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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2016-06-08 11:59:37 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2016-06-08 21:23:21 +0200 |
commit | 3fc661a98c8046a27dcf45a63049ee6605ebd364 (patch) | |
tree | 0468b8f3c8d4aa13ecce333ab3ad84146263cbc4 /target/linux/brcm2708/patches-4.4/0345-BCM270X_DT-Add-umbrella-I2C-Mux-overlay-i2c-mux.patch | |
parent | c17f02d2f272c6d74b20c2df050437f761d013a6 (diff) | |
download | mtk-20170518-3fc661a98c8046a27dcf45a63049ee6605ebd364.zip mtk-20170518-3fc661a98c8046a27dcf45a63049ee6605ebd364.tar.gz mtk-20170518-3fc661a98c8046a27dcf45a63049ee6605ebd364.tar.bz2 |
brcm2708: update linux 4.4 patches to latest version
As usual these patches were extracted from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.4.y
Also alphabetically order sound-soc kernel packages.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0345-BCM270X_DT-Add-umbrella-I2C-Mux-overlay-i2c-mux.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.4/0345-BCM270X_DT-Add-umbrella-I2C-Mux-overlay-i2c-mux.patch | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0345-BCM270X_DT-Add-umbrella-I2C-Mux-overlay-i2c-mux.patch b/target/linux/brcm2708/patches-4.4/0345-BCM270X_DT-Add-umbrella-I2C-Mux-overlay-i2c-mux.patch new file mode 100644 index 0000000..ea5aecc --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0345-BCM270X_DT-Add-umbrella-I2C-Mux-overlay-i2c-mux.patch @@ -0,0 +1,269 @@ +From eaa6e5f8a581aa8c71c245ecfc882819c7090a06 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Wed, 11 May 2016 15:38:04 +0100 +Subject: [PATCH 345/381] 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"; +- }; +-}; |