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authorEvgeny Boger <boger@wirenboard.com>2021-11-22 13:46:16 +0300
committerMarc Kleine-Budde <mkl@pengutronix.de>2021-12-08 10:12:59 +0100
commit671f852c1bee9bd7138a5c4ad2c88d379cd0a6cb (patch)
tree67153070cd8f67348f769724dbd696d4845d193a /arch/arm/boot/dts/sun8i-r40.dtsi
parent2c2fd0e68d9e1832d7661f434ee7ddd77bf1b985 (diff)
ARM: dts: sun8i: r40: add node for CAN controller
Allwinner R40 (also known as A40i, T3, V40) has a CAN controller. The controller is the same as in earlier A10 and A20 SoCs, but needs reset line to be deasserted before use. This patch adds a CAN node and the corresponding pinctrl descriptions. Link: https://lore.kernel.org/all/20211122104616.537156-4-boger@wirenboard.com Signed-off-by: Evgeny Boger <boger@wirenboard.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'arch/arm/boot/dts/sun8i-r40.dtsi')
-rw-r--r--arch/arm/boot/dts/sun8i-r40.dtsi19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index 1d87fc0c24ee..c99c92f008a0 100644
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -511,6 +511,16 @@
#interrupt-cells = <3>;
#gpio-cells = <3>;
+ can_ph_pins: can-ph-pins {
+ pins = "PH20", "PH21";
+ function = "can";
+ };
+
+ can_pa_pins: can-pa-pins {
+ pins = "PA16", "PA17";
+ function = "can";
+ };
+
clk_out_a_pin: clk-out-a-pin {
pins = "PI12";
function = "clk_out_a";
@@ -926,6 +936,15 @@
#size-cells = <0>;
};
+ can0: can@1c2bc00 {
+ compatible = "allwinner,sun8i-r40-can";
+ reg = <0x01c2bc00 0x400>;
+ interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_BUS_CAN>;
+ resets = <&ccu RST_BUS_CAN>;
+ status = "disabled";
+ };
+
i2c4: i2c@1c2c000 {
compatible = "allwinner,sun6i-a31-i2c";
reg = <0x01c2c000 0x400>;