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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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spi: omap2_mcspi handles omap3 too
This adds driver OMAP SPI specific changes to support OMAP 3430 Signed-off-by: Girish S G <girishsg@ti.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -144,10 +144,10 @@ config SPI_OMAP_UWIRE
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This hooks up to the MicroWire controller on OMAP1 chips.
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config SPI_OMAP24XX
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tristate "McSPI driver for OMAP24xx"
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depends on SPI_MASTER && ARCH_OMAP24XX
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tristate "McSPI driver for OMAP24xx/OMAP34xx"
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depends on SPI_MASTER && (ARCH_OMAP24XX || ARCH_OMAP34XX)
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help
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SPI master controller for OMAP24xx Multichannel SPI
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SPI master controller for OMAP24xx/OMAP34xx Multichannel SPI
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(McSPI) modules.
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config SPI_PXA2XX
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@ -915,6 +915,28 @@ static u8 __initdata spi2_txdma_id[] = {
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OMAP24XX_DMA_SPI2_TX1,
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};
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#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX)
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static u8 __initdata spi3_rxdma_id[] = {
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OMAP24XX_DMA_SPI3_RX0,
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OMAP24XX_DMA_SPI3_RX1,
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};
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static u8 __initdata spi3_txdma_id[] = {
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OMAP24XX_DMA_SPI3_TX0,
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OMAP24XX_DMA_SPI3_TX1,
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};
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#endif
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#ifdef CONFIG_ARCH_OMAP3
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static u8 __initdata spi4_rxdma_id[] = {
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OMAP34XX_DMA_SPI4_RX0,
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};
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static u8 __initdata spi4_txdma_id[] = {
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OMAP34XX_DMA_SPI4_TX0,
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};
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#endif
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static int __init omap2_mcspi_probe(struct platform_device *pdev)
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{
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struct spi_master *master;
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@ -935,7 +957,20 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev)
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txdma_id = spi2_txdma_id;
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num_chipselect = 2;
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break;
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/* REVISIT omap2430 has a third McSPI ... */
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#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3)
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case 3:
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rxdma_id = spi3_rxdma_id;
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txdma_id = spi3_txdma_id;
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num_chipselect = 2;
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break;
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#endif
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#ifdef CONFIG_ARCH_OMAP3
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case 4:
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rxdma_id = spi4_rxdma_id;
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txdma_id = spi4_txdma_id;
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num_chipselect = 1;
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break;
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#endif
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default:
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return -EINVAL;
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}
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