arm64: dts: qcom: Add pm7250b PMIC

PM7250B is a PMIC primarily used for charging and fuel gauge but also
has some of the standard functionality like temp-alarm, adc, etc.

Add the .dtsi with some of the functionality added.

Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220902111055.106814-2-luca.weiss@fairphone.com

diff --git a/arch/arm64/boot/dts/qcom/pm7250b.dtsi b/arch/arm64/boot/dts/qcom/pm7250b.dtsi
new file mode 100644 (file)
index 0000000..61f7a63
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/pm7250b.dtsi
@@ -0,0 +1,149 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (C) 2022 Luca Weiss <luca.weiss@fairphone.com>
+ */
+
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/spmi/spmi.h>
+
+/ {
+       thermal-zones {
+               pm7250b-thermal {
+                       polling-delay-passive = <100>;
+                       polling-delay = <0>;
+
+                       thermal-sensors = <&pm7250b_temp>;
+
+                       trips {
+                               trip0 {
+                                       temperature = <95000>;
+                                       hysteresis = <0>;
+                                       type = "passive";
+                               };
+
+                               trip1 {
+                                       temperature = <115000>;
+                                       hysteresis = <0>;
+                                       type = "hot";
+                               };
+
+                               trip2 {
+                                       temperature = <145000>;
+                                       hysteresis = <0>;
+                                       type = "critical";
+                               };
+                       };
+               };
+       };
+};
+
+&spmi_bus {
+       pmic@2 {
+               compatible = "qcom,pm7250b", "qcom,spmi-pmic";
+               reg = <0x2 SPMI_USID>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               pm7250b_temp: temp-alarm@2400 {
+                       compatible = "qcom,spmi-temp-alarm";
+                       reg = <0x2400>;
+                       interrupts = <0x2 0x24 0x0 IRQ_TYPE_EDGE_BOTH>;
+                       io-channels = <&pm7250b_adc ADC5_DIE_TEMP>;
+                       io-channel-names = "thermal";
+                       #thermal-sensor-cells = <0>;
+               };
+
+               pm7250b_adc: adc@3100 {
+                       compatible = "qcom,spmi-adc5";
+                       reg = <0x3100>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       #io-channel-cells = <1>;
+                       interrupts = <0x2 0x31 0x0 IRQ_TYPE_EDGE_RISING>;
+
+                       adc-chan@0 {
+                               reg = <ADC5_REF_GND>;
+                               qcom,pre-scaling = <1 1>;
+                               label = "ref_gnd";
+                       };
+
+                       adc-chan@1 {
+                               reg = <ADC5_1P25VREF>;
+                               qcom,pre-scaling = <1 1>;
+                               label = "vref_1p25";
+                       };
+
+                       adc-chan@2 {
+                               reg = <ADC5_DIE_TEMP>;
+                               qcom,pre-scaling = <1 1>;
+                               label = "die_temp";
+                       };
+
+                       adc-chan@7 {
+                               reg = <ADC5_USB_IN_I>;
+                               qcom,pre-scaling = <1 1>;
+                               label = "usb_in_i_uv";
+                       };
+
+                       adc-chan@8 {
+                               reg = <ADC5_USB_IN_V_16>;
+                               qcom,pre-scaling = <1 16>;
+                               label = "usb_in_v_div_16";
+                       };
+
+                       adc-chan@9 {
+                               reg = <ADC5_CHG_TEMP>;
+                               qcom,pre-scaling = <1 1>;
+                               label = "chg_temp";
+                       };
+
+                       adc-chan@e {
+                               reg = <ADC5_AMUX_THM2>;
+                               qcom,hw-settle-time = <200>;
+                               qcom,pre-scaling = <1 1>;
+                               label = "smb1390_therm";
+                       };
+
+                       adc-chan@1e {
+                               reg = <ADC5_MID_CHG_DIV6>;
+                               qcom,pre-scaling = <1 6>;
+                               label = "chg_mid";
+                       };
+
+                       adc-chan@83 {
+                               reg = <ADC5_VPH_PWR>;
+                               qcom,pre-scaling = <1 3>;
+                               label = "vph_pwr";
+                       };
+
+                       adc-chan@84 {
+                               reg = <ADC5_VBAT_SNS>;
+                               qcom,pre-scaling = <1 3>;
+                               label = "vbat_sns";
+                       };
+
+                       adc-chan@99 {
+                               reg = <ADC5_SBUx>;
+                               qcom,pre-scaling = <1 3>;
+                               label = "chg_sbux";
+                       };
+               };
+
+               pm7250b_adc_tm: adc-tm@3500 {
+                       compatible = "qcom,spmi-adc-tm5";
+                       reg = <0x3500>;
+                       interrupts = <0x2 0x35 0x0 IRQ_TYPE_EDGE_RISING>;
+                       #thermal-sensor-cells = <1>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       status = "disabled";
+               };
+       };
+
+       pmic@3 {
+               compatible = "qcom,pm7250b", "qcom,spmi-pmic";
+               reg = <0x3 SPMI_USID>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+       };
+};