[PATCH 1/2] arm64: dts: qcom: pmk8350: add reboot-mode node using sdam_2 nvmem

From: Neil Armstrong
Date: Wed May 03 2023 - 10:13:41 EST


Introduce sdam_2 node, which is to be used via nvmem for power on
reasons during reboot. Add supported PoN reasons supported via sdam_2
node.

Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/pmk8350.dtsi | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/pmk8350.dtsi b/arch/arm64/boot/dts/qcom/pmk8350.dtsi
index f26fb7d32faf..bc6297e7253e 100644
--- a/arch/arm64/boot/dts/qcom/pmk8350.dtsi
+++ b/arch/arm64/boot/dts/qcom/pmk8350.dtsi
@@ -13,6 +13,16 @@
#define PMK8350_SID 0
#endif

+/ {
+ reboot-mode {
+ compatible = "nvmem-reboot-mode";
+ nvmem-cells = <&reboot_reason>;
+ nvmem-cell-names = "reboot-mode";
+ mode-recovery = <0x01>;
+ mode-bootloader = <0x02>;
+ };
+};
+
&spmi_bus {
pmk8350: pmic@PMK8350_SID {
compatible = "qcom,pmk8350", "qcom,spmi-pmic";
@@ -66,6 +76,19 @@ pmk8350_rtc: rtc@6100 {
status = "disabled";
};

+ pmk8350_sdam_2: nvram@7100 {
+ compatible = "qcom,spmi-sdam";
+ reg = <0x7100>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x7100 0x100>;
+
+ reboot_reason: reboot-reason@48 {
+ reg = <0x48 0x1>;
+ bits = <1 7>;
+ };
+ };
+
pmk8350_gpios: gpio@b000 {
compatible = "qcom,pmk8350-gpio", "qcom,spmi-gpio";
reg = <0xb000>;

--
2.34.1