[PATCH v8 2/3] I2C: mediatek: Add driver for MediaTek I2C controller
From: matthias.bgg@gmail.com (Matthias Brugger)
Date: 2015-05-19 14:48:31
Also in:
linux-devicetree, linux-i2c, linux-mediatek, lkml
2015-05-18 20:43 GMT+02:00 Uwe Kleine-K?nig [off-list ref]:
Hello, On Tue, May 19, 2015 at 12:40:08AM +0800, Eddie Huang wrote:quoted
From: Xudong Chen <redacted> The mediatek SoCs have I2C controller that handle I2C transfer. This patch include common I2C bus driver. This driver is compatible with I2C controller on mt65xx/mt81xx. Signed-off-by: Xudong Chen <redacted> Signed-off-by: Liguo Zhang <redacted> Signed-off-by: Eddie Huang <eddie.huang@mediatek.com> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> --- drivers/i2c/busses/Kconfig | 9 + drivers/i2c/busses/Makefile | 1 + drivers/i2c/busses/i2c-mt65xx.c | 675 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 685 insertions(+) create mode 100644 drivers/i2c/busses/i2c-mt65xx.cdiff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 2255af2..14c7266 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig@@ -620,6 +620,15 @@ config I2C_MPC This driver can also be built as a module. If so, the module will be called i2c-mpc. +config I2C_MT65XX + tristate "MediaTek I2C adapter" + depends on ARCH_MEDIATEK || COMPILE_TEST + help + This selects the MediaTek(R) Integrated Inter Circuit bus driver + for MT65xx and MT81xx. + If you want to use MediaTek(R) I2C interface, say Y or M here. + If unsure, say N. + config I2C_MV64XXX tristate "Marvell mv64xxx I2C Controller" depends on MV64X60 || PLAT_ORION || ARCH_SUNXIdiff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile index cdf941d..abbf422 100644 --- a/drivers/i2c/busses/Makefile +++ b/drivers/i2c/busses/Makefile@@ -60,6 +60,7 @@ obj-$(CONFIG_I2C_JZ4780) += i2c-jz4780.o obj-$(CONFIG_I2C_KEMPLD) += i2c-kempld.o obj-$(CONFIG_I2C_MESON) += i2c-meson.o obj-$(CONFIG_I2C_MPC) += i2c-mpc.o +obj-$(CONFIG_I2C_MT65XX) += i2c-mt65xx.o obj-$(CONFIG_I2C_MV64XXX) += i2c-mv64xxx.o obj-$(CONFIG_I2C_MXS) += i2c-mxs.o obj-$(CONFIG_I2C_NOMADIK) += i2c-nomadik.odiff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c new file mode 100644 index 0000000..7462f05 --- /dev/null +++ b/drivers/i2c/busses/i2c-mt65xx.c@@ -0,0 +1,675 @@ +/* + * Copyright (c) 2014 MediaTek Inc. + * Author: Xudong.chen <xudong.chen@mediatek.com>s/Xudong.chen/Xudong Chen/quoted
+#define I2C_DRV_NAME "mt-i2c"i2c-mt65xx ?
As this works for all SoCs so far, I would propose: i2c-mtk -- motzblog.wordpress.com