diff options
| author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2018-04-27 15:34:30 +0900 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2018-05-16 10:46:13 +0200 |
| commit | cd49f631dd7dc2dcd08a22c0f78197aa7970fe5d (patch) | |
| tree | 1038c296bb616068638f5eec6177d222948953ff /arch/arm64/boot/dts | |
| parent | 99b1eb0f62f90159da2c0ff7791f4db9f9c66f64 (diff) | |
arm64: dts: renesas: r8a7795: salvator-xs: enable usb2_phy3 node
This patch enables usb2_phy3 node for r8a7795 with Salvator-XS.
You must change the SW31 to OFF-OFF-ON-ON-ON-ON on the board.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm64/boot/dts')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r8a7795-salvator-xs.dts | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a7795-salvator-xs.dts b/arch/arm64/boot/dts/renesas/r8a7795-salvator-xs.dts index 83676684c6b4..622b2a22ab0f 100644 --- a/arch/arm64/boot/dts/renesas/r8a7795-salvator-xs.dts +++ b/arch/arm64/boot/dts/renesas/r8a7795-salvator-xs.dts @@ -145,6 +145,23 @@ groups = "usb2"; function = "usb2"; }; + + /* + * - On Salvator-X[S], GP6_3[01] are connected to ADV7482 as irq pins + * (when SW31 is the default setting on Salvator-XS). + * - If SW31 is the default setting, you cannot use USB2.0 ch3 on + * r8a7795 with Salvator-XS. + * Hence the SW31 setting must be changed like 2) below. + * 1) Default setting of SW31: ON-ON-OFF-OFF-OFF-OFF: + * - Connect GP6_3[01] to ADV7842. + * 2) Changed setting of SW31: OFF-OFF-ON-ON-ON-ON: + * - Connect GP6_3[01] to BD082065 (USB2.0 ch3's host power). + * - Connect GP6_{04,21} to ADV7842. + */ + usb2_ch3_pins: usb2_ch3 { + groups = "usb2_ch3"; + function = "usb2_ch3"; + }; }; &usb2_phy2 { @@ -153,3 +170,10 @@ status = "okay"; }; + +&usb2_phy3 { + pinctrl-0 = <&usb2_ch3_pins>; + pinctrl-names = "default"; + + status = "okay"; +}; |