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authorMåns Rullgård2015-11-02 02:03:36 +0000
committerWolfram Sang2015-12-15 13:13:00 +0100
commit75d31c2372e4a08319919b14bd160c48305373a1 (patch)
tree080f7a0592d7b64798ee20fd6a5a2820ceddeb0e /drivers/macintosh
parent51549c087f2eb5788de48a7278c3eb169d66f554 (diff)
i2c: xlr: add support for Sigma Designs controller variant
Sigma Designs chips use a variant of this controller with the following differences: - The BUSY bit in the STATUS register is inverted - Bit 8 of the CONFIG register must be set - The controller can generate interrupts This patch adds support for the first two of these. It also calculates and sets the correct clock divisor if a clk is provided. The bus frequency is optionally speficied in the device tree node. Signed-off-by: Mans Rullgard <mans@mansr.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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