[PATCH] arm64: dts: allwinner: sun55i: Complete AXP717A sub-functions
From: Chen-Yu Tsai <wens@kernel.org>
Date: 2025-09-13 17:35:15
Also in:
linux-devicetree, linux-sunxi, lkml
Subsystem:
arm/allwinner sunxi soc support, the rest · Maintainers:
Chen-Yu Tsai, Jernej Skrabec, Samuel Holland, Linus Torvalds
From: Chen-Yu Tsai <redacted> When the AXP717A PMIC is missing nodes for the sub-functions, the kernel complains about not found nodes. Add all the remaining nodes corresponding to the defined functions for the dev boards, which have publicly available schematics to base this change on. The battery charger on all of them are disabled. Also add an "iio-hwmon" node to express some of the ADC channels as hwmon sensors. Signed-off-by: Chen-Yu Tsai <redacted> --- .../dts/allwinner/sun55i-a527-cubie-a5e.dts | 21 +++++++++++++++++ .../dts/allwinner/sun55i-t527-avaota-a1.dts | 23 +++++++++++++++++++ .../dts/allwinner/sun55i-t527-orangepi-4a.dts | 23 +++++++++++++++++++ 3 files changed, 67 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts b/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts
index d3c12a0854b4..e333bbaf01d3 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts
+++ b/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts@@ -42,6 +42,12 @@ use-led { }; }; + iio-hwmon { + compatible = "iio-hwmon"; + io-channels = <&axp717_adc 3>, /* vsys_v */ + <&axp717_adc 4>; /* pmic_temp */ + }; + reg_vcc5v: vcc5v { /* board wide 5V supply from the USB-C connector */ compatible = "regulator-fixed";
@@ -171,6 +177,17 @@ axp717: pmic@34 { bldoin-supply = <®_vcc5v>; cldoin-supply = <®_vcc5v>; + axp717_adc: adc { + compatible = "x-powers,axp717-adc"; + #io-channel-cells = <1>; + }; + + battery-power { + compatible = "x-powers,axp717-battery-power-supply"; + /* charger mode design but has no battery terminal */ + status = "disabled"; + }; + regulators { /* Supplies the "little" cluster (1.4 GHz cores) */ reg_dcdc1: dcdc1 {
@@ -276,6 +293,10 @@ reg_cpusldo: cpusldo { regulator-name = "vdd-cpus"; }; }; + + usb-power { + compatible = "x-powers,axp717-usb-power-supply"; + }; }; axp323: pmic@36 {
diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
index 7e3d71505744..054d0357c139 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
+++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts@@ -28,6 +28,12 @@ ext_osc32k: ext-osc32k-clk { clock-output-names = "ext_osc32k"; }; + iio-hwmon { + compatible = "iio-hwmon"; + io-channels = <&axp717_adc 3>, /* vsys_v */ + <&axp717_adc 4>; /* pmic_temp */ + }; + reg_vcc12v: vcc12v { /* DC input jack */ compatible = "regulator-fixed";
@@ -171,6 +177,17 @@ axp717: pmic@35 { bldoin-supply = <®_vcc5v>; cldoin-supply = <®_vcc5v>; + axp717_adc: adc { + compatible = "x-powers,axp717-adc"; + #io-channel-cells = <1>; + }; + + battery-power { + compatible = "x-powers,axp717-battery-power-supply"; + /* no battery; output used for dcdc4 instead */ + status = "disabled"; + }; + regulators { /* Supplies the "little" cluster (1.4 GHz cores) */ reg_dcdc1: dcdc1 {
@@ -277,6 +294,12 @@ reg_cpusldo: cpusldo { regulator-name = "vdd-cpus"; }; }; + + usb-power { + compatible = "x-powers,axp717-usb-power-supply"; + /* 12V-5V buck converter can supply up to 5A */ + input-current-limit-microamp = <3250000>; + }; }; axp323: pmic@36 {
diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts
index 0a611caa5465..f71860db83d3 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts
+++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts@@ -41,6 +41,13 @@ led { }; }; + iio-hwmon { + compatible = "iio-hwmon"; + io-channels = <&axp717_adc 3>, /* vsys_v */ + <&axp717_adc 4>, /* pmic_temp */ + <&axp717_adc 7>; /* bkup_batt_v */ + }; + wifi_pwrseq: pwrseq { compatible = "mmc-pwrseq-simple"; reset-gpios = <&r_pio 1 1 GPIO_ACTIVE_LOW>; /* PM1 */
@@ -198,6 +205,17 @@ axp717: pmic@35 { bldoin-supply = <®_vcc5v>; cldoin-supply = <®_vcc5v>; + axp717_adc: adc { + compatible = "x-powers,axp717-adc"; + #io-channel-cells = <1>; + }; + + battery-power { + compatible = "x-powers,axp717-battery-power-supply"; + /* no battery; output used for dcdc4 instead */ + status = "disabled"; + }; + regulators { /* Supplies the "little" cluster (1.4 GHz cores) */ reg_dcdc1: dcdc1 {
@@ -312,6 +330,11 @@ reg_cpusldo: cpusldo { regulator-name = "vdd-cpus-usb-0v9"; }; }; + + usb-power { + compatible = "x-powers,axp717-usb-power-supply"; + input-current-limit-microamp = <3000000>; + }; }; axp323: pmic@36 {
--
2.39.5