From 24f938ba8dde1b13344087036fe71815a5ca0020 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Mon, 18 Jan 2016 16:39:33 +0100 Subject: [PATCH] ARM64: zcu102: Fix i2c gpio GT muxes description Add simple u-boot i2c command to know how to setup GPIO gt outputs. Signed-off-by: Michal Simek --- arch/arm/dts/zynqmp-zcu102.dts | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/arm/dts/zynqmp-zcu102.dts b/arch/arm/dts/zynqmp-zcu102.dts index d5a17ba216a..3bb291c3b77 100644 --- a/arch/arm/dts/zynqmp-zcu102.dts +++ b/arch/arm/dts/zynqmp-zcu102.dts @@ -110,7 +110,13 @@ status = "okay"; clock-frequency = <400000>; - tca6416_u97: gpio@20 { /* FIXME enable it by i2c mw 20 6 1 */ + tca6416_u97: gpio@20 { + /* + * Enable all GTs to out from U-Boot + * i2c mw 20 6 0 - setup IO to output + * i2c mw 20 2 ef - setup output values on pins 0-7 + * i2c mw 20 3 ff - setup output values on pins 10-17 + */ compatible = "ti,tca6416"; reg = <0x20>; gpio-controller; -- 2.47.3