The board level reset on systems using the RTL9302 can be driven via the
switch. Use a syscon-reboot node to represent this.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
---

Notes:
    Changes in v9:
    - None
    Changes in v8:
    - None
    Changes in v7:
    - None
    Changes in v6:
    - Drop wildcard compatible
    Changes in v5:
    - Krzysztof did technically give a r-by on v4 but given the changes to
      the rest of the series I haven't included it.
    - Use reg instead of offset
    - Add a rtl9302c.dtsi for the specific chip which pulls in the generic
      rtl930x.dtsi and updates a few of the compatibles on the way through.
    - Update Cameo board to use rtl9302c.dtsi
    Changes in v4:
    - None
    Changes in v3:
    - None
    Changes in v2:
    - drop redundant status = "okay"

 .../dts/realtek/cameo-rtl9302c-2x-rtl8224-2xge.dts  |  2 +-
 arch/mips/boot/dts/realtek/rtl9302c.dtsi            |  7 +++++++
 arch/mips/boot/dts/realtek/rtl930x.dtsi             | 13 +++++++++++++
 3 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 arch/mips/boot/dts/realtek/rtl9302c.dtsi

diff --git a/arch/mips/boot/dts/realtek/cameo-rtl9302c-2x-rtl8224-2xge.dts b/arch/mips/boot/dts/realtek/cameo-rtl9302c-2x-rtl8224-2xge.dts
index 77d2566545f2..6789bf374044 100644
--- a/arch/mips/boot/dts/realtek/cameo-rtl9302c-2x-rtl8224-2xge.dts
+++ b/arch/mips/boot/dts/realtek/cameo-rtl9302c-2x-rtl8224-2xge.dts
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /dts-v1/;
 
-#include "rtl930x.dtsi"
+#include "rtl9302c.dtsi"
 
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/gpio/gpio.h>
diff --git a/arch/mips/boot/dts/realtek/rtl9302c.dtsi b/arch/mips/boot/dts/realtek/rtl9302c.dtsi
new file mode 100644
index 000000000000..ca4d347af8d3
--- /dev/null
+++ b/arch/mips/boot/dts/realtek/rtl9302c.dtsi
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
+
+#include "rtl930x.dtsi"
+
+&switch0 {
+	compatible = "realtek,rtl9302c-switch", "syscon", "simple-mfd";
+};
diff --git a/arch/mips/boot/dts/realtek/rtl930x.dtsi b/arch/mips/boot/dts/realtek/rtl930x.dtsi
index f271940f82be..7477fae34987 100644
--- a/arch/mips/boot/dts/realtek/rtl930x.dtsi
+++ b/arch/mips/boot/dts/realtek/rtl930x.dtsi
@@ -29,6 +29,19 @@ lx_clk: clock-175mhz {
 		#clock-cells = <0>;
 		clock-frequency  = <175000000>;
 	};
+
+	switch0: switch@1b000000 {
+		compatible = "realtek,rtl9301-switch", "syscon", "simple-mfd";
+		reg = <0x1b000000 0x10000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		reboot@c {
+			compatible = "syscon-reboot";
+			reg = <0x0c 0x4>;
+			value = <0x01>;
+		};
+	};
 };
 
 &soc {
-- 
2.47.0

On Wed, Nov 06, 2024 at 01:18:33PM +1300, Chris Packham wrote:
> The board level reset on systems using the RTL9302 can be driven via the
> switch. Use a syscon-reboot node to represent this.
> 
> Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
> ---
> 
> Notes:
>     Changes in v9:
>     - None
>     Changes in v8:
>     - None
>     Changes in v7:
>     - None
>     Changes in v6:
>     - Drop wildcard compatible
>     Changes in v5:
>     - Krzysztof did technically give a r-by on v4 but given the changes to
>       the rest of the series I haven't included it.
>     - Use reg instead of offset
>     - Add a rtl9302c.dtsi for the specific chip which pulls in the generic
>       rtl930x.dtsi and updates a few of the compatibles on the way through.
>     - Update Cameo board to use rtl9302c.dtsi
>     Changes in v4:
>     - None
>     Changes in v3:
>     - None
>     Changes in v2:
>     - drop redundant status = "okay"
> 
>  .../dts/realtek/cameo-rtl9302c-2x-rtl8224-2xge.dts  |  2 +-
>  arch/mips/boot/dts/realtek/rtl9302c.dtsi            |  7 +++++++
>  arch/mips/boot/dts/realtek/rtl930x.dtsi             | 13 +++++++++++++
>  3 files changed, 21 insertions(+), 1 deletion(-)
>  create mode 100644 arch/mips/boot/dts/realtek/rtl9302c.dtsi

applied to mips-next.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]