ARM: dts: sun9i: cubieboard4: Add AXP806 PMIC device node and regulators

The AXP806 PMIC is the secondary PMIC. It provides various supply
voltages for the SoC and other peripherals. The PMIC's interrupt
line is connected to NMI pin of the SoC.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts b/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts
index 910b29f..439847a 100644 (file)
--- a/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts
+++ b/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts
@@ -260,6 +260,118 @@
                };
        };
 
+       axp806: pmic@745 {
+               compatible = "x-powers,axp806";
+               reg = <0x745>;
+               interrupt-parent = <&nmi_intc>;
+               interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+               interrupt-controller;
+               #interrupt-cells = <1>;
+               bldoin-supply = <&reg_dcdce>;
+
+               regulators {
+                       reg_s_aldo1: aldo1 {
+                               regulator-always-on;
+                               regulator-min-microvolt = <3000000>;
+                               regulator-max-microvolt = <3000000>;
+                               regulator-name = "avcc";
+                       };
+
+                       aldo2 {
+                               /*
+                                * unused, but use a different name to
+                                * avoid name clash with axp809's aldo's
+                                */
+                               regulator-name = "s_aldo2";
+                       };
+
+                       aldo3 {
+                               /*
+                                * unused, but use a different name to
+                                * avoid name clash with axp809's aldo's
+                                */
+                               regulator-name = "s_aldo3";
+                       };
+
+                       reg_bldo1: bldo1 {
+                               regulator-always-on;
+                               regulator-min-microvolt = <1700000>;
+                               regulator-max-microvolt = <1900000>;
+                               regulator-name = "vcc18-efuse-adc-display-csi";
+                       };
+
+                       reg_bldo2: bldo2 {
+                               regulator-always-on;
+                               regulator-min-microvolt = <1700000>;
+                               regulator-max-microvolt = <1900000>;
+                               regulator-name =
+                                       "vdd18-drampll-vcc18-pll-cpvdd";
+                       };
+
+                       bldo3 {
+                               /* unused */
+                       };
+
+                       reg_bldo4: bldo4 {
+                               regulator-min-microvolt = <1100000>;
+                               regulator-max-microvolt = <1300000>;
+                               regulator-name = "vcc12-hsic";
+                       };
+
+                       reg_cldo1: cldo1 {
+                               /*
+                                * This was 3V in the original design, but
+                                * 3.3V is the recommended supply voltage
+                                * for the Ethernet PHY.
+                                */
+                               regulator-min-microvolt = <3300000>;
+                               regulator-max-microvolt = <3300000>;
+                               regulator-name = "vcc-gmac-phy";
+                       };
+
+                       reg_cldo2: cldo2 {
+                               regulator-min-microvolt = <2800000>;
+                               regulator-max-microvolt = <2800000>;
+                               regulator-name = "afvcc-cam";
+                       };
+
+                       reg_cldo3: cldo3 {
+                               regulator-min-microvolt = <3000000>;
+                               regulator-max-microvolt = <3000000>;
+                               regulator-name = "vcc-io-wifi-codec-io2";
+                       };
+
+                       reg_dcdca: dcdca {
+                               regulator-always-on;
+                               regulator-min-microvolt = <800000>;
+                               regulator-max-microvolt = <1100000>;
+                               regulator-name = "vdd-cpub";
+                       };
+
+                       reg_dcdcd: dcdcd {
+                               regulator-always-on;
+                               regulator-min-microvolt = <800000>;
+                               regulator-max-microvolt = <1100000>;
+                               regulator-name = "vdd-vpu";
+                       };
+
+                       reg_dcdce: dcdce {
+                               regulator-always-on;
+                               regulator-min-microvolt = <2100000>;
+                               regulator-max-microvolt = <2100000>;
+                               regulator-name = "vcc-bldo-codec-ldoin";
+                       };
+
+                       sw {
+                               /*
+                                * unused, but use a different name to
+                                * avoid name clash with axp809's sw
+                                */
+                               regulator-name = "s_sw";
+                       };
+               };
+       };
+
        ac100: codec@e89 {
                compatible = "x-powers,ac100";
                reg = <0xe89>;