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47 lines
1.7 KiB
Diff
47 lines
1.7 KiB
Diff
From 63a0a4d85bc900464c5b046b13808a582345f8c8 Mon Sep 17 00:00:00 2001
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From: Birger Koblitz <git@birger-koblitz.de>
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Date: Sat, 11 Dec 2021 20:14:47 +0100
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Subject: [PATCH] realtek: Add support for RTL9300/RTL9310 I2C controller
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This adds support for the RTL9300 and RTL9310 I2C controller.
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The controller implements the SMBus protocol for SMBus transfers
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over an I2C bus. The driver supports selecting one of the 2 possible
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SCL pins and any of the 8 possible SDA pins. Bus speeds of
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100kHz (standard speed) and 400kHz (high speed I2C) are supported.
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Submitted-by: Birger Koblitz <git@birger-koblitz.de>
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---
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drivers/i2c/busses/Kconfig | 10 +++++++++
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drivers/i2c/busses/Makefile | 1 +
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2 files changed, 11 insertions(+)
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--- a/drivers/i2c/busses/Kconfig
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+++ b/drivers/i2c/busses/Kconfig
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@@ -949,6 +949,16 @@ config I2C_RK3X
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This driver can also be built as a module. If so, the module will
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be called i2c-rk3x.
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+config I2C_RTL9300
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+ tristate "Realtek RTL9300 I2C adapter"
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+ depends on OF
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+ help
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+ Say Y here to include support for the I2C adapter in Realtek RTL9300
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+ and RTL9310 SoCs.
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+
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+ This driver can also be built as a module. If so, the module will
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+ be called i2c-rtl9300.
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+
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config HAVE_S3C2410_I2C
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bool
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help
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--- a/drivers/i2c/busses/Makefile
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+++ b/drivers/i2c/busses/Makefile
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@@ -94,6 +94,7 @@ obj-$(CONFIG_I2C_QCOM_GENI) += i2c-qcom-
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obj-$(CONFIG_I2C_QUP) += i2c-qup.o
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obj-$(CONFIG_I2C_RIIC) += i2c-riic.o
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obj-$(CONFIG_I2C_RK3X) += i2c-rk3x.o
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+obj-$(CONFIG_I2C_RTL9300) += i2c-rtl9300.o
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obj-$(CONFIG_I2C_S3C2410) += i2c-s3c2410.o
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obj-$(CONFIG_I2C_SH7760) += i2c-sh7760.o
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obj-$(CONFIG_I2C_SH_MOBILE) += i2c-sh_mobile.o
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