From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f196.google.com ([209.85.220.196]:36396 "EHLO mail-qk0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754516AbeDBWma (ORCPT ); Mon, 2 Apr 2018 18:42:30 -0400 Received: by mail-qk0-f196.google.com with SMTP id o205so16723528qke.3 for ; Mon, 02 Apr 2018 15:42:29 -0700 (PDT) Date: Mon, 2 Apr 2018 18:42:00 -0400 From: Douglas Fischer To: jic23@kernel.org, linux-iio@vger.kernel.org Cc: knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net Subject: [PATCH] iio: imu: Add mpu9255 support to mpu6050 driver Message-ID: <20180402184200.0aa65204@Constantine> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org Added support for the mpu9255 IMU to the mpu6050 driver. The register map is the same as the other chips; the only driver difference is the compatible string and the WHOAMI register value. Signed-off-by: Douglas Fischer --- diff -uprN linux-4.16.orig/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt linux-4.16/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt --- linux-4.16.orig/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt 2018-04-01 17:20:27.000000000 -0400 +++ linux-4.16/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt 2018-04-02 18:31:38.342464417 -0400 @@ -8,6 +8,7 @@ Required properties: "invensense,mpu6500" "invensense,mpu9150" "invensense,mpu9250" + "invensense,mpu9255" "invensense,icm20608" - reg : the I2C address of the sensor - interrupt-parent : should be the phandle for the interrupt controller diff -uprN linux-4.16.orig/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c linux-4.16/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c --- linux-4.16.orig/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c 2018-04-01 17:20:27.000000000 -0400 +++ linux-4.16/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c 2018-04-02 18:31:38.345464417 -0400 @@ -121,6 +121,12 @@ static const struct inv_mpu6050_hw hw_in .config = &chip_config_6050, }, { + .whoami = INV_MPU9255_WHOAMI_VALUE, + .name = "MPU9255", + .reg = ®_set_6500, + .config = &chip_config_6050, + }, + { .whoami = INV_ICM20608_WHOAMI_VALUE, .name = "ICM20608", .reg = ®_set_6500, diff -uprN linux-4.16.orig/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c linux-4.16/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c --- linux-4.16.orig/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c 2018-04-01 17:20:27.000000000 -0400 +++ linux-4.16/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c 2018-04-02 18:31:38.348464417 -0400 @@ -179,6 +179,7 @@ static const struct i2c_device_id inv_mp {"mpu6500", INV_MPU6500}, {"mpu9150", INV_MPU9150}, {"mpu9250", INV_MPU9250}, + {"mpu9255", INV_MPU9255}, {"icm20608", INV_ICM20608}, {} }; @@ -203,6 +204,10 @@ static const struct of_device_id inv_of_ .data = (void *)INV_MPU9250 }, { + .compatible = "invensense,mpu9255", + .data = (void *)INV_MPU9255 + }, + { .compatible = "invensense,icm20608", .data = (void *)INV_ICM20608 }, diff -uprN linux-4.16.orig/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h linux-4.16/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h --- linux-4.16.orig/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h 2018-04-01 17:20:27.000000000 -0400 +++ linux-4.16/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h 2018-04-02 18:31:38.351464416 -0400 @@ -74,6 +74,7 @@ enum inv_devices { INV_MPU6000, INV_MPU9150, INV_MPU9250, + INV_MPU9255, INV_ICM20608, INV_NUM_PARTS }; @@ -232,6 +233,7 @@ struct inv_mpu6050_state { #define INV_MPU6500_WHOAMI_VALUE 0x70 #define INV_MPU9150_WHOAMI_VALUE 0x68 #define INV_MPU9250_WHOAMI_VALUE 0x71 +#define INV_MPU9255_WHOAMI_VALUE 0x73 #define INV_ICM20608_WHOAMI_VALUE 0xAF /* scan element definition */ diff -uprN linux-4.16.orig/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c linux-4.16/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c --- linux-4.16.orig/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c 2018-04-01 17:20:27.000000000 -0400 +++ linux-4.16/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c 2018-04-02 18:31:38.356464416 -0400 @@ -83,6 +83,7 @@ static const struct spi_device_id inv_mp {"mpu6500", INV_MPU6500}, {"mpu9150", INV_MPU9150}, {"mpu9250", INV_MPU9250}, + {"mpu9255", INV_MPU9255}, {"icm20608", INV_ICM20608}, {} };