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Subject[PATCH] pch_dma: support new device ML7213 IOH
Date
Support new device OKI SEMICONDUCTOR's ML7213 IOH(Input/Output Hub) which is for
IVI(In-Vehicle Infotainment) use.
The ML7213 is companion chip for Intel Atom E6xx series.
The ML7213 is completely compatible for Intel EG20T PCH.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
---
drivers/dma/Kconfig | 9 +++++++--
drivers/dma/pch_dma.c | 19 ++++++++++++++-----
2 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 6ee2359..1b61d3a 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -200,11 +200,16 @@ config PL330_DMA
platform_data for a dma-pl330 device.

config PCH_DMA
- tristate "Topcliff (Intel EG20T) PCH DMA support"
+ tristate "Intel EG20T PCH / OKI SEMICONDUCTOR ML7213 IOH DMA support"
depends on PCI && X86
select DMA_ENGINE
help
- Enable support for the Topcliff (Intel EG20T) PCH DMA engine.
+ Enable support for Intel EG20T PCH DMA engine.
+
+ 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.

config IMX_SDMA
tristate "i.MX SDMA support"
diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index c064c89..1c38418 100644
--- a/drivers/dma/pch_dma.c
+++ b/drivers/dma/pch_dma.c
@@ -1,6 +1,7 @@
/*
* Topcliff PCH DMA controller driver
* Copyright (c) 2010 Intel Corporation
+ * Copyright (C) 2011 OKI SEMICONDUCTOR CO., LTD.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -921,12 +922,19 @@ static void __devexit pch_dma_remove(struct pci_dev *pdev)
}

/* PCI Device ID of DMA device */
-#define PCI_DEVICE_ID_PCH_DMA_8CH 0x8810
-#define PCI_DEVICE_ID_PCH_DMA_4CH 0x8815
+#define PCI_VENDOR_ID_ROHM 0x10DB
+#define PCI_DEVICE_ID_EG20T_PCH_DMA_8CH 0x8810
+#define PCI_DEVICE_ID_EG20T_PCH_DMA_4CH 0x8815
+#define PCI_DEVICE_ID_ML7213_DMA1_8CH 0x8026
+#define PCI_DEVICE_ID_ML7213_DMA2_8CH 0x802B
+#define PCI_DEVICE_ID_ML7213_DMA3_4CH 0x8034

static const struct pci_device_id pch_dma_id_table[] = {
- { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_PCH_DMA_8CH), 8 },
- { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_PCH_DMA_4CH), 4 },
+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_EG20T_PCH_DMA_8CH), 8 },
+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_EG20T_PCH_DMA_4CH), 4 },
+ { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7213_DMA1_8CH), 8}, /* UART Video */
+ { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7213_DMA2_8CH), 8}, /* PCMIF SPI */
+ { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7213_DMA3_4CH), 4}, /* FPGA */
{ 0, },
};

@@ -954,6 +962,7 @@ static void __exit pch_dma_exit(void)
module_init(pch_dma_init);
module_exit(pch_dma_exit);

-MODULE_DESCRIPTION("Topcliff PCH DMA controller driver");
+MODULE_DESCRIPTION("Intel EG20T PCH / OKI SEMICONDUCTOR ML7213 IOH "
+ "DMA controller driver");
MODULE_AUTHOR("Yong Wang <yong.y.wang@intel.com>");
MODULE_LICENSE("GPL v2");
--
1.6.2.5


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