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arm64: dts: qcom: pmk8550: add reboot-mode node using sdam_2 nvmem

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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@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tested-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230503-topic-sm8450-upstream-reboot-reason-v1-2-c5ac3dd5b49f@linaro.org
This commit is contained in:
Neil Armstrong
2023-05-03 16:13:29 +02:00
committed by Bjorn Andersson
parent 399a3c34b3
commit 138c427ade
1 changed files with 23 additions and 0 deletions
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23
arch/arm64/boot/dts/qcom/pmk8550.dtsi
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@@ -8,6 +8,16 @@
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/spmi/spmi.h>
/ {
reboot-mode {
compatible = "nvmem-reboot-mode";
nvmem-cells = <&reboot_reason>;
nvmem-cell-names = "reboot-mode";
mode-recovery = <0x01>;
mode-bootloader = <0x02>;
};
};
&spmi_bus {
pmk8550: pmic@0 {
compatible = "qcom,pm8550", "qcom,spmi-pmic";
@@ -42,6 +52,19 @@
status = "disabled";
};
pmk8550_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>;
};
};
pmk8550_gpios: gpio@8800 {
compatible = "qcom,pmk8550-gpio", "qcom,spmi-gpio";
reg = <0xb800>;