diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0408-BCM270X_DT-Add-spi-rtc-overlay-on-SPI0.0.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0408-BCM270X_DT-Add-spi-rtc-overlay-on-SPI0.0.patch | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0408-BCM270X_DT-Add-spi-rtc-overlay-on-SPI0.0.patch b/target/linux/brcm2708/patches-4.4/0408-BCM270X_DT-Add-spi-rtc-overlay-on-SPI0.0.patch deleted file mode 100644 index 1801e2864f..0000000000 --- a/target/linux/brcm2708/patches-4.4/0408-BCM270X_DT-Add-spi-rtc-overlay-on-SPI0.0.patch +++ /dev/null @@ -1,76 +0,0 @@ -From 14069cf322a96df5b2fdf4ed68510f7d3178bf2e Mon Sep 17 00:00:00 2001 -From: Thomas Kriechbaumer <thomas@kriechbaumer.name> -Date: Fri, 3 Jun 2016 09:40:44 +0200 -Subject: [PATCH] BCM270X_DT: Add spi-rtc overlay on SPI0.0 - -Initial version only supports PCF2123 RTC. - -See: https://github.com/raspberrypi/linux/pull/1510 ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 6 +++++ - arch/arm/boot/dts/overlays/spi-rtc-overlay.dts | 33 ++++++++++++++++++++++++++ - 3 files changed, 40 insertions(+) - create mode 100644 arch/arm/boot/dts/overlays/spi-rtc-overlay.dts - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -78,6 +78,7 @@ dtbo-$(RPI_DT_OVERLAYS) += smi.dtbo - dtbo-$(RPI_DT_OVERLAYS) += smi-dev.dtbo - dtbo-$(RPI_DT_OVERLAYS) += smi-nand.dtbo - dtbo-$(RPI_DT_OVERLAYS) += spi-gpio35-39.dtbo -+dtbo-$(RPI_DT_OVERLAYS) += spi-rtc.dtbo - dtbo-$(RPI_DT_OVERLAYS) += spi1-1cs.dtbo - dtbo-$(RPI_DT_OVERLAYS) += spi1-2cs.dtbo - dtbo-$(RPI_DT_OVERLAYS) += spi1-3cs.dtbo ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -975,6 +975,12 @@ Load: dtoverlay=spi-gpio35-39 - Params: <None> - - -+Name: spi-rtc -+Info: Adds support for a number of SPI Real Time Clock devices -+Load: dtoverlay=spi-rtc,<param>=<val> -+Params: pcf2123 Select the PCF2123 device -+ -+ - Name: spi1-1cs - Info: Enables spi1 with a single chip select (CS) line and associated spidev - dev node. The gpio pin number for the CS line and spidev device node ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/spi-rtc-overlay.dts -@@ -0,0 +1,33 @@ -+/dts-v1/; -+/plugin/; -+ -+/ { -+ compatible = "brcm,bcm2708"; -+ -+ fragment@0 { -+ target = <&spidev0>; -+ __dormant__ { -+ status = "disabled"; -+ }; -+ }; -+ -+ fragment@1 { -+ target = <&spi0>; -+ __dormant__ { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ status = "okay"; -+ -+ rtc-pcf2123@0 { -+ compatible = "nxp,rtc-pcf2123"; -+ spi-max-frequency = <5000000>; -+ spi-cs-high = <1>; -+ reg = <0>; -+ }; -+ }; -+ }; -+ -+ __overrides__ { -+ pcf2123 = <0>, "=0=1"; -+ }; -+}; |