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Sunxi platforms come with at least 3 TWI (I2C) controllers and some platforms even have up to 5. This adds support for every controller on each supported platform, which is especially useful when using expansion ports on single-board- computers. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
30 lines
702 B
C
30 lines
702 B
C
/*
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* Copyright 2014 - Hans de Goede <hdegoede@redhat.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _SUNXI_I2C_H_
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#define _SUNXI_I2C_H_
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#include <asm/arch/cpu.h>
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#ifdef CONFIG_I2C0_ENABLE
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#define CONFIG_I2C_MVTWSI_BASE0 SUNXI_TWI0_BASE
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#endif
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#ifdef CONFIG_I2C1_ENABLE
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#define CONFIG_I2C_MVTWSI_BASE1 SUNXI_TWI1_BASE
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#endif
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#ifdef CONFIG_I2C2_ENABLE
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#define CONFIG_I2C_MVTWSI_BASE2 SUNXI_TWI2_BASE
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#endif
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#ifdef CONFIG_I2C3_ENABLE
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#define CONFIG_I2C_MVTWSI_BASE3 SUNXI_TWI3_BASE
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#endif
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#ifdef CONFIG_I2C4_ENABLE
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#define CONFIG_I2C_MVTWSI_BASE4 SUNXI_TWI4_BASE
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#endif
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/* This is abp0-clk on sun4i/5i/7i / abp1-clk on sun6i/sun8i which is 24MHz */
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#define CONFIG_SYS_TCLK 24000000
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#endif
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