aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/bcm27xx/patches-5.10/950-0385-mcp251xfd-add-overlay.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0385-mcp251xfd-add-overlay.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.10/950-0385-mcp251xfd-add-overlay.patch283
1 files changed, 283 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0385-mcp251xfd-add-overlay.patch b/target/linux/bcm27xx/patches-5.10/950-0385-mcp251xfd-add-overlay.patch
new file mode 100644
index 0000000000..8d5d1927fc
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0385-mcp251xfd-add-overlay.patch
@@ -0,0 +1,283 @@
+From 6a028ad5aed9e68280c9ccf6d4ca5370fcfdb4a2 Mon Sep 17 00:00:00 2001
+From: Marc Kleine-Budde <mkl@pengutronix.de>
+Date: Fri, 15 Nov 2019 00:54:07 +0100
+Subject: [PATCH] mcp251xfd: add overlay
+
+Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
+---
+ arch/arm/boot/dts/overlays/Makefile | 1 +
+ arch/arm/boot/dts/overlays/README | 22 ++
+ .../boot/dts/overlays/mcp251xfd-overlay.dts | 226 ++++++++++++++++++
+ 3 files changed, 249 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/mcp251xfd-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -108,6 +108,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ mcp23s17.dtbo \
+ mcp2515-can0.dtbo \
+ mcp2515-can1.dtbo \
++ mcp251xfd.dtbo \
+ mcp3008.dtbo \
+ mcp3202.dtbo \
+ mcp342x.dtbo \
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -1779,6 +1779,28 @@ Params: oscillator Clock fr
+ interrupt GPIO for interrupt signal
+
+
++Name: mcp251xfd
++Info: Configures the MCP251XFD CAN controller family
++ For devices on spi1 or spi2, the interfaces should be enabled
++ with one of the spi1-1/2/3cs and/or spi2-1/2/3cs overlays.
++Load: dtoverlay=mcp251xfd,<param>=<val>
++Params: spi<n>-<m> Configure device at spi<n>, cs<m>
++ (boolean, required)
++
++ oscillator Clock frequency for the CAN controller (Hz)
++
++ speed Maximum SPI frequence (Hz)
++
++ interrupt GPIO for interrupt signal
++
++ rx_interrupt GPIO for RX interrupt signal (nINT1) (optional)
++
++ xceiver_enable GPIO for CAN transceiver enable (optional)
++
++ xceiver_active_high specifiy if CAN transceiver enable pin is
++ active high (optional, default: active low)
++
++
+ Name: mcp3008
+ Info: Configures MCP3008 A/D converters
+ For devices on spi1 or spi2, the interfaces should be enabled
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/mcp251xfd-overlay.dts
+@@ -0,0 +1,226 @@
++// SPDX-License-Identifier: (GPL-2.0 OR MIT)
++
++/dts-v1/;
++/plugin/;
++
++#include <dt-bindings/gpio/gpio.h>
++#include <dt-bindings/interrupt-controller/irq.h>
++#include <dt-bindings/pinctrl/bcm2835.h>
++
++/ {
++ compatible = "brcm,bcm2835";
++
++ fragment@0 {
++ target = <&spidev0>;
++ __dormant__ {
++ status = "disabled";
++ };
++ };
++
++ fragment@1 {
++ target = <&spidev1>;
++ __dormant__ {
++ status = "disabled";
++ };
++ };
++
++ fragment@2 {
++ target-path = "spi1/spidev@0";
++ __dormant__ {
++ status = "disabled";
++ };
++ };
++
++ fragment@3 {
++ target-path = "spi1/spidev@1";
++ __dormant__ {
++ status = "disabled";
++ };
++ };
++
++ fragment@4 {
++ target-path = "spi1/spidev@2";
++ __dormant__ {
++ status = "disabled";
++ };
++ };
++
++ fragment@5 {
++ target-path = "spi2/spidev@0";
++ __dormant__ {
++ status = "disabled";
++ };
++ };
++
++ fragment@6 {
++ target-path = "spi2/spidev@1";
++ __dormant__ {
++ status = "disabled";
++ };
++ };
++
++ fragment@7 {
++ target-path = "spi2/spidev@2";
++ __dormant__ {
++ status = "disabled";
++ };
++ };
++
++ fragment@8 {
++ target = <&gpio>;
++ __overlay__ {
++ mcp251xfd_pins: mcp251xfd_pins {
++ brcm,pins = <25>;
++ brcm,function = <BCM2835_FSEL_GPIO_IN>;
++ };
++ };
++ };
++
++ fragment@9 {
++ target-path = "/clocks";
++ __overlay__ {
++ clk_mcp251xfd_osc: mcp251xfd-osc {
++ #clock-cells = <0>;
++ compatible = "fixed-clock";
++ clock-frequency = <40000000>;
++ };
++ };
++ };
++
++ mcp251xfd_frag: fragment@10 {
++ target = <&spi0>;
++ __overlay__ {
++ status = "okay";
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ mcp251xfd: mcp251xfd@0 {
++ compatible = "microchip,mcp251xfd";
++ reg = <0>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&mcp251xfd_pins>;
++ spi-max-frequency = <20000000>;
++ interrupt-parent = <&gpio>;
++ interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
++ clocks = <&clk_mcp251xfd_osc>;
++ };
++ };
++ };
++
++ fragment@11 {
++ target = <&mcp251xfd>;
++ mcp251xfd_rx_int_gpios: __dormant__ {
++ microchip,rx-int-gpios = <&gpio 255 GPIO_ACTIVE_LOW>;
++ };
++ };
++
++ fragment@12 {
++ target = <&gpio>;
++ __dormant__ {
++ mcp251xfd_xceiver_pins: mcp251xfd_xceiver_pins {
++ brcm,pins = <255>;
++ brcm,function = <BCM2835_FSEL_GPIO_OUT>;
++ };
++ };
++ };
++
++ fragment@13 {
++ target-path = "/";
++ __dormant__ {
++ reg_mcp251xfd_xceiver: reg_mcp251xfd_xceiver {
++ compatible = "regulator-fixed";
++ regulator-name = "mcp251xfd_xceiver";
++ regulator-min-microvolt = <3300000>;
++ regulator-max-microvolt = <3300000>;
++ gpio = <&gpio 4 GPIO_ACTIVE_HIGH>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&mcp251xfd_xceiver_pins>;
++ };
++ };
++ };
++
++ fragment@14 {
++ target = <&mcp251xfd>;
++ __dormant__ {
++ xceiver-supply = <&reg_mcp251xfd_xceiver>;
++ };
++ };
++
++ __overrides__ {
++ spi0-0 = <0>, "+0",
++ <&mcp251xfd_frag>, "target:0=", <&spi0>,
++ <&mcp251xfd>, "reg:0=0",
++ <&mcp251xfd_pins>, "name=mcp251xfd_spi0_0_pins",
++ <&clk_mcp251xfd_osc>, "name=mcp251xfd-spi0-0-osc",
++ <&mcp251xfd_xceiver_pins>, "name=mcp251xfd_spi0_0_xceiver_pins",
++ <&reg_mcp251xfd_xceiver>, "name=reg-mcp251xfd-spi0-0-xceiver",
++ <&reg_mcp251xfd_xceiver>, "regulator-name=mcp251xfd-spi0-0-xceiver";
++ spi0-1 = <0>, "+1",
++ <&mcp251xfd_frag>, "target:0=", <&spi0>,
++ <&mcp251xfd>, "reg:0=1",
++ <&mcp251xfd_pins>, "name=mcp251xfd_spi0_1_pins",
++ <&clk_mcp251xfd_osc>, "name=mcp251xfd-spi0-1-osc",
++ <&mcp251xfd_xceiver_pins>, "name=mcp251xfd_spi0_1_xceiver_pins",
++ <&reg_mcp251xfd_xceiver>, "name=reg-mcp251xfd-spi0-1-xceiver",
++ <&reg_mcp251xfd_xceiver>, "regulator-name=mcp251xfd-spi0-1-xceiver";
++ spi1-0 = <0>, "+2",
++ <&mcp251xfd_frag>, "target:0=", <&spi1>,
++ <&mcp251xfd>, "reg:0=0",
++ <&mcp251xfd_pins>, "name=mcp251xfd_spi1_0_pins",
++ <&clk_mcp251xfd_osc>, "name=mcp251xfd-spi1-0-osc",
++ <&mcp251xfd_xceiver_pins>, "name=mcp251xfd_spi1_0_xceiver_pins",
++ <&reg_mcp251xfd_xceiver>, "name=reg-mcp251xfd-spi1-0-xceiver",
++ <&reg_mcp251xfd_xceiver>, "regulator-name=mcp251xfd-spi1-0-xceiver";
++ spi1-1 = <0>, "+3",
++ <&mcp251xfd_frag>, "target:0=", <&spi1>,
++ <&mcp251xfd>, "reg:0=1",
++ <&mcp251xfd_pins>, "name=mcp251xfd_spi1_1_pins",
++ <&clk_mcp251xfd_osc>, "name=mcp251xfd-spi1-1-osc",
++ <&mcp251xfd_xceiver_pins>, "name=mcp251xfd_spi1_1_xceiver_pins",
++ <&reg_mcp251xfd_xceiver>, "name=reg-mcp251xfd-spi1-1-xceiver",
++ <&reg_mcp251xfd_xceiver>, "regulator-name=mcp251xfd-spi1-1-xceiver";
++ spi1-2 = <0>, "+4",
++ <&mcp251xfd_frag>, "target:0=", <&spi1>,
++ <&mcp251xfd>, "reg:0=2",
++ <&mcp251xfd_pins>, "name=mcp251xfd_spi1_2_pins",
++ <&clk_mcp251xfd_osc>, "name=mcp251xfd-spi1-2-osc",
++ <&mcp251xfd_xceiver_pins>, "name=mcp251xfd_spi1_2_xceiver_pins",
++ <&reg_mcp251xfd_xceiver>, "name=reg-mcp251xfd-spi1-2-xceiver",
++ <&reg_mcp251xfd_xceiver>, "regulator-name=mcp251xfd-spi1-2-xceiver";
++ spi2-0 = <0>, "+5",
++ <&mcp251xfd_frag>, "target:0=", <&spi2>,
++ <&mcp251xfd>, "reg:0=0",
++ <&mcp251xfd_pins>, "name=mcp251xfd_spi2_0_pins",
++ <&clk_mcp251xfd_osc>, "name=mcp251xfd-spi2-0-osc",
++ <&mcp251xfd_xceiver_pins>, "name=mcp251xfd_spi2_0_xceiver_pins",
++ <&reg_mcp251xfd_xceiver>, "name=reg-mcp251xfd-spi2-0-xceiver",
++ <&reg_mcp251xfd_xceiver>, "regulator-name=mcp251xfd-spi2-0-xceiver";
++ spi2-1 = <0>, "+6",
++ <&mcp251xfd_frag>, "target:0=", <&spi2>,
++ <&mcp251xfd>, "reg:0=1",
++ <&mcp251xfd_pins>, "name=mcp251xfd_spi2_1_pins",
++ <&clk_mcp251xfd_osc>, "name=mcp251xfd-spi2-1-osc",
++ <&mcp251xfd_xceiver_pins>, "name=mcp251xfd_spi2_1_xceiver_pins",
++ <&reg_mcp251xfd_xceiver>, "name=reg-mcp251xfd-spi2-1-xceiver",
++ <&reg_mcp251xfd_xceiver>, "regulator-name=mcp251xfd-spi2-1-xceiver";
++ spi2-2 = <0>, "+7",
++ <&mcp251xfd_frag>, "target:0=", <&spi2>,
++ <&mcp251xfd>, "reg:0=2",
++ <&mcp251xfd_pins>, "name=mcp251xfd_spi2_2_pins",
++ <&clk_mcp251xfd_osc>, "name=mcp251xfd-spi2-2-osc",
++ <&mcp251xfd_xceiver_pins>, "name=mcp251xfd_spi2_2_xceiver_pins",
++ <&reg_mcp251xfd_xceiver>, "name=reg-mcp251xfd-spi2-2-xceiver",
++ <&reg_mcp251xfd_xceiver>, "regulator-name=mcp251xfd-spi2-2-xceiver";
++ oscillator = <&clk_mcp251xfd_osc>, "clock-frequency:0";
++ speed = <&mcp251xfd>, "spi-max-frequency:0";
++ interrupt = <&mcp251xfd_pins>, "brcm,pins:0",
++ <&mcp251xfd>, "interrupts:0";
++ rx_interrupt = <0>, "+11",
++ <&mcp251xfd_pins>, "brcm,pins:4",
++ <&mcp251xfd_rx_int_gpios>, "microchip,rx-int-gpios:4";
++ xceiver_enable = <0>, "+12+13+14",
++ <&mcp251xfd_xceiver_pins>, "brcm,pins:0",
++ <&reg_mcp251xfd_xceiver>, "gpio:4";
++ xceiver_active_high = <&reg_mcp251xfd_xceiver>, "enable-active-high?";
++ };
++};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 17:37:36 +0000