diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0213-Add-configs-and-overlay-for-PCA9548-I2C-mux.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0213-Add-configs-and-overlay-for-PCA9548-I2C-mux.patch | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0213-Add-configs-and-overlay-for-PCA9548-I2C-mux.patch b/target/linux/brcm2708/patches-4.4/0213-Add-configs-and-overlay-for-PCA9548-I2C-mux.patch deleted file mode 100644 index 28db3d1228..0000000000 --- a/target/linux/brcm2708/patches-4.4/0213-Add-configs-and-overlay-for-PCA9548-I2C-mux.patch +++ /dev/null @@ -1,133 +0,0 @@ -From 29a3c1c4b42969b487d1212128a2bdf4135fedb9 Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <6by9@users.noreply.github.com> -Date: Thu, 17 Mar 2016 18:16:16 +0000 -Subject: [PATCH] Add configs and overlay for PCA9548 I2C mux - -Adds kernel configs for I2C muxes and a dt overlay for PCA9548 -that adds the 8 muxed I2C buses and mux device. ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 6 ++ - .../boot/dts/overlays/i2c-mux-pca9548a-overlay.dts | 67 ++++++++++++++++++++++ - arch/arm/configs/bcm2709_defconfig | 2 + - arch/arm/configs/bcmrpi_defconfig | 2 + - 5 files changed, 78 insertions(+) - create mode 100644 arch/arm/boot/dts/overlays/i2c-mux-pca9548a-overlay.dts - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -29,6 +29,7 @@ dtbo-$(RPI_DT_OVERLAYS) += hy28a.dtbo - dtbo-$(RPI_DT_OVERLAYS) += hy28b.dtbo - dtbo-$(RPI_DT_OVERLAYS) += i2c-rtc.dtbo - dtbo-$(RPI_DT_OVERLAYS) += i2c-gpio.dtbo -+dtbo-$(RPI_DT_OVERLAYS) += i2c-mux-pca9548a.dtbo - dtbo-$(RPI_DT_OVERLAYS) += i2c0-bcm2708.dtbo - dtbo-$(RPI_DT_OVERLAYS) += i2c1-bcm2708.dtbo - dtbo-$(RPI_DT_OVERLAYS) += i2s-mmap.dtbo ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -360,6 +360,12 @@ Params: i2c_gpio_sda GPIO use - (default "2" = ~100kHz) - - -+Name: i2c-mux-pca9548a -+Info: Adds support for an NXP PCA9548A I2C multiplexer on i2c_arm -+Load: dtoverlay=i2c-mux-pca9548a,<param>=<val> -+Params: addr I2C address of PCA9548A (default 0x70) -+ -+ - Name: i2c-rtc - Info: Adds support for a number of I2C Real Time Clock devices - Load: dtoverlay=i2c-rtc,<param>=<val> ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/i2c-mux-pca9548a-overlay.dts -@@ -0,0 +1,67 @@ -+// Definitions for NXP PCA9548A I2C mux on ARM I2C bus. -+/dts-v1/; -+/plugin/; -+ -+/{ -+ compatible = "brcm,bcm2708"; -+ -+ fragment@0 { -+ target = <&i2c_arm>; -+ __overlay__ { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ status = "okay"; -+ -+ i2cmux: mux@70 { -+ compatible = "nxp,pca9548"; -+ reg = <0x70>; -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ i2c@0 { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ reg = <0>; -+ }; -+ i2c@1 { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ reg = <1>; -+ }; -+ i2c@2 { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ reg = <2>; -+ }; -+ i2c@3 { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ reg = <3>; -+ }; -+ i2c@4 { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ reg = <4>; -+ }; -+ i2c@5 { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ reg = <5>; -+ }; -+ i2c@6 { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ reg = <6>; -+ }; -+ i2c@7 { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ reg = <7>; -+ }; -+ }; -+ }; -+ }; -+ __overrides__ { -+ addr = <&i2cmux>,"reg:0"; -+ }; -+}; ---- a/arch/arm/configs/bcm2709_defconfig -+++ b/arch/arm/configs/bcm2709_defconfig -@@ -600,6 +600,8 @@ CONFIG_I2C=y - CONFIG_I2C_CHARDEV=m - CONFIG_I2C_BCM2708=m - CONFIG_I2C_GPIO=m -+CONFIG_I2C_MUX=m -+CONFIG_I2C_MUX_PCA954x=m - CONFIG_SPI=y - CONFIG_SPI_BCM2835=m - CONFIG_SPI_BCM2835AUX=m ---- a/arch/arm/configs/bcmrpi_defconfig -+++ b/arch/arm/configs/bcmrpi_defconfig -@@ -593,6 +593,8 @@ CONFIG_I2C=y - CONFIG_I2C_CHARDEV=m - CONFIG_I2C_BCM2708=m - CONFIG_I2C_GPIO=m -+CONFIG_I2C_MUX=m -+CONFIG_I2C_MUX_PCA954x=m - CONFIG_SPI=y - CONFIG_SPI_BCM2835=m - CONFIG_SPI_BCM2835AUX=m |