diff mbox series

[4/4] dmaengine: imx-sdma: Add i2c dma support

Message ID 20240303-sdma_upstream-v1-4-869cd0165b09@nxp.com
State New
Headers
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

Fabio Estevam March 4, 2024, 11:12 a.m. UTC | #1 
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 mbox series

Patch

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 {