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53 lines
1.7 KiB
Diff
53 lines
1.7 KiB
Diff
From 80720c83833c6009b68958fff4e1cca712808395 Mon Sep 17 00:00:00 2001
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From: Richard Zhu <hongxing.zhu@nxp.com>
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Date: Thu, 24 Jan 2019 15:07:32 +0800
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Subject: [PATCH] MLK-16095-01 i2c: mux: pca954x: add i2c bus switch PCA9646
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chip support
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Add i2c bus switch PCA9646 chip support, which 2-wire bus switch
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and buffered 4-channel.
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Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
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---
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drivers/i2c/muxes/i2c-mux-pca954x.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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--- a/drivers/i2c/muxes/i2c-mux-pca954x.c
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+++ b/drivers/i2c/muxes/i2c-mux-pca954x.c
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@@ -64,6 +64,7 @@ enum pca_type {
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pca_9546,
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pca_9547,
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pca_9548,
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+ pca_9646,
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pca_9846,
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pca_9847,
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pca_9848,
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@@ -145,6 +146,11 @@ static const struct chip_desc chips[] =
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.muxtype = pca954x_isswi,
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.id = { .manufacturer_id = I2C_DEVICE_ID_NONE },
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},
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+ [pca_9646] = {
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+ .nchans = 4,
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+ .muxtype = pca954x_isswi,
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+ .id = { .manufacturer_id = I2C_DEVICE_ID_NONE },
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+ },
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[pca_9846] = {
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.nchans = 4,
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.muxtype = pca954x_isswi,
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@@ -190,6 +196,7 @@ static const struct i2c_device_id pca954
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{ "pca9546", pca_9546 },
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{ "pca9547", pca_9547 },
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{ "pca9548", pca_9548 },
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+ { "pca9646", pca_9646 },
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{ "pca9846", pca_9846 },
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{ "pca9847", pca_9847 },
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{ "pca9848", pca_9848 },
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@@ -208,6 +215,7 @@ static const struct of_device_id pca954x
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{ .compatible = "nxp,pca9546", .data = &chips[pca_9546] },
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{ .compatible = "nxp,pca9547", .data = &chips[pca_9547] },
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{ .compatible = "nxp,pca9548", .data = &chips[pca_9548] },
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+ { .compatible = "nxp,pca9646", .data = &chips[pca_9646] },
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{ .compatible = "nxp,pca9846", .data = &chips[pca_9846] },
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{ .compatible = "nxp,pca9847", .data = &chips[pca_9847] },
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{ .compatible = "nxp,pca9848", .data = &chips[pca_9848] },
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