Re: [PATCH] arm64: dts: ls1028a: fix reboot node

From: Michael Walle
Date: Mon Dec 09 2019 - 04:02:08 EST


Am 2019-12-09 04:47, schrieb Shawn Guo:
On Sat, Nov 23, 2019 at 01:07:09AM +0100, Michael Walle wrote:
The reboot register isn't located inside the DCFG controller, but in its
own RST controller. Fix it.

Signed-off-by: Michael Walle <michael@xxxxxxxx>
---
arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
index 72b9a75976a1..dc75534a4754 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
@@ -102,7 +102,7 @@

reboot {
compatible ="syscon-reboot";
- regmap = <&dcfg>;
+ regmap = <&rst>;
offset = <0xb0>;
mask = <0x02>;
};
@@ -161,6 +161,12 @@
big-endian;
};

+ rst: syscon@1e60000 {
+ compatible = "fsl,ls1028a-rst", "syscon";

Compatible "fsl,ls1028a-rst" seems undocumented?

it is the same with fsl,ls1028a-scfg and fsl,ls1028a-dcfg. So maybe I should just drop the "fsl,ls1028a-rst". What do you think?

-michael


Shawn

+ reg = <0x0 0x1e60000 0x0 0x10000>;
+ little-endian;
+ };
+
scfg: syscon@1fc0000 {
compatible = "fsl,ls1028a-scfg", "syscon";
reg = <0x0 0x1fc0000 0x0 0x10000>;
--
2.20.1