diff options
| author | Max Krummenacher <max.krummenacher@toradex.com> | 2016-03-08 15:02:41 +0100 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-01-10 23:13:22 +0100 |
| commit | 469784d0944e2d1aef0db8589e30d10bbb304639 (patch) | |
| tree | 332a193c9fbf5d8d39ac17b8e85a20b773500438 | |
| parent | c4a8fe57c3953de8c11481120875029e09d534fc (diff) | |
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 <max.krummenacher@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
(cherry picked from commit c34080f3883684576b7629b3571dc9a1e018d511)
| -rw-r--r-- | arch/arm/boot/dts/imx6dl-colibri-cam-eval-v3.dts | 2 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts | 2 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl-apalis-eval.dtsi | 4 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl-apalis-ixora.dtsi | 2 |
4 files changed, 5 insertions, 5 deletions
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>; }; }; |