Thread (4 messages) flat view 4 messages, 4 authors, 2021-12-15

Re: [PATCH v2] arm64: dts: mt8183: kukui: Add Type C node

From: Alexandru M Stan <hidden>
Date: 2021-12-09 22:50:39
Also in: linux-devicetree, linux-mediatek, lkml

On Thu, Dec 9, 2021 at 11:51 AM Prashant Malani [off-list ref] wrote:
quoted hunk ↗ jump to hunk
Add a node describing the USB Type C connector, in order to utilize the
Chromium OS USB Type-C driver that enumerates Type-C ports and connected
cables/peripherals and makes them visible to userspace.

Cc: Alexandru M Stan <redacted>
Cc: Benson Leung <bleung@chromium.org>
Signed-off-by: Prashant Malani <redacted>
---

Changes in v2:
- Alexandru mentioned that HW specs suggest preferred power role for
  devices like kukui to be sink, so changed try-power-role to "sink".

 arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index 94c13c459194..0f9480f91261 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -886,6 +886,20 @@ usbc_extcon: extcon0 {
                cbas {
                        compatible = "google,cros-cbas";
                };
+
+               typec {
+                       compatible = "google,cros-ec-typec";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       usb_c0: connector@0 {
+                               compatible = "usb-c-connector";
+                               reg = <0>;
+                               power-role = "dual";
+                               data-role = "host";
+                               try-power-role = "sink";
+                       };
+               };
        };
 };

--
2.34.1.173.g76aa8bc2d0-goog
Thanks!

Reviewed-by: Alexandru M Stan <redacted>

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