* [PATCH 1/4] arm64: zynqmp: Disable coresight by default
2025-09-02 7:56 [PATCH 0/4] arm64: zynqmp: Minor DT changes Michal Simek
@ 2025-09-02 7:56 ` Michal Simek
2025-09-02 7:56 ` [PATCH 2/4] arm64: zynqmp: Revert usb node drive strength and slew rate for zcu106 Michal Simek
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Michal Simek @ 2025-09-02 7:56 UTC (permalink / raw)
To: linux-kernel, monstr, michal.simek, git
Cc: Quanyang Wang, Conor Dooley, Krzysztof Kozlowski, Rob Herring,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
moderated list:ARM/ZYNQ ARCHITECTURE
From: Quanyang Wang <quanyang.wang@windriver.com>
When secure-boot mode of bootloader is enabled, the registers of
coresight are not permitted to access that's why disable it by default.
Signed-off-by: Quanyang Wang <quanyang.wang@windriver.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
---
arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 5f26649c9e11..938b014ca923 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -550,6 +550,7 @@ cpu0_debug: debug@fec10000 {
reg = <0x0 0xfec10000 0x0 0x1000>;
clock-names = "apb_pclk";
cpu = <&cpu0>;
+ status = "disabled";
};
cpu1_debug: debug@fed10000 {
@@ -557,6 +558,7 @@ cpu1_debug: debug@fed10000 {
reg = <0x0 0xfed10000 0x0 0x1000>;
clock-names = "apb_pclk";
cpu = <&cpu1>;
+ status = "disabled";
};
cpu2_debug: debug@fee10000 {
@@ -564,6 +566,7 @@ cpu2_debug: debug@fee10000 {
reg = <0x0 0xfee10000 0x0 0x1000>;
clock-names = "apb_pclk";
cpu = <&cpu2>;
+ status = "disabled";
};
cpu3_debug: debug@fef10000 {
@@ -571,6 +574,7 @@ cpu3_debug: debug@fef10000 {
reg = <0x0 0xfef10000 0x0 0x1000>;
clock-names = "apb_pclk";
cpu = <&cpu3>;
+ status = "disabled";
};
/* GDMA */
--
2.43.0
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 2/4] arm64: zynqmp: Revert usb node drive strength and slew rate for zcu106
2025-09-02 7:56 [PATCH 0/4] arm64: zynqmp: Minor DT changes Michal Simek
2025-09-02 7:56 ` [PATCH 1/4] arm64: zynqmp: Disable coresight by default Michal Simek
@ 2025-09-02 7:56 ` Michal Simek
2025-09-02 7:56 ` [PATCH 3/4] arm64: zynqmp: Describe ethernet controllers via aliases on SOM Michal Simek
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Michal Simek @ 2025-09-02 7:56 UTC (permalink / raw)
To: linux-kernel, monstr, michal.simek, git
Cc: Radhey Shyam Pandey, Conor Dooley, Krzysztof Kozlowski,
Rob Herring,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
moderated list:ARM/ZYNQ ARCHITECTURE
From: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
On a few zcu106 boards USB devices (Dell MS116 USB Optical Mouse, Dell USB
Entry Keyboard) are not enumerated on linux boot due to commit
'b8745e7eb488 ("arm64: zynqmp: Fix usb node drive strength and slew
rate")'.
To fix it as a workaround revert to working version and then investigate
at board level why drive strength from 12mA to 4mA and slew from fast to
slow is not working.
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
---
arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
index cd132abf6e00..7f6c87d4d77e 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
@@ -808,8 +808,8 @@ conf-tx {
pins = "MIO54", "MIO56", "MIO57", "MIO58", "MIO59",
"MIO60", "MIO61", "MIO62", "MIO63";
bias-disable;
- drive-strength = <4>;
- slew-rate = <SLEW_RATE_SLOW>;
+ drive-strength = <12>;
+ slew-rate = <SLEW_RATE_FAST>;
};
};
--
2.43.0
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 3/4] arm64: zynqmp: Describe ethernet controllers via aliases on SOM
2025-09-02 7:56 [PATCH 0/4] arm64: zynqmp: Minor DT changes Michal Simek
2025-09-02 7:56 ` [PATCH 1/4] arm64: zynqmp: Disable coresight by default Michal Simek
2025-09-02 7:56 ` [PATCH 2/4] arm64: zynqmp: Revert usb node drive strength and slew rate for zcu106 Michal Simek
@ 2025-09-02 7:56 ` Michal Simek
2025-09-02 7:56 ` [PATCH 4/4] arm64: zynqmp: Enable DP in kr260/kv260 revA Michal Simek
2025-09-12 11:02 ` [PATCH 0/4] arm64: zynqmp: Minor DT changes Michal Simek
4 siblings, 0 replies; 6+ messages in thread
From: Michal Simek @ 2025-09-02 7:56 UTC (permalink / raw)
To: linux-kernel, monstr, michal.simek, git
Cc: Conor Dooley, Krzysztof Kozlowski, Rob Herring,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
moderated list:ARM/ZYNQ ARCHITECTURE
Add ethernet aliases to CC (Carrier card) description to create a
connection which is used by U-BOOT (fdt_fixup_ethernet()) for updating
local-mac-address in DT.
On Kria SOM MAC address is read from i2c eeprom at start and based on it
environment variables are created. Without creating aliases U-Boot is not
able to inject local-mac-address DT property and OS won't get the same MAC
address unless another i2c read is happening in OS.
Also aliases are using string not phandle (because of dtso) that's why full
path has to be provided but that shouldn't be a big issue because location
of ethernet controller is fixed.
Signed-off-by: Michal Simek <michal.simek@amd.com>
---
arch/arm64/boot/dts/xilinx/zynqmp-sck-kr-g-revB.dtso | 5 +++++
arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso | 4 ++++
arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso | 4 ++++
3 files changed, 13 insertions(+)
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kr-g-revB.dtso b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kr-g-revB.dtso
index b7cda216b179..99ad220d13d6 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kr-g-revB.dtso
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kr-g-revB.dtso
@@ -20,6 +20,11 @@
"xlnx,zynqmp-sk-kr260", "xlnx,zynqmp";
model = "ZynqMP KR260 revB";
+ aliases {
+ ethernet0 = "/axi/ethernet@ff0b0000"; /* &gem0 */
+ ethernet1 = "/axi/ethernet@ff0c0000"; /* &gem1 */
+ };
+
ina260-u14 {
compatible = "iio-hwmon";
io-channels = <&u14 0>, <&u14 1>, <&u14 2>;
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso
index a98a888d1385..3c36eb52e968 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso
@@ -28,6 +28,10 @@
"xlnx,zynqmp-sk-kv260", "xlnx,zynqmp";
model = "ZynqMP KV260 revA";
+ aliases {
+ ethernet0 = "/axi/ethernet@ff0e0000"; /* &gem3 */
+ };
+
ina260-u14 {
compatible = "iio-hwmon";
io-channels = <&u14 0>, <&u14 1>, <&u14 2>;
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso
index 1d2b46d7949e..a4ae37ebaccf 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso
@@ -23,6 +23,10 @@
"xlnx,zynqmp-sk-kv260", "xlnx,zynqmp";
model = "ZynqMP KV260 revB";
+ aliases {
+ ethernet0 = "/axi/ethernet@ff0e0000"; /* &gem3 */
+ };
+
ina260-u14 {
compatible = "iio-hwmon";
io-channels = <&u14 0>, <&u14 1>, <&u14 2>;
--
2.43.0
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 4/4] arm64: zynqmp: Enable DP in kr260/kv260 revA
2025-09-02 7:56 [PATCH 0/4] arm64: zynqmp: Minor DT changes Michal Simek
` (2 preceding siblings ...)
2025-09-02 7:56 ` [PATCH 3/4] arm64: zynqmp: Describe ethernet controllers via aliases on SOM Michal Simek
@ 2025-09-02 7:56 ` Michal Simek
2025-09-12 11:02 ` [PATCH 0/4] arm64: zynqmp: Minor DT changes Michal Simek
4 siblings, 0 replies; 6+ messages in thread
From: Michal Simek @ 2025-09-02 7:56 UTC (permalink / raw)
To: linux-kernel, monstr, michal.simek, git
Cc: Conor Dooley, Krzysztof Kozlowski, Rob Herring,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
moderated list:ARM/ZYNQ ARCHITECTURE
Enable DP output in both CC (Carrier Cards).
Signed-off-by: Michal Simek <michal.simek@amd.com>
---
.../boot/dts/xilinx/zynqmp-sck-kr-g-revA.dtso | 17 +++++++++++++++++
.../boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso | 17 +++++++++++++++++
2 files changed, 34 insertions(+)
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kr-g-revA.dtso b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kr-g-revA.dtso
index fbacfa984d76..b92dcb86e87e 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kr-g-revA.dtso
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kr-g-revA.dtso
@@ -71,6 +71,17 @@ clk_25_1: si5332-4 { /* u17 - GEM3 */
#clock-cells = <0>;
clock-frequency = <25000000>;
};
+ dpcon {
+ compatible = "dp-connector";
+ label = "P11";
+ type = "full-size";
+
+ port {
+ dpcon_in: endpoint {
+ remote-endpoint = <&dpsub_dp_out>;
+ };
+ };
+ };
};
&i2c1 { /* I2C_SCK C26/C27 - MIO from SOM */
@@ -145,6 +156,12 @@ &zynqmp_dpsub {
assigned-clock-rates = <27000000>, <25000000>, <300000000>;
};
+&out_dp {
+ dpsub_dp_out: endpoint {
+ remote-endpoint = <&dpcon_in>;
+ };
+};
+
&zynqmp_dpdma {
status = "okay";
assigned-clock-rates = <600000000>;
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso
index 3c36eb52e968..d7351a17d3e8 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso
@@ -72,6 +72,17 @@ si5332_5: si5332-5 { /* u17 */
#clock-cells = <0>;
clock-frequency = <27000000>;
};
+ dpcon {
+ compatible = "dp-connector";
+ label = "P11";
+ type = "full-size";
+
+ port {
+ dpcon_in: endpoint {
+ remote-endpoint = <&dpsub_dp_out>;
+ };
+ };
+ };
};
&i2c1 { /* I2C_SCK C23/C24 - MIO from SOM */
@@ -122,6 +133,12 @@ &zynqmp_dpsub {
assigned-clock-rates = <27000000>, <25000000>, <300000000>;
};
+&out_dp {
+ dpsub_dp_out: endpoint {
+ remote-endpoint = <&dpcon_in>;
+ };
+};
+
&zynqmp_dpdma {
status = "okay";
assigned-clock-rates = <600000000>;
--
2.43.0
^ permalink raw reply related [flat|nested] 6+ messages in thread* Re: [PATCH 0/4] arm64: zynqmp: Minor DT changes
2025-09-02 7:56 [PATCH 0/4] arm64: zynqmp: Minor DT changes Michal Simek
` (3 preceding siblings ...)
2025-09-02 7:56 ` [PATCH 4/4] arm64: zynqmp: Enable DP in kr260/kv260 revA Michal Simek
@ 2025-09-12 11:02 ` Michal Simek
4 siblings, 0 replies; 6+ messages in thread
From: Michal Simek @ 2025-09-12 11:02 UTC (permalink / raw)
To: linux-kernel, monstr, michal.simek, git
Cc: Conor Dooley, Krzysztof Kozlowski, Rob Herring,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
moderated list:ARM/ZYNQ ARCHITECTURE
On 9/2/25 09:56, Michal Simek wrote:
> Hi,
>
> sending some small amount of patches to get in sync with U-Boot DTs
> to be able to switch U-Boot to OF_UPSTREAM.
> The next step is going to be to add missing boards to Linux.
>
> Thanks,
> Michal
>
>
> Michal Simek (2):
> arm64: zynqmp: Describe ethernet controllers via aliases on SOM
> arm64: zynqmp: Enable DP in kr260/kv260 revA
>
> Quanyang Wang (1):
> arm64: zynqmp: Disable coresight by default
>
> Radhey Shyam Pandey (1):
> arm64: zynqmp: Revert usb node drive strength and slew rate for zcu106
>
> .../boot/dts/xilinx/zynqmp-sck-kr-g-revA.dtso | 17 +++++++++++++++
> .../boot/dts/xilinx/zynqmp-sck-kr-g-revB.dtso | 5 +++++
> .../boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso | 21 +++++++++++++++++++
> .../boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso | 4 ++++
> .../boot/dts/xilinx/zynqmp-zcu106-revA.dts | 4 ++--
> arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 4 ++++
> 6 files changed, 53 insertions(+), 2 deletions(-)
>
Applied.
M
^ permalink raw reply [flat|nested] 6+ messages in thread