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gpio: pca953x: add more register definitions for pcal953x
PCAL chips ("L" seems to stand for "latched") have additional registers starting at address 0x40 to control the latches, interrupt mask, pull-up and pull down etc. Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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@ -41,9 +41,13 @@
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#define PCA957X_MSK 0x06
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#define PCA957X_INTS 0x07
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#define PCAL953X_OUT_STRENGTH 0x20
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#define PCAL953X_IN_LATCH 0x22
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#define PCAL953X_PULL_EN 0x23
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#define PCAL953X_PULL_SEL 0x24
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#define PCAL953X_INT_MASK 0x25
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#define PCAL953X_INT_STAT 0x26
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#define PCAL953X_OUT_CONF 0x27
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#define PCA_GPIO_MASK 0x00FF
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#define PCA_INT 0x0100
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