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1d0b1c74ed
Some matrix keypad drivers can support different numbers of rows and columns. Add a generic binding for these. Implementation note: In order to implement this binding in the kernel, we will need to modify matrix_keypad_() to look up the number of rows and cols in the keymap. Perhaps this could be done by passing 0 for these parameters? Many of the parameters can already be set to NULL. Ick. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
11 lines
320 B
Plaintext
11 lines
320 B
Plaintext
This binding is based on the matrix-keymap binding with the following
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changes:
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keypad,num-rows and keypad,num-columns are required.
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Required properties:
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- compatible: "ti,tca8418"
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- reg: the I2C address
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- interrupts: IRQ line number, should trigger on falling edge
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- linux,keymap: Keys definitions, see keypad-matrix.
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