Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

feat: add rk3308-spi1-mcp2515-8mhz #393

Merged
merged 2 commits into from
Feb 6, 2025
Merged

feat: add rk3308-spi1-mcp2515-8mhz #393

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
1a6cda8
fix: mcp2515: change all clock-frequency to 8000000
CodeChenL Feb 6, 2025
e42d8b2
feat: add rk3308-spi1-mcp2515-8mhz
CodeChenL Feb 6, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions arch/arm64/boot/dts/rockchip/overlays/Makefile
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,7 @@ dtb-$(CONFIG_CLK_RK3308) += \
rk3308-spi0-spidev.dtbo \
rk3308-spi1-m1-spidev.dtbo \
rk3308-spi1-spidev.dtbo \
rk3308-spi2-mcp2515-8mhz.dtbo \
rk3308-spi2-spidev.dtbo \
rk3308-uart0.dtbo \
rk3308-uart1-full.dtbo \
Expand Down
64 changes: 64 additions & 0 deletions arch/arm64/boot/dts/rockchip/overlays/rk3308-spi2-mcp2515-8mhz.dts
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,64 @@
/dts-v1/;
/plugin/;

#include <dt-bindings/pinctrl/rockchip.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
metadata {
title = "Enable MCP2515 with 8MHz external clock on SPI2";
compatible = "radxa,rock-s0";
category = "misc";
exclusive = "GPIO1_C6", "GPIO1_C7", "GPIO1_D0", "GPIO1_D1", "GPIO2_B3", "spi2", "uart1", "uart2";
description = "Provide support for Microchip MCP2515 SPI CAN controller.
Assumes 8MHz external clock.
Uses Pin 22 (GPIO2_B3) for INT.";
};
};

&pinctrl {
mcp2515_int_pins {
mcp2515_int_pins: mcp2515_int_pin {
rockchip,pins = <2 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
};

&{/} {
can_mcp2515_osc: can-mcp2515-osc {
compatible = "fixed-clock";
clock-frequency = <8000000>;
#clock-cells = <0>;
};
};

&spi2 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&spi2_clk &spi2_csn0 &spi2_miso &spi2_mosi>;
#address-cells = <1>;
#size-cells = <0>;
max-freq = <10000000>;

can_mcp2515: can-mcp2515@0 {
status = "okay";
compatible = "microchip,mcp2515";
reg = <0>;
interrupt-parent = <&gpio2>;
interrupts = <RK_PB3 IRQ_TYPE_EDGE_FALLING>;
spi-max-frequency = <10000000>;
clocks = <&can_mcp2515_osc>;
vdd-supply = <&vcc_io>;
xceiver-supply = <&vcc_io>;
pinctrl-names = "default";
pinctrl-0 = <&mcp2515_int_pins>;
};
};

&uart1 {
status = "disabled";
};

&uart2 {
status = "disabled";
};
2 changes: 1 addition & 1 deletion arch/arm64/boot/dts/rockchip/overlays/rk3399-spi1-mcp2515-8mhz.dts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@ Uses Pin 22 (GPIO4_D5) for INT.";
&{/} {
can_mcp2515_osc: can-mcp2515-osc {
compatible = "fixed-clock";
clock-frequency = <12000000>;
clock-frequency = <8000000>;
#clock-cells = <0>;
};
};
Expand Down
2 changes: 1 addition & 1 deletion arch/arm64/boot/dts/rockchip/overlays/rk3528-spi0-cs1-mcp2515.dts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ INT=15";
&{/} {
can_mcp2515_osc: can-mcp2515-osc {
compatible = "fixed-clock";
clock-frequency = <12000000>;
clock-frequency = <8000000>;
#clock-cells = <0>;
};
};
Expand Down
2 changes: 1 addition & 1 deletion arch/arm64/boot/dts/rockchip/overlays/rk3568-spi3-m0-cs0-mcp2515.dts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ INT=26";
&{/} {
can_mcp2515_osc: can-mcp2515-osc {
compatible = "fixed-clock";
clock-frequency = <12000000>;
clock-frequency = <8000000>;
#clock-cells = <0>;
};
};
Expand Down
2 changes: 1 addition & 1 deletion arch/arm64/boot/dts/rockchip/overlays/rk3568-spi3-m1-cs0-mcp2515-gpio4_d1.dts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ INT=26";
&{/} {
can_mcp2515_osc: can-mcp2515-osc {
compatible = "fixed-clock";
clock-frequency = <12000000>;
clock-frequency = <8000000>;
#clock-cells = <0>;
};
};
Expand Down
2 changes: 1 addition & 1 deletion arch/arm64/boot/dts/rockchip/overlays/rk3568-spi3-m1-cs0-mcp2515.dts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ INT=22";
&{/} {
can_mcp2515_osc: can-mcp2515-osc {
compatible = "fixed-clock";
clock-frequency = <12000000>;
clock-frequency = <8000000>;
#clock-cells = <0>;
};
};
Expand Down