From 138c427ade7bad3f4f764b506ce4f1079bfc22ee Mon Sep 17 00:00:00 2001 From: Neil Armstrong Date: Wed, 3 May 2023 16:13:29 +0200 Subject: [PATCH] arm64: dts: qcom: pmk8550: add reboot-mode node using sdam_2 nvmem 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 Reviewed-by: Krzysztof Kozlowski Tested-by: Krzysztof Kozlowski Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/20230503-topic-sm8450-upstream-reboot-reason-v1-2-c5ac3dd5b49f@linaro.org --- arch/arm64/boot/dts/qcom/pmk8550.dtsi | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/pmk8550.dtsi b/arch/arm64/boot/dts/qcom/pmk8550.dtsi index 201efeda7d2d..8c897d4fee29 100644 --- a/arch/arm64/boot/dts/qcom/pmk8550.dtsi +++ b/arch/arm64/boot/dts/qcom/pmk8550.dtsi @@ -8,6 +8,16 @@ #include #include +/ { + 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>; -- 2.11.0