Message ID | 20220203170636.7747-4-biju.das.jz@bp.renesas.com (mailing list archive) |
---|---|
State | Mainlined |
Commit | fa00d6dc19283bee13f0390546f741293f6d2d9a |
Delegated to: | Geert Uytterhoeven |
Headers | show |
Series | Add SCIF1/CANFD support | expand |
On Thu, Feb 3, 2022 at 6:06 PM Biju Das <biju.das.jz@bp.renesas.com> wrote: > SCIF1 interface is available on PMOD1 connector (CN7) on carrier board. > > This patch adds pinmux and scif1 node to carrier board dtsi file for > RZ/G2LC SMARC EVK. > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> > Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> i.e. will queue in renesas-devel for v5.18. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi index 1032f6563515..ec9e08ec0822 100644 --- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi @@ -17,6 +17,13 @@ <RZG2L_PORT_PINMUX(38, 1, 1)>; /* RxD */ }; + scif1_pins: scif1 { + pinmux = <RZG2L_PORT_PINMUX(40, 0, 1)>, /* TxD */ + <RZG2L_PORT_PINMUX(40, 1, 1)>, /* RxD */ + <RZG2L_PORT_PINMUX(41, 0, 1)>, /* CTS# */ + <RZG2L_PORT_PINMUX(41, 1, 1)>; /* RTS# */ + }; + sd1-pwr-en-hog { gpio-hog; gpios = <RZG2L_GPIO(39, 2) GPIO_ACTIVE_HIGH>; diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi index ca5ca7ce6692..1b59ef376296 100644 --- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi @@ -34,3 +34,29 @@ #include "rzg2lc-smarc-som.dtsi" #include "rzg2lc-smarc-pinfunction.dtsi" #include "rz-smarc-common.dtsi" + +/* comment the #define statement to disable SCIF1 (SER0) on PMOD1 (CN7) */ +#define PMOD1_SER0 1 + +/ { + aliases { + serial1 = &scif1; + }; +}; + +/* + * To enable SCIF1 (SER0) on PMOD1 (CN7), On connector board + * SW1 should be at position 2->3 so that SER0_CTS# line is activated + * SW2 should be at position 2->3 so that SER0_TX line is activated + * SW3 should be at position 2->3 so that SER0_RX line is activated + * SW4 should be at position 2->3 so that SER0_RTS# line is activated + */ +#if (!SW_SCIF_CAN && PMOD1_SER0) +&scif1 { + pinctrl-0 = <&scif1_pins>; + pinctrl-names = "default"; + + uart-has-rtscts; + status = "okay"; +}; +#endif