mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-20 14:13:16 +00:00
8c405cdccc
The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
109 lines
2.9 KiB
Diff
109 lines
2.9 KiB
Diff
From fd553e002cb908f0dd681af0b3ddb62965e0cc41 Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.com>
|
|
Date: Mon, 6 May 2024 12:21:21 +0100
|
|
Subject: [PATCH 1077/1085] overlays: Add sc16is750-spi0
|
|
|
|
Essentially a rename of the equivalent overlay for the SC16IS752.
|
|
|
|
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
|
|
---
|
|
arch/arm/boot/dts/overlays/Makefile | 1 +
|
|
arch/arm/boot/dts/overlays/README | 8 +++
|
|
.../dts/overlays/sc16is750-spi0-overlay.dts | 63 +++++++++++++++++++
|
|
3 files changed, 72 insertions(+)
|
|
create mode 100644 arch/arm/boot/dts/overlays/sc16is750-spi0-overlay.dts
|
|
|
|
--- a/arch/arm/boot/dts/overlays/Makefile
|
|
+++ b/arch/arm/boot/dts/overlays/Makefile
|
|
@@ -230,6 +230,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
|
|
rra-digidac1-wm8741-audio.dtbo \
|
|
sainsmart18.dtbo \
|
|
sc16is750-i2c.dtbo \
|
|
+ sc16is750-spi0.dtbo \
|
|
sc16is752-i2c.dtbo \
|
|
sc16is752-spi0.dtbo \
|
|
sc16is752-spi1.dtbo \
|
|
--- a/arch/arm/boot/dts/overlays/README
|
|
+++ b/arch/arm/boot/dts/overlays/README
|
|
@@ -4128,6 +4128,14 @@ Params: int_pin GPIO use
|
|
xtal On-board crystal frequency (default 14745600)
|
|
|
|
|
|
+Name: sc16is750-spi0
|
|
+Info: Overlay for the NXP SC16IS750 UART with SPI Interface
|
|
+ Enables the chip on SPI0.
|
|
+Load: dtoverlay=sc16is750-spi0,<param>=<val>
|
|
+Params: int_pin GPIO used for IRQ (default 24)
|
|
+ xtal On-board crystal frequency (default 14745600)
|
|
+
|
|
+
|
|
Name: sc16is752-i2c
|
|
Info: Overlay for the NXP SC16IS752 dual UART with I2C Interface
|
|
Enables the chip on I2C1 at 0x48 (or the "addr" parameter value). To
|
|
--- /dev/null
|
|
+++ b/arch/arm/boot/dts/overlays/sc16is750-spi0-overlay.dts
|
|
@@ -0,0 +1,63 @@
|
|
+/dts-v1/;
|
|
+/plugin/;
|
|
+
|
|
+/ {
|
|
+ compatible = "brcm,bcm2835";
|
|
+
|
|
+ fragment@0 {
|
|
+ target = <&spi0>;
|
|
+ __overlay__ {
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+ status = "okay";
|
|
+
|
|
+ sc16is750: sc16is750@0 {
|
|
+ compatible = "nxp,sc16is750";
|
|
+ reg = <0>; /* CE0 */
|
|
+ clocks = <&sc16is750_clk>;
|
|
+ interrupt-parent = <&gpio>;
|
|
+ interrupts = <24 2>; /* IRQ_TYPE_EDGE_FALLING */
|
|
+ pinctrl-0 = <&int_pins>;
|
|
+ pinctrl-names = "default";
|
|
+ gpio-controller;
|
|
+ #gpio-cells = <2>;
|
|
+ spi-max-frequency = <4000000>;
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@1 {
|
|
+ target = <&spidev0>;
|
|
+ __overlay__ {
|
|
+ status = "disabled";
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@2 {
|
|
+ target-path = "/";
|
|
+ __overlay__ {
|
|
+ sc16is750_clk: sc16is750_spi0_0_clk {
|
|
+ compatible = "fixed-clock";
|
|
+ #clock-cells = <0>;
|
|
+ clock-frequency = <14745600>;
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@3 {
|
|
+ target = <&gpio>;
|
|
+ __overlay__ {
|
|
+ int_pins: int_pins@18 {
|
|
+ brcm,pins = <24>;
|
|
+ brcm,function = <0>; /* in */
|
|
+ brcm,pull = <0>; /* none */
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+
|
|
+ __overrides__ {
|
|
+ int_pin = <&sc16is750>,"interrupts:0", <&int_pins>,"brcm,pins:0",
|
|
+ <&int_pins>,"reg:0";
|
|
+ xtal = <&sc16is750_clk>,"clock-frequency:0";
|
|
+ };
|
|
+};
|