diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0341-BCM270X_DT-Add-umbrella-I2C-Mux-overlay-i2c-mux.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.4/0341-BCM270X_DT-Add-umbrella-I2C-Mux-overlay-i2c-mux.patch | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0341-BCM270X_DT-Add-umbrella-I2C-Mux-overlay-i2c-mux.patch b/target/linux/brcm2708/patches-4.4/0341-BCM270X_DT-Add-umbrella-I2C-Mux-overlay-i2c-mux.patch deleted file mode 100644 index 8ea61b9c20..0000000000 --- a/target/linux/brcm2708/patches-4.4/0341-BCM270X_DT-Add-umbrella-I2C-Mux-overlay-i2c-mux.patch +++ /dev/null @@ -1,269 +0,0 @@ -From 8921183116514635e0a9d823d8547067f2aa82ee Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Wed, 11 May 2016 15:38:04 +0100 -Subject: [PATCH] BCM270X_DT: Add umbrella I2C Mux overlay i2c-mux - -This overlay supports a range of I2C multiplexers - PCA9542 (2 ports), -PCA9545 (4 ports) and PCA9548 (8 ports). - -Also remove the dedicated i2c-mux-9548a overlays since it is no longer -needed. - -Signed-off-by: Phil Elwell <phil@raspberrypi.org> ---- - arch/arm/boot/dts/overlays/Makefile | 2 +- - arch/arm/boot/dts/overlays/README | 17 ++- - arch/arm/boot/dts/overlays/i2c-mux-overlay.dts | 138 +++++++++++++++++++++ - .../boot/dts/overlays/i2c-mux-pca9548a-overlay.dts | 67 ---------- - 4 files changed, 152 insertions(+), 72 deletions(-) - create mode 100644 arch/arm/boot/dts/overlays/i2c-mux-overlay.dts - delete 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 -@@ -34,7 +34,7 @@ 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) += i2c-mux.dtbo - dtbo-$(RPI_DT_OVERLAYS) += i2c-pwm-pca9685a.dtbo - dtbo-$(RPI_DT_OVERLAYS) += i2c0-bcm2708.dtbo - dtbo-$(RPI_DT_OVERLAYS) += i2c1-bcm2708.dtbo ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -421,10 +421,19 @@ 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-mux -+Info: Adds support for a number of I2C bus multiplexers on i2c_arm -+Load: dtoverlay=i2c-mux,<param>=<val> -+Params: pca9542 Select the NXP PCA9542 device -+ -+ pca9545 Select the NXP PCA9545 device -+ -+ pca9548 Select the NXP PCA9548 device -+ -+ addr Change I2C address of the device (default 0x70) -+ -+ -+[ The i2c-mux-pca9548a overlay has been deleted. See i2c-mux. ] - - - Name: i2c-pwm-pca9685a ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/i2c-mux-overlay.dts -@@ -0,0 +1,138 @@ -+// Umbrella I2C Mux overlay -+ -+/dts-v1/; -+/plugin/; -+ -+/{ -+ compatible = "brcm,bcm2708"; -+ -+ fragment@0 { -+ target = <&i2c_arm>; -+ __dormant__ { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ status = "okay"; -+ -+ pca9542: mux@70 { -+ compatible = "nxp,pca9542"; -+ 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>; -+ }; -+ }; -+ }; -+ }; -+ -+ fragment@1 { -+ target = <&i2c_arm>; -+ __dormant__ { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ status = "okay"; -+ -+ pca9545: mux@70 { -+ compatible = "nxp,pca9545"; -+ 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>; -+ }; -+ }; -+ }; -+ }; -+ -+ fragment@2 { -+ target = <&i2c_arm>; -+ __dormant__ { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ status = "okay"; -+ -+ pca9548: 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__ { -+ pca9542 = <0>, "+0"; -+ pca9545 = <0>, "+1"; -+ pca9548 = <0>, "+2"; -+ -+ addr = <&pca9545>,"reg:0", -+ <&pca9548>,"reg:0"; -+ }; -+}; ---- a/arch/arm/boot/dts/overlays/i2c-mux-pca9548a-overlay.dts -+++ /dev/null -@@ -1,67 +0,0 @@ --// 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"; -- }; --}; |