Re: [PATCH 1/2] pch_dma: Support new device LAPIS SemiconductorML7831 IOH

From: Vinod Koul
Date: Mon Oct 31 2011 - 00:21:38 EST


On Fri, 2011-10-28 at 09:29 +0900, Tomoya MORINAGA wrote:
> ML7831 is companion chip for Intel Atom E6xx series.
>
> Signed-off-by: Tomoya MORINAGA <tomoya-linux@xxxxxxxxxxxxxxxxxx>
> ---
> drivers/dma/Kconfig | 14 +++++++-------
> drivers/dma/pch_dma.c | 6 +++++-
> 2 files changed, 12 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
> index ab8f469..22439e2 100644
> --- a/drivers/dma/Kconfig
> +++ b/drivers/dma/Kconfig
> @@ -201,18 +201,18 @@ 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 / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
Shouldn't this be in 2/2 where you are doing the name change
> 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.
> + 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 IMX_SDMA
> tristate "i.MX SDMA support"
> diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
> index a6d0e3d..a46bedb 100644
> --- a/drivers/dma/pch_dma.c
> +++ b/drivers/dma/pch_dma.c
> @@ -1018,6 +1018,8 @@ 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 },
> @@ -1030,6 +1032,8 @@ 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, },
> };
>
> @@ -1057,7 +1061,7 @@ 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 "
> +MODULE_DESCRIPTION("Intel EG20T PCH/OKI SEMICONDUCTOR ML7213/ML7223/ML7831 IOH "
> "DMA controller driver");
> MODULE_AUTHOR("Yong Wang <yong.y.wang@xxxxxxxxx>");
> MODULE_LICENSE("GPL v2");


--
~Vinod

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