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authorTomoya MORINAGA <tomoya.rohm@gmail.com>2011-11-17 16:14:23 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-04-22 16:21:44 -0700
commit127f90d6ff47e9095261f442d1ad511930cd7fd4 (patch)
tree826869d618825ef15fa4fefd5683d84a03c1cd5d
parent5e051465ef7ef611bcf6cb83d4dd85483417276f (diff)
pch_dma: Support new device LAPIS Semiconductor ML7831 IOH
commit ca7fe2db892dcf91b2c72ee352eda4ff867903a7 upstream. ML7831 is companion chip for Intel Atom E6xx series. Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/dma/Kconfig13
-rw-r--r--drivers/dma/pch_dma.c8
2 files changed, 12 insertions, 9 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 25cf327cd1cb..6a718b77a2b1 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -200,18 +200,17 @@ config PL330_DMA
platform_data for a dma-pl330 device.
config PCH_DMA
- tristate "Intel EG20T PCH / OKI Semi IOH(ML7213/ML7223) DMA support"
+ tristate "Intel EG20T PCH / OKI Semi IOH(ML7213/ML7223/ML7831) DMA support"
depends on PCI && X86
select DMA_ENGINE
help
Enable support for Intel EG20T PCH DMA engine.
-
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.
+ 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 IMX_SDMA
tristate "i.MX SDMA support"
diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index 42bcc80bd135..1ed89d0a1bda 100644
--- a/drivers/dma/pch_dma.c
+++ b/drivers/dma/pch_dma.c
@@ -1021,6 +1021,8 @@ static void __devexit pch_dma_remove(struct pci_dev *pdev)
#define PCI_DEVICE_ID_ML7223_DMA2_4CH 0x800E
#define PCI_DEVICE_ID_ML7223_DMA3_4CH 0x8017
#define PCI_DEVICE_ID_ML7223_DMA4_4CH 0x803B
+#define PCI_DEVICE_ID_ML7831_DMA1_8CH 0x8810
+#define PCI_DEVICE_ID_ML7831_DMA2_4CH 0x8815
DEFINE_PCI_DEVICE_TABLE(pch_dma_id_table) = {
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_EG20T_PCH_DMA_8CH), 8 },
@@ -1033,6 +1035,8 @@ DEFINE_PCI_DEVICE_TABLE(pch_dma_id_table) = {
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7223_DMA2_4CH), 4}, /* Video SPI */
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7223_DMA3_4CH), 4}, /* Security */
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7223_DMA4_4CH), 4}, /* FPGA */
+ { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7831_DMA1_8CH), 8}, /* UART */
+ { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7831_DMA2_4CH), 4}, /* SPI */
{ 0, },
};
@@ -1060,7 +1064,7 @@ static void __exit pch_dma_exit(void)
module_init(pch_dma_init);
module_exit(pch_dma_exit);
-MODULE_DESCRIPTION("Intel EG20T PCH / OKI SEMICONDUCTOR ML7213 IOH "
- "DMA controller driver");
+MODULE_DESCRIPTION("Intel EG20T PCH / OKI SEMICON ML7213/ML7223/ML7831 IOH"
+ "DMA controller driver");
MODULE_AUTHOR("Yong Wang <yong.y.wang@intel.com>");
MODULE_LICENSE("GPL v2");