[linux-sunxi] [PATCH 2/3] arm64: allwinner: a64: enable AXP803 for Banana Pi M64

[Icenowy Zheng]

Banana Pi M64 board uses an AXP803 PMIC.

Enable the PMIC and its regulators.

As we have now proper regulators support, missing or dummy regulators
are changed to the correct ones.

Signed-off-by: Icenowy Zheng <icen...@aosc.io>
---
 .../boot/dts/allwinner/sun50i-a64-bananapi-m64.dts | 116 +++++++++++++++++++--
 1 file changed, 106 insertions(+), 10 deletions(-)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts 
b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
index 829922d077fb..51d67c0a0edf 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
@@ -58,13 +58,6 @@
        chosen {
                stdout-path = "serial0:115200n8";
        };
-
-       reg_vcc3v3: vcc3v3 {
-               compatible = "regulator-fixed";
-               regulator-name = "vcc3v3";
-               regulator-min-microvolt = <3300000>;
-               regulator-max-microvolt = <3300000>;
-       };
 };
 
 &ehci1 {
@@ -76,6 +69,7 @@
        pinctrl-0 = <&rgmii_pins>;
        phy-mode = "rgmii";
        phy-handle = <&ext_rgmii_phy>;
+       phy-supply = <&reg_dc1sw>;
        status = "okay";
 };
 
@@ -99,7 +93,7 @@
 &mmc0 {
        pinctrl-names = "default";
        pinctrl-0 = <&mmc0_pins>;
-       vmmc-supply = <&reg_vcc3v3>;
+       vmmc-supply = <&reg_dcdc1>;
        cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;
        cd-inverted;
        disable-wp;
@@ -110,7 +104,8 @@
 &mmc1 {
        pinctrl-names = "default";
        pinctrl-0 = <&mmc1_pins>;
-       vmmc-supply = <&reg_vcc3v3>;
+       vmmc-supply = <&reg_dldo2>;
+       vqmmc-supply = <&reg_dldo4>;
        bus-width = <4>;
        non-removable;
        status = "okay";
@@ -119,7 +114,7 @@
 &mmc2 {
        pinctrl-names = "default";
        pinctrl-0 = <&mmc2_pins>;
-       vmmc-supply = <&reg_vcc3v3>;
+       vmmc-supply = <&reg_dcdc1>;
        bus-width = <8>;
        non-removable;
        cap-mmc-hw-reset;
@@ -130,6 +125,107 @@
        status = "okay";
 };
 
+&r_rsb {
+       status = "okay";
+
+       axp803: pmic@3a3 {
+               compatible = "x-powers,axp803";
+               reg = <0x3a3>;
+               interrupt-parent = <&r_intc>;
+               interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+       };
+};
+
+#include "axp803.dtsi"
+
+&reg_aldo2 {
+       regulator-always-on;
+       regulator-min-microvolt = <1800000>;
+       regulator-max-microvolt = <3300000>;
+       regulator-name = "vcc-pl";
+};
+
+&reg_aldo3 {
+       regulator-always-on;
+       regulator-min-microvolt = <3000000>;
+       regulator-max-microvolt = <3000000>;
+       regulator-name = "vcc-pll-avcc";
+};
+
+&reg_dc1sw {
+       regulator-name = "vcc-phy";
+};
+
+&reg_dcdc1 {
+       regulator-always-on;
+       regulator-min-microvolt = <3300000>;
+       regulator-max-microvolt = <3300000>;
+       regulator-name = "vcc-3v3";
+};
+
+&reg_dcdc2 {
+       regulator-always-on;
+       regulator-min-microvolt = <1000000>;
+       regulator-max-microvolt = <1300000>;
+       regulator-name = "vdd-cpux";
+};
+
+/* DCDC3 is polyphased with DCDC2 */
+
+&reg_dcdc5 {
+       regulator-always-on;
+       regulator-min-microvolt = <1500000>;
+       regulator-max-microvolt = <1500000>;
+       regulator-name = "vcc-dram";
+};
+
+&reg_dcdc6 {
+       regulator-always-on;
+       regulator-min-microvolt = <1100000>;
+       regulator-max-microvolt = <1100000>;
+       regulator-name = "vdd-sys";
+};
+
+&reg_dldo1 {
+       regulator-min-microvolt = <3300000>;
+       regulator-max-microvolt = <3300000>;
+       regulator-name = "vcc-hdmi-dsi";
+};
+
+&reg_dldo2 {
+       regulator-min-microvolt = <3300000>;
+       regulator-max-microvolt = <3300000>;
+       regulator-name = "vcc-wifi";
+};
+
+&reg_dldo4 {
+       regulator-min-microvolt = <1800000>;
+       regulator-max-microvolt = <3300000>;
+       regulator-name = "vcc-wifi-io";
+};
+
+&reg_eldo1 {
+       regulator-min-microvolt = <1800000>;
+       regulator-max-microvolt = <1800000>;
+       regulator-name = "cpvdd";
+};
+
+/*
+ * The A64 chip cannot work without this regulator off, although
+ * it seems to be only driving the AR100 core.
+ * Maybe we don't still know well about CPUs domain.
+ */
+&reg_fldo2 {
+       regulator-always-on;
+       regulator-min-microvolt = <1100000>;
+       regulator-max-microvolt = <1100000>;
+       regulator-name = "vdd-cpus";
+};
+
+&reg_rtc_ldo {
+       regulator-name = "vcc-rtc";
+};
+
 &uart0 {
        pinctrl-names = "default";
        pinctrl-0 = <&uart0_pins_a>;
-- 
2.13.0

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