diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.1/0098-BCM270X_DT-Add-overlay-to-enable-uart1.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.1/0098-BCM270X_DT-Add-overlay-to-enable-uart1.patch | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0098-BCM270X_DT-Add-overlay-to-enable-uart1.patch b/target/linux/brcm2708/patches-4.1/0098-BCM270X_DT-Add-overlay-to-enable-uart1.patch deleted file mode 100644 index be25ae406a..0000000000 --- a/target/linux/brcm2708/patches-4.1/0098-BCM270X_DT-Add-overlay-to-enable-uart1.patch +++ /dev/null @@ -1,152 +0,0 @@ -From dcbf44736f78f3c7899b4ab3ef6342a0c18dd767 Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Fri, 26 Jun 2015 08:50:11 +0100 -Subject: [PATCH 098/222] BCM270X_DT: Add overlay to enable uart1 - -N.B. The UART1 clock is derived from the core clock. The firmware -will update clock-frequency if core_freq is set, but be aware -that unless force_turbo=1 while overclocking then the baud rate -will vary with ARM activity. ---- - arch/arm/boot/dts/bcm2708-rpi-b-plus.dts | 1 + - arch/arm/boot/dts/bcm2708-rpi-b.dts | 1 + - arch/arm/boot/dts/bcm2708-rpi-cm.dts | 1 + - arch/arm/boot/dts/bcm2709-rpi-2-b.dts | 1 + - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 8 ++++++ - arch/arm/boot/dts/overlays/uart1-overlay.dts | 38 ++++++++++++++++++++++++++++ - arch/arm/configs/bcm2709_defconfig | 2 +- - arch/arm/configs/bcmrpi_defconfig | 2 +- - 9 files changed, 53 insertions(+), 2 deletions(-) - create mode 100644 arch/arm/boot/dts/overlays/uart1-overlay.dts - ---- a/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts -+++ b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts -@@ -103,6 +103,7 @@ - __overrides__ { - uart0 = <&uart0>,"status"; - uart0_clkrate = <&clk_uart0>,"clock-frequency:0"; -+ uart1_clkrate = <&uart1>,"clock-frequency:0"; - i2s = <&i2s>,"status"; - spi = <&spi0>,"status"; - i2c0 = <&i2c0>,"status"; ---- a/arch/arm/boot/dts/bcm2708-rpi-b.dts -+++ b/arch/arm/boot/dts/bcm2708-rpi-b.dts -@@ -97,6 +97,7 @@ - __overrides__ { - uart0 = <&uart0>,"status"; - uart0_clkrate = <&clk_uart0>,"clock-frequency:0"; -+ uart1_clkrate = <&uart1>,"clock-frequency:0"; - i2s = <&i2s>,"status"; - spi = <&spi0>,"status"; - i2c0 = <&i2c0>,"status"; ---- a/arch/arm/boot/dts/bcm2708-rpi-cm.dts -+++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dts -@@ -79,6 +79,7 @@ - __overrides__ { - uart0 = <&uart0>,"status"; - uart0_clkrate = <&clk_uart0>,"clock-frequency:0"; -+ uart1_clkrate = <&uart1>,"clock-frequency:0"; - i2s = <&i2s>,"status"; - spi = <&spi0>,"status"; - i2c0 = <&i2c0>,"status"; ---- a/arch/arm/boot/dts/bcm2709-rpi-2-b.dts -+++ b/arch/arm/boot/dts/bcm2709-rpi-2-b.dts -@@ -103,6 +103,7 @@ - __overrides__ { - uart0 = <&uart0>,"status"; - uart0_clkrate = <&clk_uart0>,"clock-frequency:0"; -+ uart1_clkrate = <&uart1>,"clock-frequency:0"; - i2s = <&i2s>,"status"; - spi = <&spi0>,"status"; - i2c0 = <&i2c0>,"status"; ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -42,6 +42,7 @@ dtb-$(RPI_DT_OVERLAYS) += sdhost-overlay - dtb-$(RPI_DT_OVERLAYS) += spi-bcm2708-overlay.dtb - dtb-$(RPI_DT_OVERLAYS) += spi-bcm2835-overlay.dtb - dtb-$(RPI_DT_OVERLAYS) += tinylcd35-overlay.dtb -+dtb-$(RPI_DT_OVERLAYS) += uart1-overlay.dtb - dtb-$(RPI_DT_OVERLAYS) += w1-gpio-overlay.dtb - dtb-$(RPI_DT_OVERLAYS) += w1-gpio-pullup-overlay.dtb - ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -489,6 +489,14 @@ Params: speed Display - dtoverlay=tinylcd35,touch,touchgpio=3 - - -+Name: uart1 -+Info: Enable uart1 in place of uart0 -+Load: dtoverlay=uart1,<param>=<val> -+Params: txd1_pin GPIO pin for TXD1 (14, 32 or 40 - default 14) -+ -+ rxd1_pin GPIO pin for RXD1 (15, 33 or 41 - default 15) -+ -+ - Name: w1-gpio - Info: Configures the w1-gpio Onewire interface module. - Use this overlay if you *don't* need a GPIO to drive an external pullup. ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/uart1-overlay.dts -@@ -0,0 +1,38 @@ -+/dts-v1/; -+/plugin/; -+ -+/{ -+ compatible = "brcm,bcm2708"; -+ -+ fragment@0 { -+ target = <&uart1>; -+ __overlay__ { -+ pinctrl-names = "default"; -+ pinctrl-0 = <&uart1_pins>; -+ status = "okay"; -+ }; -+ }; -+ -+ fragment@1 { -+ target = <&gpio>; -+ __overlay__ { -+ uart1_pins: uart1_pins { -+ brcm,pins = <14 15>; -+ brcm,function = <2>; /* alt5 */ -+ brcm,pull = <0 2>; -+ }; -+ }; -+ }; -+ -+ fragment@2 { -+ target-path = "/chosen"; -+ __overlay__ { -+ bootargs = "8250.nr_uarts=1"; -+ }; -+ }; -+ -+ __overrides__ { -+ txd1_pin = <&uart1_pins>,"brcm,pins:0"; -+ rxd1_pin = <&uart1_pins>,"brcm,pins:4"; -+ }; -+}; ---- a/arch/arm/configs/bcm2709_defconfig -+++ b/arch/arm/configs/bcm2709_defconfig -@@ -562,7 +562,7 @@ CONFIG_SERIAL_8250=y - CONFIG_SERIAL_8250_CONSOLE=y - # CONFIG_SERIAL_8250_DMA is not set - CONFIG_SERIAL_8250_NR_UARTS=1 --CONFIG_SERIAL_8250_RUNTIME_UARTS=1 -+CONFIG_SERIAL_8250_RUNTIME_UARTS=0 - CONFIG_SERIAL_AMBA_PL011=y - CONFIG_SERIAL_AMBA_PL011_CONSOLE=y - CONFIG_SERIAL_OF_PLATFORM=y ---- a/arch/arm/configs/bcmrpi_defconfig -+++ b/arch/arm/configs/bcmrpi_defconfig -@@ -555,7 +555,7 @@ CONFIG_SERIAL_8250=y - CONFIG_SERIAL_8250_CONSOLE=y - # CONFIG_SERIAL_8250_DMA is not set - CONFIG_SERIAL_8250_NR_UARTS=1 --CONFIG_SERIAL_8250_RUNTIME_UARTS=1 -+CONFIG_SERIAL_8250_RUNTIME_UARTS=0 - CONFIG_SERIAL_AMBA_PL011=y - CONFIG_SERIAL_AMBA_PL011_CONSOLE=y - CONFIG_SERIAL_OF_PLATFORM=y |