This is a note to let you know that I've just added the patch titled
ARM: dts: LogicPD Torpedo: Fix I2C1 pinmux
to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: arm-dts-logicpd-torpedo-fix-i2c1-pinmux.patch and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From 74402055a2d3ec998a1ded599e86185a27d9bbf4 Mon Sep 17 00:00:00 2001
From: Adam Ford aford173@gmail.com Date: Thu, 25 Jan 2018 14:10:37 -0600 Subject: ARM: dts: LogicPD Torpedo: Fix I2C1 pinmux
From: Adam Ford aford173@gmail.com
commit 74402055a2d3ec998a1ded599e86185a27d9bbf4 upstream.
The pinmuxing was missing for I2C1 which was causing intermittent issues with the PMIC which is connected to I2C1. The bootloader did not quite configure the I2C1 either, so when running at 2.6MHz, it was generating errors at time.
This correctly sets the I2C1 pinmuxing so it can operate at 2.6MHz
Fixes: 687c27676151 ("ARM: dts: Add minimal support for LogicPD Torpedo DM3730 devkit")
Signed-off-by: Adam Ford aford173@gmail.com Signed-off-by: Tony Lindgren tony@atomide.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/arm/boot/dts/logicpd-torpedo-som.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+)
--- a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi +++ b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi @@ -90,6 +90,8 @@ };
&i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins>; clock-frequency = <2600000>;
twl: twl@48 { @@ -137,6 +139,12 @@ OMAP3_CORE1_IOPAD(0x218e, PIN_OUTPUT | MUX_MODE4) /* mcbsp1_fsr.gpio_157 */ >; }; + i2c1_pins: pinmux_i2c1_pins { + pinctrl-single,pins = < + OMAP3_CORE1_IOPAD(0x21ba, PIN_INPUT | MUX_MODE0) /* i2c1_scl.i2c1_scl */ + OMAP3_CORE1_IOPAD(0x21bc, PIN_INPUT | MUX_MODE0) /* i2c1_sda.i2c1_sda */ + >; + }; };
&omap3_pmx_core2 {
Patches currently in stable-queue which might be from aford173@gmail.com are
queue-4.4/arm-dts-logicpd-torpedo-fix-i2c1-pinmux.patch