| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | From 80720c83833c6009b68958fff4e1cca712808395 Mon Sep 17 00:00:00 2001 |
| 2 | From: Richard Zhu <hongxing.zhu@nxp.com> |
| 3 | Date: Thu, 24 Jan 2019 15:07:32 +0800 |
| 4 | Subject: [PATCH] MLK-16095-01 i2c: mux: pca954x: add i2c bus switch PCA9646 |
| 5 | chip support |
| 6 | |
| 7 | Add i2c bus switch PCA9646 chip support, which 2-wire bus switch |
| 8 | and buffered 4-channel. |
| 9 | |
| 10 | Signed-off-by: Fugang Duan <fugang.duan@nxp.com> |
| 11 | --- |
| 12 | drivers/i2c/muxes/i2c-mux-pca954x.c | 8 ++++++++ |
| 13 | 1 file changed, 8 insertions(+) |
| 14 | |
| 15 | --- a/drivers/i2c/muxes/i2c-mux-pca954x.c |
| 16 | +++ b/drivers/i2c/muxes/i2c-mux-pca954x.c |
| 17 | @@ -64,6 +64,7 @@ enum pca_type { |
| 18 | pca_9546, |
| 19 | pca_9547, |
| 20 | pca_9548, |
| 21 | + pca_9646, |
| 22 | pca_9846, |
| 23 | pca_9847, |
| 24 | pca_9848, |
| 25 | @@ -145,6 +146,11 @@ static const struct chip_desc chips[] = |
| 26 | .muxtype = pca954x_isswi, |
| 27 | .id = { .manufacturer_id = I2C_DEVICE_ID_NONE }, |
| 28 | }, |
| 29 | + [pca_9646] = { |
| 30 | + .nchans = 4, |
| 31 | + .muxtype = pca954x_isswi, |
| 32 | + .id = { .manufacturer_id = I2C_DEVICE_ID_NONE }, |
| 33 | + }, |
| 34 | [pca_9846] = { |
| 35 | .nchans = 4, |
| 36 | .muxtype = pca954x_isswi, |
| 37 | @@ -190,6 +196,7 @@ static const struct i2c_device_id pca954 |
| 38 | { "pca9546", pca_9546 }, |
| 39 | { "pca9547", pca_9547 }, |
| 40 | { "pca9548", pca_9548 }, |
| 41 | + { "pca9646", pca_9646 }, |
| 42 | { "pca9846", pca_9846 }, |
| 43 | { "pca9847", pca_9847 }, |
| 44 | { "pca9848", pca_9848 }, |
| 45 | @@ -208,6 +215,7 @@ static const struct of_device_id pca954x |
| 46 | { .compatible = "nxp,pca9546", .data = &chips[pca_9546] }, |
| 47 | { .compatible = "nxp,pca9547", .data = &chips[pca_9547] }, |
| 48 | { .compatible = "nxp,pca9548", .data = &chips[pca_9548] }, |
| 49 | + { .compatible = "nxp,pca9646", .data = &chips[pca_9646] }, |
| 50 | { .compatible = "nxp,pca9846", .data = &chips[pca_9846] }, |
| 51 | { .compatible = "nxp,pca9847", .data = &chips[pca_9847] }, |
| 52 | { .compatible = "nxp,pca9848", .data = &chips[pca_9848] }, |