aboutsummaryrefslogtreecommitdiffstatshomepage
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts22
-rw-r--r--arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi25
2 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts b/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts
index 7e1daaabce8a..1f5e61a73c35 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts
@@ -8,6 +8,8 @@
/dts-v1/;
/* Switch selection settings */
+#define SW_GPIO8_CAN0_STB 0
+#define SW_GPIO9_CAN1_STB 0
#define SW_LCD_EN 0
#define SW_PDM_EN 0
#define SW_SD0_DEV_SEL 0
@@ -42,16 +44,36 @@
#if (!SW_PDM_EN)
channel1 {
status = "okay";
+#if (!SW_LCD_EN) && (SW_GPIO9_CAN1_STB)
+ phys = <&can_transceiver1>;
+#endif
};
#endif
#if (!SW_LCD_EN)
channel4 {
status = "okay";
+#if (SW_GPIO8_CAN0_STB)
+ phys = <&can_transceiver0>;
+#endif
};
#endif
};
+#if (!SW_LCD_EN) && (SW_GPIO8_CAN0_STB)
+&can_transceiver0 {
+ standby-gpios = <&pinctrl RZG3E_GPIO(5, 4) GPIO_ACTIVE_HIGH>;
+ status = "okay";
+};
+#endif
+
+#if (!SW_LCD_EN) && (SW_GPIO9_CAN1_STB)
+&can_transceiver1 {
+ standby-gpios = <&pinctrl RZG3E_GPIO(5, 5) GPIO_ACTIVE_HIGH>;
+ status = "okay";
+};
+#endif
+
&pinctrl {
canfd_pins: canfd {
can1_pins: can1 {
diff --git a/arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi b/arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi
index 1d3a844174b3..afdc1940e24a 100644
--- a/arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi
+++ b/arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi
@@ -12,6 +12,17 @@
* SW_SDIO_M2E:
* 0 - SMARC SDIO signal is connected to uSD1
* 1 - SMARC SDIO signal is connected to M.2 Key E connector
+ *
+ * Please set the switch position SW_GPIO_CAN_PMOD on the carrier board and the
+ * corresponding macro SW_GPIO8_CAN0_STB/SW_GPIO8_CAN0_STB on the board DTS:
+ *
+ * SW_GPIO8_CAN0_STB:
+ * 0 - Connect to GPIO8 PMOD (default)
+ * 1 - Connect to CAN0 transceiver STB pin
+ *
+ * SW_GPIO9_CAN1_STB:
+ * 0 - Connect to GPIO9 PMOD (default)
+ * 1 - Connect to CAN1 transceiver STB pin
*/
/ {
@@ -27,6 +38,20 @@
serial3 = &scif0;
mmc1 = &sdhi1;
};
+
+ can_transceiver0: can-phy0 {
+ compatible = "ti,tcan1042";
+ #phy-cells = <0>;
+ max-bitrate = <8000000>;
+ status = "disabled";
+ };
+
+ can_transceiver1: can-phy1 {
+ compatible = "ti,tcan1042";
+ #phy-cells = <0>;
+ max-bitrate = <8000000>;
+ status = "disabled";
+ };
};
&canfd {