[PATCH 7/9] arm64: dts: allwinner: pinebook: Add GPIO port regulators

Samuel Holland samuel at sholland.org
Sun Jan 19 08:31:02 PST 2020


Allwinner A64 SoC has separate supplies for PC, PD, PE, PG and PL.

VCC-PC and VCC-PG are supplied by ELDO1 at 1.8v.
VCC-PD is supplied by DCDC1 (VCC-IO) at 3.3v.
VCC-PE is supplied by ALDO1, and is unused.

VCC-PL creates a circular dependency, so it is omitted for now.

Signed-off-by: Samuel Holland <samuel at sholland.org>
---
 .../boot/dts/allwinner/sun50i-a64-pinebook.dts  | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
index 7c6a3d204dba..3e762f93671a 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
@@ -162,6 +162,13 @@
 	status = "okay";
 };
 
+&pio {
+	vcc-pc-supply = <&reg_eldo1>;
+	vcc-pd-supply = <&reg_dcdc1>;
+	vcc-pe-supply = <&reg_aldo1>;
+	vcc-pg-supply = <&reg_eldo1>;
+};
+
 &pwm {
 	status = "okay";
 };
@@ -174,6 +181,16 @@
 	status = "okay";
 };
 
+&r_pio {
+	/*
+	 * FIXME: We can't add that supply for now since it would
+	 * create a circular dependency between pinctrl, the regulator
+	 * and the RSB Bus.
+	 *
+	 * vcc-pl-supply = <&reg_aldo2>;
+	 */
+};
+
 &r_rsb {
 	status = "okay";
 
-- 
2.23.0




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