2011-05-09 08:25:42

by Tomoya MORINAGA

Subject: [PATCH] pch_uart: Support new device ML7223 IOH

Support new device OKI SEMICONDUCTOR ML7223 IOH(Input/Output Hub).
The ML7223 IOH is for MP(Media Phone) use.
The ML7223 is companion chip for Intel Atom E6xx series.
The ML7223 is completely compatible for Intel EG20T PCH.

Signed-off-by: Tomoya MORINAGA <[email protected]>
---
drivers/tty/serial/Kconfig | 12 +++++++-----
drivers/tty/serial/pch_uart.c | 8 ++++++++
2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 80484af..2b9f47b 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1577,7 +1577,7 @@ config SERIAL_IFX6X60
Support for the IFX6x60 modem devices on Intel MID platforms.

config SERIAL_PCH_UART
- tristate "Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH"
+ tristate "Intel EG20T PCH / OKI SEMICONDUCTOR IOH(ML7213/ML7223) UART"
depends on PCI
select SERIAL_CORE
help
@@ -1585,10 +1585,12 @@ 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 ML7213 IOH(Input/
- Output Hub) which is for IVI(In-Vehicle Infotainment) use.
- ML7213 is companion chip for Intel Atom E6xx series.
- ML7213 is completely compatible for Intel EG20T PCH.
+ 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.

config SERIAL_MSM_SMD
bool "Enable tty device interface for some SMD ports"
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 26403b8..c63d0d1 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -253,6 +253,8 @@ enum pch_uart_num_t {
pch_ml7213_uart0,
pch_ml7213_uart1,
pch_ml7213_uart2,
+ pch_ml7223_uart0,
+ pch_ml7223_uart1,
};

static struct pch_uart_driver_data drv_dat[] = {
@@ -263,6 +265,8 @@ static struct pch_uart_driver_data drv_dat[] = {
[pch_ml7213_uart0] = {PCH_UART_8LINE, 0},
[pch_ml7213_uart1] = {PCH_UART_2LINE, 1},
[pch_ml7213_uart2] = {PCH_UART_2LINE, 2},
+ [pch_ml7223_uart0] = {PCH_UART_8LINE, 0},
+ [pch_ml7223_uart1] = {PCH_UART_2LINE, 1},
};

static unsigned int default_baud = 9600;
@@ -1534,6 +1538,10 @@ static DEFINE_PCI_DEVICE_TABLE(pch_uart_pci_id) = {
.driver_data = pch_ml7213_uart1},
{PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8029),
.driver_data = pch_ml7213_uart2},
+ {PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x800C),
+ .driver_data = pch_ml7223_uart0},
+ {PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x800D),
+ .driver_data = pch_ml7223_uart1},
{0,},
};

--
1.7.4

2011-05-09 11:05:50

by Alan

Subject: Re: [PATCH] pch_uart: Support new device ML7223 IOH

On Mon, 9 May 2011 17:25:20 +0900
Tomoya MORINAGA <[email protected]> wrote:

> Support new device OKI SEMICONDUCTOR ML7223 IOH(Input/Output Hub).
> The ML7223 IOH is for MP(Media Phone) use.
> The ML7223 is companion chip for Intel Atom E6xx series.
> The ML7223 is completely compatible for Intel EG20T PCH.
>
> Signed-off-by: Tomoya MORINAGA <[email protected]>

Acked-by: Alan Cox <[email protected]>