linuxdebug/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi

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2024-07-16 15:50:57 +02:00
// 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;
i2c2 = &i2c2;
};
};
#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
&cpu_dai {
sound-dai = <&ssi0>;
};
&i2c2 {
pinctrl-0 = <&i2c2_pins>;
pinctrl-names = "default";
clock-frequency = <400000>;
status = "okay";
wm8978: codec@1a {
compatible = "wlf,wm8978";
#sound-dai-cells = <0>;
reg = <0x1a>;
};
};
/*
* 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
&ssi0 {
pinctrl-0 = <&ssi0_pins>;
pinctrl-names = "default";
status = "okay";
};
#if (SW_RSPI_CAN)
&spi1 {
/delete-property/ pinctrl-0;
/delete-property/ pinctrl-names;
status = "disabled";
};
#endif
&vccq_sdhi1 {
gpios = <&pinctrl RZG2L_GPIO(39, 1) GPIO_ACTIVE_HIGH>;
};