On Thu, 24 Oct 2024 at 20:56, Paul Barker <paul.barker...@bp.renesas.com> wrote:
>
> On the RZ/G2L & RZ/V2L SMARC SOMs, the RGMII interface between the SoC
> and the Ethernet PHY operates at 1.8V.
>
> The power supply for this interface may be correctly configured in
> u-boot, but the kernel should not be relying on this. Now that the
> RZ/G2L pinctrl driver supports configuring the Ethernet power supply
> voltage, we can simply specify the desired voltage in the device tree.
>
> Signed-off-by: Paul Barker <paul.barker...@bp.renesas.com>
> Reviewed-by: Geert Uytterhoeven <geert+rene...@glider.be>
> Acked-by: Linus Walleij <linus.wall...@linaro.org>
> Link:
> https://lore.kernel.org/20240625200316.4282-8-paul.barker...@bp.renesas.com
> Signed-off-by: Geert Uytterhoeven <geert+rene...@glider.be>
>
> [ upstream commit: 96a3f525708120379013d9d3265663c07ceb38d5 ]
>
> (cherry picked from commit c535103b52a1edf50309dcbd1948d56520e84a1e)
> ---
> .../src/arm64/renesas/rzg2l-smarc-som.dtsi | 18 ++++++++++++++----
> 1 file changed, 14 insertions(+), 4 deletions(-)
>
Acked-by: Sumit Garg <sumit.g...@linaro.org>
-Sumit
> diff --git a/dts/upstream/src/arm64/renesas/rzg2l-smarc-som.dtsi
> b/dts/upstream/src/arm64/renesas/rzg2l-smarc-som.dtsi
> index 2b5e037ea9fa..83f5642d0d35 100644
> --- a/dts/upstream/src/arm64/renesas/rzg2l-smarc-som.dtsi
> +++ b/dts/upstream/src/arm64/renesas/rzg2l-smarc-som.dtsi
> @@ -182,6 +182,7 @@
> eth0_pins: eth0 {
> txc {
> pinmux = <RZG2L_PORT_PINMUX(20, 0, 1)>; /* ET0_TXC */
> + power-source = <1800>;
> output-enable;
> };
>
> @@ -199,14 +200,19 @@
> <RZG2L_PORT_PINMUX(25, 0, 1)>, /* ET0_RXD0 */
> <RZG2L_PORT_PINMUX(25, 1, 1)>, /* ET0_RXD1 */
> <RZG2L_PORT_PINMUX(26, 0, 1)>, /* ET0_RXD2 */
> - <RZG2L_PORT_PINMUX(26, 1, 1)>, /* ET0_RXD3 */
> - <RZG2L_PORT_PINMUX(1, 0, 1)>; /* IRQ2 */
> + <RZG2L_PORT_PINMUX(26, 1, 1)>; /* ET0_RXD3 */
> + power-source = <1800>;
> + };
> +
> + irq {
> + pinmux = <RZG2L_PORT_PINMUX(1, 0, 1)>; /* IRQ2 */
> };
> };
>
> eth1_pins: eth1 {
> txc {
> pinmux = <RZG2L_PORT_PINMUX(29, 0, 1)>; /* ET1_TXC */
> + power-source = <1800>;
> output-enable;
> };
>
> @@ -224,8 +230,12 @@
> <RZG2L_PORT_PINMUX(34, 1, 1)>, /* ET1_RXD0 */
> <RZG2L_PORT_PINMUX(35, 0, 1)>, /* ET1_RXD1 */
> <RZG2L_PORT_PINMUX(35, 1, 1)>, /* ET1_RXD2 */
> - <RZG2L_PORT_PINMUX(36, 0, 1)>, /* ET1_RXD3 */
> - <RZG2L_PORT_PINMUX(1, 1, 1)>; /* IRQ3 */
> + <RZG2L_PORT_PINMUX(36, 0, 1)>; /* ET1_RXD3 */
> + power-source = <1800>;
> + };
> +
> + irq {
> + pinmux = <RZG2L_PORT_PINMUX(1, 1, 1)>; /* IRQ3 */
> };
> };
>
> --
> 2.43.0
>
