| Message ID | 20230727081848.100834-6-biju.das.jz@bp.renesas.com (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | e578a36320f92e88a46d6cd66458895d2d45d965 |
| Delegated to: | Geert Uytterhoeven |
| Headers | show |
| Series | Add RZ/G2UL MTU3a support | expand |
On Thu, Jul 27, 2023 at 10:19 AM Biju Das <biju.das.jz@bp.renesas.com> wrote: > Add support for PMOD_MTU3 macro to enable MTU3 node on RZ/G2UL SMARC > EVK. > > The MTU3a PWM pins on PMOD0 are muxed with SPI1. Disable SPI1, when > PMOD_MTU3 macro is enabled. > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> > --- > v2->v3: > * No change Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> i.e. will queue in renesas-devel for v6.6. Gr{oetje,eeting}s, Geert
diff --git a/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts b/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts index 01483b4302c2..8e0107df2d46 100644 --- a/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts +++ b/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts @@ -17,6 +17,17 @@ #define SW_SW0_DEV_SEL 1 #define SW_ET0_EN_N 1 +/* + * To enable MTU3a PWM on PMOD0, + * - Set DIP-Switch SW1-3 to On position. + * - Set PMOD_MTU3 macro to 1. + */ +#define PMOD_MTU3 0 + +#if (PMOD_MTU3 && !SW_ET0_EN_N) +#error "Cannot set as both PMOD_MTU3 and !SW_ET0_EN_N are mutually exclusive" +#endif + #include "r9a07g043u.dtsi" #include "rzg2ul-smarc-som.dtsi" #include "rzg2ul-smarc.dtsi" diff --git a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-pinfunction.dtsi b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-pinfunction.dtsi index 58923dc83faa..355694fe4af6 100644 --- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-pinfunction.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-pinfunction.dtsi @@ -50,6 +50,12 @@ i2c1_pins: i2c1 { input-enable; }; + mtu3_pins: mtu3 { + mtu2-pwm { + pinmux = <RZG2L_PORT_PINMUX(4, 0, 4)>; /* MTIOC2A */ + }; + }; + scif0_pins: scif0 { pinmux = <RZG2L_PORT_PINMUX(6, 4, 6)>, /* TxD */ <RZG2L_PORT_PINMUX(6, 3, 6)>; /* RxD */ diff --git a/arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi index 2a1331ed1a5c..8eb411aac80d 100644 --- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi @@ -28,6 +28,19 @@ wm8978: codec@1a { }; }; +#if PMOD_MTU3 +&mtu3 { + pinctrl-0 = <&mtu3_pins>; + pinctrl-names = "default"; + + status = "okay"; +}; + +&spi1 { + status = "disabled"; +}; +#endif + #if (SW_ET0_EN_N) &ssi1 { pinctrl-0 = <&ssi1_pins>;
Add support for PMOD_MTU3 macro to enable MTU3 node on RZ/G2UL SMARC EVK. The MTU3a PWM pins on PMOD0 are muxed with SPI1. Disable SPI1, when PMOD_MTU3 macro is enabled. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> --- v2->v3: * No change v1->v2: * No change. --- arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts | 11 +++++++++++ .../boot/dts/renesas/rzg2ul-smarc-pinfunction.dtsi | 6 ++++++ arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi | 13 +++++++++++++ 3 files changed, 30 insertions(+)