From 4e855501d3a89e3840981309012907ccc4cd0e05 Mon Sep 17 00:00:00 2001 From: Robin Gong Date: Sat, 9 Jan 2021 01:41:20 +0800 Subject: [PATCH] MLK-25266: dmaengine: imx-sdma: add i2c dma support add new i2c dma script. Signed-off-by: Robin Gong Acked-by: Clark Wang --- drivers/dma/imx-sdma.c | 9 +++++++-- include/linux/platform_data/dma-imx-sdma.h | 2 ++ include/linux/platform_data/dma-imx.h | 1 + 3 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 07888b892b62..298fb5b1d3ce 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1101,6 +1101,11 @@ static void 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; sdmac->is_ram_script = true; + 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; default: break; } @@ -2012,8 +2017,8 @@ static void sdma_issue_pending(struct dma_chan *chan) #define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1 34 #define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V2 38 -#define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V3 45 -#define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V4 46 +#define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V3 47 +#define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V4 48 static void sdma_add_scripts(struct sdma_engine *sdma, const struct sdma_script_start_addrs *addr) diff --git a/include/linux/platform_data/dma-imx-sdma.h b/include/linux/platform_data/dma-imx-sdma.h index e12d2e8c246b..a9f79665a112 100644 --- a/include/linux/platform_data/dma-imx-sdma.h +++ b/include/linux/platform_data/dma-imx-sdma.h @@ -56,6 +56,8 @@ struct sdma_script_start_addrs { s32 sai_2_mcu_addr; s32 uart_2_mcu_addr; s32 uartsh_2_mcu_addr; + s32 i2c_2_mcu_addr; + s32 mcu_2_i2c_addr; /* End of v3 array */ s32 mcu_2_zqspi_addr; /* End of v4 array */ diff --git a/include/linux/platform_data/dma-imx.h b/include/linux/platform_data/dma-imx.h index eb19aedb03f0..f10d76759109 100644 --- a/include/linux/platform_data/dma-imx.h +++ b/include/linux/platform_data/dma-imx.h @@ -42,6 +42,7 @@ 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 { -- 2.17.1