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| author | Robin Gong <yibin.gong@nxp.com> | 2024-04-19 18:07:29 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2024-04-25 12:11:18 +0300 |
| commit | d850b5bae0f5e435360edf0474ff446622f0d899 (patch) | |
| tree | 4caaf206cd03e30767ca158157aa32d8db2f88ee /drivers/dma | |
| parent | 1cb49f389d5985bd9ad6ef37f856f368c3120f77 (diff) | |
| download | linux-d850b5bae0f5e435360edf0474ff446622f0d899.tar.xz | |
dmaengine: imx-sdma: Add i2c dma support
New sdma script (sdma-6q: v3.6, sdma-7d: v4.6) support i2c at imx8mp and
imx6ull. So add I2C dma support.
Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Acked-by: Clark Wang <xiaoning.wang@nxp.com>
Reviewed-by: Joy Zou <joy.zou@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20240419150729.1071904-3-Frank.Li@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/imx-sdma.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 4a4d44ed03c8..003e1580b902 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -251,6 +251,8 @@ 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 */ union { s32 v3_end; s32 mcu_2_zqspi_addr; }; /* End of v4 array */ @@ -1082,6 +1084,11 @@ 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; |