diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0756-overlays-Add-spi0-overlay-to-support-sc16is752.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0756-overlays-Add-spi0-overlay-to-support-sc16is752.patch | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0756-overlays-Add-spi0-overlay-to-support-sc16is752.patch b/target/linux/bcm27xx/patches-5.4/950-0756-overlays-Add-spi0-overlay-to-support-sc16is752.patch deleted file mode 100644 index afd760b8f3..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0756-overlays-Add-spi0-overlay-to-support-sc16is752.patch +++ /dev/null @@ -1,87 +0,0 @@ -From b2998ffa15aabea3292159ca20973f45ed9cb4b0 Mon Sep 17 00:00:00 2001 -From: bjorn <beikeland@gmail.com> -Date: Thu, 7 May 2020 05:11:43 +0200 -Subject: [PATCH] overlays: Add spi0 overlay to support sc16is752 - -Signed-off-by: Bjorn <beikeland@gmail.com> ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 8 ++++ - .../dts/overlays/sc16is752-spi0-overlay.dts | 44 +++++++++++++++++++ - 3 files changed, 53 insertions(+) - create mode 100644 arch/arm/boot/dts/overlays/sc16is752-spi0-overlay.dts - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -143,6 +143,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ - rra-digidac1-wm8741-audio.dtbo \ - sc16is750-i2c.dtbo \ - sc16is752-i2c.dtbo \ -+ sc16is752-spi0.dtbo \ - sc16is752-spi1.dtbo \ - sdhost.dtbo \ - sdio.dtbo \ ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -2144,6 +2144,14 @@ Params: int_pin GPIO use - xtal On-board crystal frequency (default 14745600) - - -+Name: sc16is752-spi0 -+Info: Overlay for the NXP SC16IS752 Dual UART with SPI Interface -+ Enables the chip on SPI0. -+Load: dtoverlay=sc16is752-spi0,<param>=<val> -+Params: int_pin GPIO used for IRQ (default 24) -+ xtal On-board crystal frequency (default 14745600) -+ -+ - Name: sc16is752-spi1 - Info: Overlay for the NXP SC16IS752 Dual UART with SPI Interface - Enables the chip on SPI1. ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/sc16is752-spi0-overlay.dts -@@ -0,0 +1,44 @@ -+/dts-v1/; -+/plugin/; -+ -+/ { -+ compatible = "brcm,bcm2835"; -+ -+ fragment@0 { -+ target = <&spi0>; -+ __overlay__ { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ status = "okay"; -+ -+ sc16is752: sc16is752@0 { -+ compatible = "nxp,sc16is752"; -+ reg = <0>; /* CE0 */ -+ clocks = <&sc16is752_clk>; -+ interrupt-parent = <&gpio>; -+ interrupts = <24 2>; /* IRQ_TYPE_EDGE_FALLING */ -+ #gpio-controller; -+ #gpio-cells = <2>; -+ spi-max-frequency = <4000000>; -+ -+ sc16is752_clk: sc16is752_clk { -+ compatible = "fixed-clock"; -+ #clock-cells = <0>; -+ clock-frequency = <14745600>; -+ }; -+ }; -+ }; -+ }; -+ -+ fragment@1 { -+ target = <&spidev0>; -+ __overlay__ { -+ status = "disabled"; -+ }; -+ }; -+ -+ __overrides__ { -+ int_pin = <&sc16is752>,"interrupts:0"; -+ xtal = <&sc16is752_clk>, "clock-frequency:0"; -+ }; -+}; |