
/* Add 2ns RX clock delay (1.2ns + 0.78ns)*/
rxc-skew-ps = <1680>;
rxd0-skew-ps = <420>;
--
2.43.0
More information about the barebox
mailing list