arm64: dts: qcom: x1e80100-crd: Add charge limit nvmem

Add nvmem cells for getting charge control thresholds if they have
been set previously.

Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on Thinkpad T14S OLED
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Fenglin Wu <fenglin.wu@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250919-qcom_battmgr_update_new-v6-1-ed5c38867614@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/hamoa-pmics.dtsi b/arch/arm64/boot/dts/qcom/hamoa-pmics.dtsi
index 621890ada1536d4baa3f4828d18b7508ade76986..6a31a0adf8be472badea502a916cdbc9477e9f2b 100644 (file)
--- a/arch/arm64/boot/dts/qcom/hamoa-pmics.dtsi
+++ b/arch/arm64/boot/dts/qcom/hamoa-pmics.dtsi
@@ -240,6 +240,26 @@
                        };
                };
 
+               pmk8550_sdam_15: nvram@7e00 {
+                       compatible = "qcom,spmi-sdam";
+                       reg = <0x7e00>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       ranges = <0 0x7e00 0x100>;
+
+                       charge_limit_en: charge-limit-en@73 {
+                               reg = <0x73 0x1>;
+                       };
+
+                       charge_limit_end: charge-limit-end@75 {
+                               reg = <0x75 0x1>;
+                       };
+
+                       charge_limit_delta: charge-limit-delta@76 {
+                               reg = <0x76 0x1>;
+                       };
+               };
+
                pmk8550_gpios: gpio@8800 {
                        compatible = "qcom,pmk8550-gpio", "qcom,spmi-gpio";
                        reg = <0xb800>;

diff --git a/arch/arm64/boot/dts/qcom/x1-crd.dtsi b/arch/arm64/boot/dts/qcom/x1-crd.dtsi
index 5e324f35547a4c803af51e64328b6fb72b4bf7e9..ded96fb43489b9e11ede25e8f6f809a18234977e 100644 (file)
--- a/arch/arm64/boot/dts/qcom/x1-crd.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1-crd.dtsi
@@ -82,6 +82,13 @@
                                    <&tlmm 123 GPIO_ACTIVE_HIGH>,
                                    <&tlmm 125 GPIO_ACTIVE_HIGH>;
 
+               nvmem-cells = <&charge_limit_en>,
+                             <&charge_limit_end>,
+                             <&charge_limit_delta>;
+               nvmem-cell-names = "charge_limit_en",
+                                  "charge_limit_end",
+                                  "charge_limit_delta";
+
                /* Left-side rear port */
                connector@0 {
                        compatible = "usb-c-connector";