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Message-ID: <20250622034247.3985727-1-chou.cosmo@gmail.com>
Date: Sun, 22 Jun 2025 11:42:47 +0800
From: Cosmo Chou <chou.cosmo@...il.com>
To: robh@...nel.org,
krzk+dt@...nel.org,
conor+dt@...nel.org,
joel@....id.au,
andrew@...econstruct.com.au
Cc: devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-aspeed@...ts.ozlabs.org,
linux-kernel@...r.kernel.org,
chou.cosmo@...il.com,
cosmo.chou@...ntatw.com
Subject: [PATCH] ARM: dts: aspeed: bletchley: enable USB PD negotiation
- Enable USB Power Delivery with revision 2.0 for all sleds
- Configure dual power/data roles with sink preference
Signed-off-by: Cosmo Chou <chou.cosmo@...il.com>
---
.../aspeed/aspeed-bmc-facebook-bletchley.dts | 66 ++++++++++++-------
1 file changed, 42 insertions(+), 24 deletions(-)
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-bletchley.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-bletchley.dts
index 5be0e8fd2633..ad0051825a32 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-bletchley.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-bletchley.dts
@@ -398,10 +398,13 @@ sled1_fusb302: typec-portc@22 {
connector {
compatible = "usb-c-connector";
label = "USB-C";
- power-role = "source";
- data-role = "host";
- pd-disable;
- typec-power-opmode = "default";
+ pd-revision = /bits/ 8 <0x2 0x0 0x1 0x20>;
+ power-role = "dual";
+ try-power-role = "sink";
+ data-role = "dual";
+ source-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+ sink-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+ op-sink-microwatt = <10000000>;
};
};
@@ -484,10 +487,13 @@ sled2_fusb302: typec-portc@22 {
connector {
compatible = "usb-c-connector";
label = "USB-C";
- power-role = "source";
- data-role = "host";
- pd-disable;
- typec-power-opmode = "default";
+ pd-revision = /bits/ 8 <0x2 0x0 0x1 0x20>;
+ power-role = "dual";
+ try-power-role = "sink";
+ data-role = "dual";
+ source-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+ sink-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+ op-sink-microwatt = <10000000>;
};
};
@@ -570,10 +576,13 @@ sled3_fusb302: typec-portc@22 {
connector {
compatible = "usb-c-connector";
label = "USB-C";
- power-role = "source";
- data-role = "host";
- pd-disable;
- typec-power-opmode = "default";
+ pd-revision = /bits/ 8 <0x2 0x0 0x1 0x20>;
+ power-role = "dual";
+ try-power-role = "sink";
+ data-role = "dual";
+ source-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+ sink-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+ op-sink-microwatt = <10000000>;
};
};
@@ -656,10 +665,13 @@ sled4_fusb302: typec-portc@22 {
connector {
compatible = "usb-c-connector";
label = "USB-C";
- power-role = "source";
- data-role = "host";
- pd-disable;
- typec-power-opmode = "default";
+ pd-revision = /bits/ 8 <0x2 0x0 0x1 0x20>;
+ power-role = "dual";
+ try-power-role = "sink";
+ data-role = "dual";
+ source-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+ sink-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+ op-sink-microwatt = <10000000>;
};
};
@@ -742,10 +754,13 @@ sled5_fusb302: typec-portc@22 {
connector {
compatible = "usb-c-connector";
label = "USB-C";
- power-role = "source";
- data-role = "host";
- pd-disable;
- typec-power-opmode = "default";
+ pd-revision = /bits/ 8 <0x2 0x0 0x1 0x20>;
+ power-role = "dual";
+ try-power-role = "sink";
+ data-role = "dual";
+ source-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+ sink-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+ op-sink-microwatt = <10000000>;
};
};
@@ -828,10 +843,13 @@ sled6_fusb302: typec-portc@22 {
connector {
compatible = "usb-c-connector";
label = "USB-C";
- power-role = "source";
- data-role = "host";
- pd-disable;
- typec-power-opmode = "default";
+ pd-revision = /bits/ 8 <0x2 0x0 0x1 0x20>;
+ power-role = "dual";
+ try-power-role = "sink";
+ data-role = "dual";
+ source-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+ sink-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+ op-sink-microwatt = <10000000>;
};
};
--
2.43.0
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