diff options
Diffstat (limited to 'dts/src/arm64/renesas/rzg2lc-smarc.dtsi')
-rw-r--r-- | dts/src/arm64/renesas/rzg2lc-smarc.dtsi | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/dts/src/arm64/renesas/rzg2lc-smarc.dtsi b/dts/src/arm64/renesas/rzg2lc-smarc.dtsi new file mode 100644 index 0000000000..df7631fe5f --- /dev/null +++ b/dts/src/arm64/renesas/rzg2lc-smarc.dtsi @@ -0,0 +1,77 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Device Tree Source for the RZ/G2LC SMARC EVK parts + * + * Copyright (C) 2022 Renesas Electronics Corp. + */ + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/pinctrl/rzg2l-pinctrl.h> + +/* + * DIP-Switch SW1 setting on SoM + * 1 : High; 0: Low + * SW1-2 : SW_SD0_DEV_SEL (1: eMMC; 0: uSD) + * SW1-3 : SW_SCIF_CAN (1: CAN1; 0: SCIF1) + * SW1-4 : SW_RSPI_CAN (1: CAN1; 0: RSPI1) + * SW1-5 : SW_I2S0_I2S1 (1: I2S2 (HDMI audio); 0: I2S0) + * Please change below macros according to SW1 setting + */ + +#define SW_SD0_DEV_SEL 1 + +#define SW_SCIF_CAN 0 +#if (SW_SCIF_CAN) +/* Due to HW routing, SW_RSPI_CAN is always 0 when SW_SCIF_CAN is set to 1 */ +#define SW_RSPI_CAN 0 +#else +/* Please set SW_RSPI_CAN. Default value is 1 */ +#define SW_RSPI_CAN 1 +#endif + +#if (SW_SCIF_CAN & SW_RSPI_CAN) +#error "Can not set 1 to both SW_SCIF_CAN and SW_RSPI_CAN due to HW routing" +#endif + +#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; + }; +}; + +#if (SW_SCIF_CAN || SW_RSPI_CAN) +&canfd { + pinctrl-0 = <&can1_pins>; + /delete-node/ channel@0; +}; +#else +&canfd { + /delete-property/ pinctrl-0; + /delete-property/ pinctrl-names; + status = "disabled"; +}; +#endif + +/* + * 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 |