From 164c10aed934332390826cae45ad81ad0fef39cb Mon Sep 17 00:00:00 2001 From: Fabrice Gasnier Date: Tue, 23 Jun 2020 11:31:12 +0200 Subject: [PATCH] ARM: dts: stm32: configure i2c5 support on stm32mp15xx-dkx Configure I2C5 on stm32mp15 DK boards. It's available and can be used on: - Arduino connector - GPIO expansion connector Keep it disabled by default, so the pins are kept in their initial state to lower power consumption. This way they can also be used as GPIO. Signed-off-by: Fabrice Gasnier Signed-off-by: Alain Volmat Signed-off-by: Alexandre Torgue --- arch/arm/boot/dts/stm32mp15xx-dkx.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi index 493f3b1112e1..62b1e71fc7eb 100644 --- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi +++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi @@ -365,6 +365,19 @@ }; }; +&i2c5 { + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&i2c5_pins_a>; + pinctrl-1 = <&i2c5_sleep_pins_a>; + i2c-scl-rising-time-ns = <185>; + i2c-scl-falling-time-ns = <20>; + clock-frequency = <400000>; + /* spare dmas for other usage */ + /delete-property/dmas; + /delete-property/dma-names; + status = "disabled"; +}; + &i2s2 { clocks = <&rcc SPI2>, <&rcc SPI2_K>, <&rcc PLL3_Q>, <&rcc PLL3_R>; clock-names = "pclk", "i2sclk", "x8k", "x11k"; -- 2.39.5