ARM: dts: socfpga: set desired i2c clock on Cyclone5 and Arria5 devkits
The I2C LCD display on the Cyclone5 and Arria5 devkits is only capable of the standard 100 kHz clock. Set the "clock-frequency" of the I2C node to be 100000. Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>zero-colors
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@ -98,6 +98,14 @@
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&i2c0 {
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status = "okay";
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clock-frequency = <100000>;
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/*
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* adjust the falling times to decrease the i2c frequency to 50Khz
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* because the LCD module does not work at the standard 100Khz
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*/
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i2c-sda-falling-time-ns = <5000>;
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i2c-scl-falling-time-ns = <5000>;
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eeprom@51 {
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compatible = "atmel,24c32";
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@ -98,6 +98,14 @@
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&i2c0 {
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status = "okay";
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clock-frequency = <100000>;
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/*
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* adjust the falling times to decrease the i2c frequency to 50Khz
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* because the LCD module does not work at the standard 100Khz
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*/
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i2c-sda-falling-time-ns = <5000>;
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i2c-scl-falling-time-ns = <5000>;
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eeprom@51 {
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compatible = "atmel,24c32";
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