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authorBiju Das <biju.das.jz@bp.renesas.com>2023-03-21 14:47:53 +0300
committerGeert Uytterhoeven <geert+renesas@glider.be>2023-03-30 16:59:57 +0300
commit52a3554bdf9dbaff42b42f0e0360f456890894d9 (patch)
tree7d0540684f783fda99ba934ed348b9cc3209ba03 /arch/arm64/boot/dts/renesas
parentc21a1fc21727defdba1ad00e75c94bd497681dd3 (diff)
downloadlinux-52a3554bdf9dbaff42b42f0e0360f456890894d9.tar.xz
arm64: dts: renesas: r9a07g044: Enable SCI0 using DT overlay
Enable sci0 node using dt overlay and disable can{0,1}-stb-hog nodes in DT overlay as its pins are shared with sci0 pins. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20230321114753.75038-6-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch/arm64/boot/dts/renesas')
-rw-r--r--arch/arm64/boot/dts/renesas/Makefile1
-rw-r--r--arch/arm64/boot/dts/renesas/r9a07g043-smarc-pmod.dtso45
2 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index 23b10c03091c..d1f10ae85f9f 100644
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -76,6 +76,7 @@ dtb-$(CONFIG_ARCH_R8A77961) += r8a779m3-ulcb-kf.dtb
dtb-$(CONFIG_ARCH_R8A77965) += r8a779m5-salvator-xs.dtb
dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043u11-smarc.dtb
+dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043-smarc-pmod.dtbo
dtb-$(CONFIG_ARCH_R9A07G044) += r9a07g044c2-smarc.dtb
dtb-$(CONFIG_ARCH_R9A07G044) += r9a07g044l2-smarc.dtb
diff --git a/arch/arm64/boot/dts/renesas/r9a07g043-smarc-pmod.dtso b/arch/arm64/boot/dts/renesas/r9a07g043-smarc-pmod.dtso
new file mode 100644
index 000000000000..4edd103c7711
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r9a07g043-smarc-pmod.dtso
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the RZ/{G2UL, Five} SMARC EVK PMOD parts
+ *
+ * Copyright (C) 2023 Renesas Electronics Corp.
+ *
+ *
+ * [Connection]
+ *
+ * SMARC EVK
+ * +----------------------------+
+ * |CN7 (PMOD1 PIN HEADER) |
+ * | SCI0_TXD pin7 |
+ * | SCI0_RXD pin8 |
+ * | Gnd pin11 |
+ * | Vcc pin12 |
+ * +----------------------------+
+ *
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
+
+&pinctrl {
+ can0-stb-hog {
+ status = "disabled";
+ };
+
+ can1-stb-hog {
+ status = "disabled";
+ };
+
+ sci0_pins: sci0-pins {
+ pinmux = <RZG2L_PORT_PINMUX(2, 2, 5)>, /* TxD */
+ <RZG2L_PORT_PINMUX(2, 3, 5)>; /* RxD */
+ };
+};
+
+&sci0 {
+ pinctrl-0 = <&sci0_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};