Message ID | 20240303-sdma_upstream-v1-4-869cd0165b09@nxp.com |
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State | New |
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Series | dmaengine: fsl-sdma: Some improvement for fsl-sdma | |
Commit Message
Frank Li
March 4, 2024, 4:32 a.m. UTC
From: Robin Gong <yibin.gong@nxp.com> New sdma script support i2c. So add I2C dma support. Signed-off-by: Robin Gong <yibin.gong@nxp.com> Acked-by: Clark Wang <xiaoning.wang@nxp.com> Signed-off-by: Frank Li <Frank.Li@nxp.com> --- drivers/dma/imx-sdma.c | 7 +++++++ include/linux/dma/imx-dma.h | 1 + 2 files changed, 8 insertions(+)
Comments
On Mon, Mar 4, 2024 at 1:33 AM Frank Li <Frank.Li@nxp.com> wrote: > > From: Robin Gong <yibin.gong@nxp.com> > > New sdma script support i2c. So add I2C dma support. What is the SDMA firmware version that corresponds to this "new SDMA script"? In which SoC has this been tested?
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 9b133990afa39..832be7eccb335 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -247,6 +247,8 @@ struct sdma_script_start_addrs { s32 sai_2_mcu_addr; s32 uart_2_mcu_rom_addr; s32 uartsh_2_mcu_rom_addr; + s32 i2c_2_mcu_addr; + s32 mcu_2_i2c_addr; /* End of v3 array */ s32 mcu_2_zqspi_addr; /* End of v4 array */ @@ -1078,6 +1080,11 @@ static int sdma_get_pc(struct sdma_channel *sdmac, per_2_emi = sdma->script_addrs->sai_2_mcu_addr; emi_2_per = sdma->script_addrs->mcu_2_sai_addr; break; + case IMX_DMATYPE_I2C: + per_2_emi = sdma->script_addrs->i2c_2_mcu_addr; + emi_2_per = sdma->script_addrs->mcu_2_i2c_addr; + sdmac->is_ram_script = true; + break; case IMX_DMATYPE_HDMI: emi_2_per = sdma->script_addrs->hdmi_dma_addr; sdmac->is_ram_script = true; diff --git a/include/linux/dma/imx-dma.h b/include/linux/dma/imx-dma.h index cfec5f946e237..76a8de9ae1517 100644 --- a/include/linux/dma/imx-dma.h +++ b/include/linux/dma/imx-dma.h @@ -41,6 +41,7 @@ enum sdma_peripheral_type { IMX_DMATYPE_SAI, /* SAI */ IMX_DMATYPE_MULTI_SAI, /* MULTI FIFOs For Audio */ IMX_DMATYPE_HDMI, /* HDMI Audio */ + IMX_DMATYPE_I2C, /* I2C */ }; enum imx_dma_prio {