diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0418-dts-Add-overlay-for-NXP-SC16IS752-Dual-UART-with-SPI.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0418-dts-Add-overlay-for-NXP-SC16IS752-Dual-UART-with-SPI.patch | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0418-dts-Add-overlay-for-NXP-SC16IS752-Dual-UART-with-SPI.patch b/target/linux/brcm2708/patches-4.4/0418-dts-Add-overlay-for-NXP-SC16IS752-Dual-UART-with-SPI.patch deleted file mode 100644 index 3650047136..0000000000 --- a/target/linux/brcm2708/patches-4.4/0418-dts-Add-overlay-for-NXP-SC16IS752-Dual-UART-with-SPI.patch +++ /dev/null @@ -1,106 +0,0 @@ -From 23074d03200bc35acdb2ebd8a127fb6b832307fc Mon Sep 17 00:00:00 2001 -From: Erdem MEYDANLI <erdem.meydanli@punica.com.tr> -Date: Thu, 30 Jun 2016 21:05:08 +0300 -Subject: [PATCH] dts: Add overlay for NXP SC16IS752 Dual UART with SPI - Interface - ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 10 ++++ - .../boot/dts/overlays/sc16is752-spi1-overlay.dts | 61 ++++++++++++++++++++++ - 3 files changed, 72 insertions(+) - create mode 100644 arch/arm/boot/dts/overlays/sc16is752-spi1-overlay.dts - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -71,6 +71,7 @@ dtbo-$(RPI_DT_OVERLAYS) += rpi-ft5406.dt - dtbo-$(RPI_DT_OVERLAYS) += rpi-proto.dtbo - dtbo-$(RPI_DT_OVERLAYS) += rpi-sense.dtbo - dtbo-$(RPI_DT_OVERLAYS) += rra-digidac1-wm8741-audio.dtbo -+dtbo-$(RPI_DT_OVERLAYS) += sc16is752-spi1.dtbo - dtbo-$(RPI_DT_OVERLAYS) += sdhost.dtbo - dtbo-$(RPI_DT_OVERLAYS) += sdio.dtbo - dtbo-$(RPI_DT_OVERLAYS) += sdio-1bit.dtbo ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -888,6 +888,16 @@ Load: dtoverlay=rra-digidac1-wm8741-au - Params: <None> - - -+Name: sc16is752-spi1 -+Info: Overlay for the NXP SC16IS752 Dual UART with SPI Interface -+ Enables the chip on SPI1. -+ N.B.: spi1 is only accessible on devices with a 40pin header, eg: -+ A+, B+, Zero and PI2 B; as well as the Compute Module. -+ -+Load: dtoverlay=sc16is752-spi1,<param>=<val> -+Params: int_pin GPIO used for IRQ (default 24) -+ -+ - Name: sdhost - Info: Selects the bcm2835-sdhost SD/MMC driver, optionally with overclock. - N.B. This overlay is designed for situations where the mmc driver is ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/sc16is752-spi1-overlay.dts -@@ -0,0 +1,61 @@ -+/dts-v1/; -+/plugin/; -+ -+/ { -+ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709"; -+ -+ fragment@0 { -+ target = <&gpio>; -+ __overlay__ { -+ spi1_pins: spi1_pins { -+ brcm,pins = <19 20 21>; -+ brcm,function = <3>; /* alt4 */ -+ }; -+ -+ spi1_cs_pins: spi1_cs_pins { -+ brcm,pins = <18>; -+ brcm,function = <1>; /* output */ -+ }; -+ }; -+ }; -+ -+ fragment@1 { -+ target = <&spi1>; -+ frag1: __overlay__ { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ pinctrl-names = "default"; -+ pinctrl-0 = <&spi1_pins &spi1_cs_pins>; -+ cs-gpios = <&gpio 18 1>; -+ 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@2 { -+ target = <&aux>; -+ __overlay__ { -+ status = "okay"; -+ }; -+ }; -+ -+ __overrides__ { -+ int_pin = <&sc16is752>,"interrupts:0"; -+ }; -+}; |