arm64: dts: allwinner: a64: olinuxino: Add bank supply regulators

Started by Stefan Mavrodiev on Nov 29, 2019

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Stefan Mavrodiev

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Allwinner A64 SoC has separate supplies for PC, PD, PE, PG and PL. This
patch adds regulators for them to the pinctrl node.

Exception is PL which is used by the RSB bus. To avoid circular
dependencies, VCC-PL is omitted.

On boards with eMMC, VCC-PC is supplied by ELDO1, instead of DCDC1.

Signed-off-by: Stefan Mavrodiev <stefan@olimex.com>
---
 .../dts/allwinner/sun50i-a64-olinuxino-emmc.dts  |  4 ++++
 .../boot/dts/allwinner/sun50i-a64-olinuxino.dts  | 16 ++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino-emmc.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino-emmc.dts
index 7d135decbd53..75f101d9cd3e 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino-emmc.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino-emmc.dts
@@ -21,3 +21,7 @@
 	cap-mmc-hw-reset;
 	status = "okay";
 };
+
+&pio {
+	vcc-pc-supply = <&reg_eldo1>;
+};
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
index 01a9a52edae4..ad3559c576dd 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
@@ -163,6 +163,22 @@
 	status = "okay";
 };
 
+&pio {
+	vcc-pc-supply = <&reg_dcdc1>;
+	vcc-pd-supply = <&reg_dcdc1>;
+	vcc-pe-supply = <&reg_aldo1>;
+	vcc-pg-supply = <&reg_dldo4>;
+};
+
+&r_pio {
+	/**
+	 * Do not add vcc-pl-supply, since PL0 and PL1 are used
+	 * by the RSB bus.
+	 *
+	 * vcc-pl-supply = <&reg_aldo2>;
+	 */
+};
+
 &r_rsb {
 	status = "okay";
 
-- 
2.17.1


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