* [PATCH v1] riscv: dts: microchip: can on mpfs requires resets to function correctly
@ 2025-11-17 16:40 Conor Dooley
0 siblings, 0 replies; only message in thread
From: Conor Dooley @ 2025-11-17 16:40 UTC (permalink / raw)
To: linux-kernel
Cc: conor, Conor Dooley, Daire McNamara, Rob Herring,
Krzysztof Kozlowski, linux-riscv, devicetree
From: Conor Dooley <conor.dooley@microchip.com>
The can driver must use resets during normal driver operation, and will
not function correctly without them. Add them to the devicetree for
mpfs.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
CC: Conor Dooley <conor.dooley@microchip.com>
CC: Daire McNamara <daire.mcnamara@microchip.com>
CC: Rob Herring <robh@kernel.org>
CC: Krzysztof Kozlowski <krzk+dt@kernel.org>
CC: linux-riscv@lists.infradead.org
CC: devicetree@vger.kernel.org
linux-kernel@vger.kernel.org
arch/riscv/boot/dts/microchip/mpfs.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/riscv/boot/dts/microchip/mpfs.dtsi b/arch/riscv/boot/dts/microchip/mpfs.dtsi
index 0fb94581b6cb..015f1daf5f61 100644
--- a/arch/riscv/boot/dts/microchip/mpfs.dtsi
+++ b/arch/riscv/boot/dts/microchip/mpfs.dtsi
@@ -444,6 +444,7 @@ can0: can@2010c000 {
clocks = <&clkcfg CLK_CAN0>, <&clkcfg CLK_MSSPLL3>;
interrupt-parent = <&plic>;
interrupts = <56>;
+ resets = <&mss_top_sysreg CLK_CAN0>;
status = "disabled";
};
@@ -453,6 +454,7 @@ can1: can@2010d000 {
clocks = <&clkcfg CLK_CAN1>, <&clkcfg CLK_MSSPLL3>;
interrupt-parent = <&plic>;
interrupts = <57>;
+ resets = <&mss_top_sysreg CLK_CAN1>;
status = "disabled";
};
--
2.51.0
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2025-11-17 16:40 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-11-17 16:40 [PATCH v1] riscv: dts: microchip: can on mpfs requires resets to function correctly Conor Dooley
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).