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Date: Fri, 28 Oct 2011 09:38:49 +0900
From: Tomoya MORINAGA <tomoya-linux@....lapis-semi.com>
To: Alan Cox <alan@...ux.intel.com>, gregkh@...e.de,
linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org
Cc: qi.wang@...el.com, yong.y.wang@...el.com, joel.clark@...el.com,
kok.howg.ewe@...el.com,
Tomoya MORINAGA <tomoya-linux@....lapis-semi.com>
Subject: [PATCH 1/2] pch_uart: Support new device LAPIS Semiconductor ML7831 IOH
ML7831 is companion chip for Intel Atom E6xx series.
Signed-off-by: Tomoya MORINAGA <tomoya-linux@....lapis-semi.com>
---
drivers/tty/serial/Kconfig | 14 +++++++-------
drivers/tty/serial/pch_uart.c | 8 ++++++++
2 files changed, 15 insertions(+), 7 deletions(-)
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 956f2f0..13e5f51 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1560,7 +1560,7 @@ config SERIAL_IFX6X60
Support for the IFX6x60 modem devices on Intel MID platforms.
config SERIAL_PCH_UART
- tristate "Intel EG20T PCH / OKI SEMICONDUCTOR IOH(ML7213/ML7223) UART"
+ tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART"
depends on PCI
select SERIAL_CORE
help
@@ -1568,12 +1568,12 @@ config SERIAL_PCH_UART
which is an IOH(Input/Output Hub) for x86 embedded processor.
Enabling PCH_DMA, this PCH UART works as DMA mode.
- This driver also can be used for OKI SEMICONDUCTOR IOH(Input/
- Output Hub), ML7213 and ML7223.
- ML7213 IOH is for IVI(In-Vehicle Infotainment) use and ML7223 IOH is
- for MP(Media Phone) use.
- ML7213/ML7223 is companion chip for Intel Atom E6xx series.
- ML7213/ML7223 is completely compatible for Intel EG20T PCH.
+ This driver also can be used for LAPIS Semiconductor IOH(Input/
+ Output Hub), ML7213, ML7223 and ML7831.
+ ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
+ for MP(Media Phone) use and ML7831 IOH is for general purpose use.
+ ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
+ ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
config SERIAL_PCH_UART_CONSOLE
bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH"
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 1a076cd..6405dd1 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -265,6 +265,8 @@ enum pch_uart_num_t {
pch_ml7213_uart2,
pch_ml7223_uart0,
pch_ml7223_uart1,
+ pch_ml7831_uart0,
+ pch_ml7831_uart1,
};
static struct pch_uart_driver_data drv_dat[] = {
@@ -277,6 +279,8 @@ static struct pch_uart_driver_data drv_dat[] = {
[pch_ml7213_uart2] = {PCH_UART_2LINE, 2},
[pch_ml7223_uart0] = {PCH_UART_8LINE, 0},
[pch_ml7223_uart1] = {PCH_UART_2LINE, 1},
+ [pch_ml7831_uart0] = {PCH_UART_8LINE, 0},
+ [pch_ml7831_uart1] = {PCH_UART_2LINE, 1},
};
#ifdef CONFIG_SERIAL_PCH_UART_CONSOLE
@@ -1712,6 +1716,10 @@ static DEFINE_PCI_DEVICE_TABLE(pch_uart_pci_id) = {
.driver_data = pch_ml7223_uart0},
{PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x800D),
.driver_data = pch_ml7223_uart1},
+ {PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8811),
+ .driver_data = pch_ml7831_uart0},
+ {PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8812),
+ .driver_data = pch_ml7831_uart1},
{0,},
};
--
1.7.4.4
--
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