From 0bb38d19090dc611c8bc9c18e770620c73f7563c Mon Sep 17 00:00:00 2001 From: Max Krummenacher Date: Tue, 8 Mar 2016 15:02:41 +0100 Subject: imx6 device-tree: reduce SPI clock to datasheet maximum According to the datasheet the SPI clock (for read) must not exceed 1 / 55ns for i.MX6Q/D and 1 / 43ns for i.MX6DL/S. Reflect that correctly in the device tree. Signed-off-by: Max Krummenacher Acked-by: Marcel Ziswiler --- arch/arm/boot/dts/imx6dl-colibri-cam-eval-v3.dts | 2 +- arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts | 2 +- arch/arm/boot/dts/imx6qdl-apalis-eval.dtsi | 4 ++-- arch/arm/boot/dts/imx6qdl-apalis-ixora.dtsi | 2 +- 4 files changed, 5 insertions(+), 5 deletions(-) (limited to 'arch') diff --git a/arch/arm/boot/dts/imx6dl-colibri-cam-eval-v3.dts b/arch/arm/boot/dts/imx6dl-colibri-cam-eval-v3.dts index 2c990227423e..b603bf7ce39f 100644 --- a/arch/arm/boot/dts/imx6dl-colibri-cam-eval-v3.dts +++ b/arch/arm/boot/dts/imx6dl-colibri-cam-eval-v3.dts @@ -120,7 +120,7 @@ spidev0: spidev@1 { compatible = "spidev"; reg = <0>; - spi-max-frequency = <50000000>; + spi-max-frequency = <23000000>; }; }; diff --git a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts index 1c7191d8094a..3a2121e8a795 100644 --- a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts +++ b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts @@ -117,7 +117,7 @@ spidev0: spidev@1 { compatible = "spidev"; reg = <0>; - spi-max-frequency = <50000000>; + spi-max-frequency = <23000000>; }; }; diff --git a/arch/arm/boot/dts/imx6qdl-apalis-eval.dtsi b/arch/arm/boot/dts/imx6qdl-apalis-eval.dtsi index d14328b867ba..0e9ce5797da6 100644 --- a/arch/arm/boot/dts/imx6qdl-apalis-eval.dtsi +++ b/arch/arm/boot/dts/imx6qdl-apalis-eval.dtsi @@ -139,7 +139,7 @@ spidev0: spidev@1 { compatible = "spidev"; reg = <0>; - spi-max-frequency = <50000000>; + spi-max-frequency = <18000000>; }; }; @@ -150,7 +150,7 @@ spidev1: spidev@2 { compatible = "spidev"; reg = <0>; - spi-max-frequency = <50000000>; + spi-max-frequency = <18000000>; }; }; diff --git a/arch/arm/boot/dts/imx6qdl-apalis-ixora.dtsi b/arch/arm/boot/dts/imx6qdl-apalis-ixora.dtsi index 07bd5093aa05..b54e6aef11c1 100644 --- a/arch/arm/boot/dts/imx6qdl-apalis-ixora.dtsi +++ b/arch/arm/boot/dts/imx6qdl-apalis-ixora.dtsi @@ -141,7 +141,7 @@ spidev0: spidev@1 { compatible = "spidev"; reg = <0>; - spi-max-frequency = <50000000>; + spi-max-frequency = <18000000>; }; }; -- cgit v1.2.3