From 13be2bbd1a22f1b4d9fd260d80b561698f623ac1 Mon Sep 17 00:00:00 2001 From: Phil Elwell Date: Thu, 30 May 2019 16:44:24 +0100 Subject: [PATCH] overlays: Add i2c3-6 and uart2-5 overlays Signed-off-by: Phil Elwell --- arch/arm/boot/dts/overlays/Makefile | 8 +++ arch/arm/boot/dts/overlays/README | 52 ++++++++++++++++++++ arch/arm/boot/dts/overlays/i2c3-overlay.dts | 27 ++++++++++ arch/arm/boot/dts/overlays/i2c4-overlay.dts | 27 ++++++++++ arch/arm/boot/dts/overlays/i2c5-overlay.dts | 27 ++++++++++ arch/arm/boot/dts/overlays/i2c6-overlay.dts | 27 ++++++++++ arch/arm/boot/dts/overlays/uart2-overlay.dts | 27 ++++++++++ arch/arm/boot/dts/overlays/uart3-overlay.dts | 27 ++++++++++ arch/arm/boot/dts/overlays/uart4-overlay.dts | 27 ++++++++++ arch/arm/boot/dts/overlays/uart5-overlay.dts | 27 ++++++++++ 10 files changed, 276 insertions(+) create mode 100644 arch/arm/boot/dts/overlays/i2c3-overlay.dts create mode 100644 arch/arm/boot/dts/overlays/i2c4-overlay.dts create mode 100644 arch/arm/boot/dts/overlays/i2c5-overlay.dts create mode 100644 arch/arm/boot/dts/overlays/i2c6-overlay.dts create mode 100644 arch/arm/boot/dts/overlays/uart2-overlay.dts create mode 100644 arch/arm/boot/dts/overlays/uart3-overlay.dts create mode 100644 arch/arm/boot/dts/overlays/uart4-overlay.dts create mode 100644 arch/arm/boot/dts/overlays/uart5-overlay.dts --- a/arch/arm/boot/dts/overlays/Makefile +++ b/arch/arm/boot/dts/overlays/Makefile @@ -65,6 +65,10 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ i2c-sensor.dtbo \ i2c0-bcm2708.dtbo \ i2c1-bcm2708.dtbo \ + i2c3.dtbo \ + i2c4.dtbo \ + i2c5.dtbo \ + i2c6.dtbo \ i2s-gpio28-31.dtbo \ ilitek251x.dtbo \ iqaudio-codec.dtbo \ @@ -149,6 +153,10 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ tpm-slb9670.dtbo \ uart0.dtbo \ uart1.dtbo \ + uart2.dtbo \ + uart3.dtbo \ + uart4.dtbo \ + uart5.dtbo \ udrc.dtbo \ upstream.dtbo \ vc4-fkms-v3d.dtbo \ --- a/arch/arm/boot/dts/overlays/README +++ b/arch/arm/boot/dts/overlays/README @@ -1137,6 +1137,34 @@ Params: sda1_pin GPIO pin "yes") +Name: i2c3 +Info: Enable the i2c3 bus +Load: dtoverlay=i2c3, +Params: pins_2_3 Use GPIOs 2 and 3 + pins_4_5 Use GPIOs 4 and 5 (default) + + +Name: i2c4 +Info: Enable the i2c4 bus +Load: dtoverlay=i2c4, +Params: pins_6_7 Use GPIOs 6 and 7 + pins_8_9 Use GPIOs 8 and 9 (default) + + +Name: i2c5 +Info: Enable the i2c5 bus +Load: dtoverlay=i2c5, +Params: pins_10_11 Use GPIOs 10 and 11 + pins_12_13 Use GPIOs 12 and 13 (default) + + +Name: i2c6 +Info: Enable the i2c6 bus +Load: dtoverlay=i2c6, +Params: pins_0_1 Use GPIOs 0 and 1 + pins_22_23 Use GPIOs 22 and 23 (default) + + Name: i2s-gpio28-31 Info: move I2S function block to GPIO 28 to 31 Load: dtoverlay=i2s-gpio28-31 @@ -2199,6 +2227,30 @@ Params: txd1_pin GPIO pin rxd1_pin GPIO pin for RXD1 (15, 33 or 41 - default 15) +Name: uart2 +Info: Enable uart 2 on GPIOs 0-3 +Load: dtoverlay=uart2, +Params: ctsrts Enable CTS/RTS on GPIOs 2-3 (default off) + + +Name: uart3 +Info: Enable uart 3 on GPIOs 4-7 +Load: dtoverlay=uart3, +Params: ctsrts Enable CTS/RTS on GPIOs 6-7 (default off) + + +Name: uart4 +Info: Enable uart 4 on GPIOs 8-11 +Load: dtoverlay=uart4, +Params: ctsrts Enable CTS/RTS on GPIOs 10-11 (default off) + + +Name: uart5 +Info: Enable uart 5 on GPIOs 12-15 +Load: dtoverlay=uart5, +Params: ctsrts Enable CTS/RTS on GPIOs 14-15 (default off) + + Name: udrc Info: Configures the NW Digital Radio UDRC Hat Load: dtoverlay=udrc,= --- /dev/null +++ b/arch/arm/boot/dts/overlays/i2c3-overlay.dts @@ -0,0 +1,27 @@ +/dts-v1/; +/plugin/; + +/{ + compatible = "brcm,bcm2838"; + + fragment@0 { + target = <&i2c3>; + __overlay__ { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&i2c3_pins>; + }; + }; + + fragment@1 { + target = <&i2c3_pins>; + __dormant__ { + brcm,pins = <2 3>; + }; + }; + + __overrides__ { + pins_2_3 = <0>,"=1"; + pins_4_5 = <0>,"!1"; + }; +}; --- /dev/null +++ b/arch/arm/boot/dts/overlays/i2c4-overlay.dts @@ -0,0 +1,27 @@ +/dts-v1/; +/plugin/; + +/{ + compatible = "brcm,bcm2838"; + + fragment@0 { + target = <&i2c4>; + __overlay__ { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&i2c4_pins>; + }; + }; + + fragment@1 { + target = <&i2c4_pins>; + __dormant__ { + brcm,pins = <6 7>; + }; + }; + + __overrides__ { + pins_6_7 = <0>,"=1"; + pins_8_9 = <0>,"!1"; + }; +}; --- /dev/null +++ b/arch/arm/boot/dts/overlays/i2c5-overlay.dts @@ -0,0 +1,27 @@ +/dts-v1/; +/plugin/; + +/{ + compatible = "brcm,bcm2838"; + + fragment@0 { + target = <&i2c5>; + __overlay__ { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&i2c5_pins>; + }; + }; + + fragment@1 { + target = <&i2c5_pins>; + __dormant__ { + brcm,pins = <10 11>; + }; + }; + + __overrides__ { + pins_10_11 = <0>,"=1"; + pins_12_13 = <0>,"!1"; + }; +}; --- /dev/null +++ b/arch/arm/boot/dts/overlays/i2c6-overlay.dts @@ -0,0 +1,27 @@ +/dts-v1/; +/plugin/; + +/{ + compatible = "brcm,bcm2838"; + + fragment@0 { + target = <&i2c6>; + __overlay__ { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&i2c6_pins>; + }; + }; + + fragment@1 { + target = <&i2c6_pins>; + __dormant__ { + brcm,pins = <0 1>; + }; + }; + + __overrides__ { + pins_0_1 = <0>,"=1"; + pins_22_23 = <0>,"!1"; + }; +}; --- /dev/null +++ b/arch/arm/boot/dts/overlays/uart2-overlay.dts @@ -0,0 +1,27 @@ +/dts-v1/; +/plugin/; + +/{ + compatible = "brcm,bcm2838"; + + fragment@0 { + target = <&uart2>; + __overlay__ { + pinctrl-names = "default"; + pinctrl-0 = <&uart2_pins>; + status = "okay"; + }; + }; + + fragment@1 { + target = <&uart2_pins>; + __dormant__ { + brcm,pins = <0 1 2 3>; + brcm,pull = <0 2 2 0>; + }; + }; + + __overrides__ { + ctsrts = <0>,"=1"; + }; +}; --- /dev/null +++ b/arch/arm/boot/dts/overlays/uart3-overlay.dts @@ -0,0 +1,27 @@ +/dts-v1/; +/plugin/; + +/{ + compatible = "brcm,bcm2838"; + + fragment@0 { + target = <&uart3>; + __overlay__ { + pinctrl-names = "default"; + pinctrl-0 = <&uart3_pins>; + status = "okay"; + }; + }; + + fragment@1 { + target = <&uart3_pins>; + __dormant__ { + brcm,pins = <4 5 6 7>; + brcm,pull = <0 2 2 0>; + }; + }; + + __overrides__ { + ctsrts = <0>,"=1"; + }; +}; --- /dev/null +++ b/arch/arm/boot/dts/overlays/uart4-overlay.dts @@ -0,0 +1,27 @@ +/dts-v1/; +/plugin/; + +/{ + compatible = "brcm,bcm2838"; + + fragment@0 { + target = <&uart4>; + __overlay__ { + pinctrl-names = "default"; + pinctrl-0 = <&uart4_pins>; + status = "okay"; + }; + }; + + fragment@1 { + target = <&uart4_pins>; + __dormant__ { + brcm,pins = <8 9 10 11>; + brcm,pull = <0 2 2 0>; + }; + }; + + __overrides__ { + ctsrts = <0>,"=1"; + }; +}; --- /dev/null +++ b/arch/arm/boot/dts/overlays/uart5-overlay.dts @@ -0,0 +1,27 @@ +/dts-v1/; +/plugin/; + +/{ + compatible = "brcm,bcm2838"; + + fragment@0 { + target = <&uart5>; + __overlay__ { + pinctrl-names = "default"; + pinctrl-0 = <&uart5_pins>; + status = "okay"; + }; + }; + + fragment@1 { + target = <&uart5_pins>; + __dormant__ { + brcm,pins = <12 13 14 15>; + brcm,pull = <0 2 2 0>; + }; + }; + + __overrides__ { + ctsrts = <0>,"=1"; + }; +};