Received-SPF: pass (google.com: domain of linux-kernel+bounces-95951-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249;
From: Frank Li <Frank.Li@nxp.com>
Date: Thu, 07 Mar 2024 12:32:44 -0500
Subject: [PATCH v2 4/4] dmaengine: imx-sdma: Add i2c dma support
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
Message-Id: <20240307-sdma_upstream-v2-4-e97305a43cf5@nxp.com>
References: <20240307-sdma_upstream-v2-0-e97305a43cf5@nxp.com>
In-Reply-To: <20240307-sdma_upstream-v2-0-e97305a43cf5@nxp.com>
To: Vinod Koul <vkoul@kernel.org>, Shawn Guo <shawnguo@kernel.org>, 
 Sascha Hauer <s.hauer@pengutronix.de>, 
 Pengutronix Kernel Team <kernel@pengutronix.de>, 
 Fabio Estevam <festevam@gmail.com>, NXP Linux Team <linux-imx@nxp.com>
Cc: dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, 
 linux-kernel@vger.kernel.org, imx@lists.linux.dev, 
 Frank Li <Frank.Li@nxp.com>, Robin Gong <yibin.gong@nxp.com>, 
 Clark Wang <xiaoning.wang@nxp.com>, Joy Zou <joy.zou@nxp.com>, 
 Daniel Baluta <daniel.baluta@nxp.com>
Precedence: bulk
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0:
	=?utf-8?B?T2RmVld4eEtqNXZ5UEQyODRnZW5ZVlVhVWFvTTlxRUszTVRNc3NuZFY0MkFu?=
 =?utf-8?B?YmJjdGRqY2JhVnpXYU9RM0EvLzV4UEZEYlpCMjVpbEF3YkF3dHM3Q2ZFT04w?=
 =?utf-8?B?eU1GTTZVT2VGRzhPVDY2RjFQN1dhQjloYXR6dS9GRTdlL1lXM2hPNFVUR1pZ?=
 =?utf-8?B?WFBmUXExbnRNUlpLU0xjQnZjL29CV3lmUzZPcHJXTE9QTE1BRmd3MWJlOVRy?=
 =?utf-8?B?b2htOUY5aUE1djhMUlNqQzhXSkNwNCt1OFA5MTRodHBQMFNaRWoxUzdrbU13?=
 =?utf-8?B?TEZrMmIxOUFnWGRYWEdSdUxBbFA5S3dqMDd6N3RHdUlFalhwQ2dsMEZjYklU?=
 =?utf-8?B?dTJzdmFtcTRpbXFvVVorM0dicHFZWU5DdlNpelZNeGs0MUNJZ2hRM3Zxemcw?=
 =?utf-8?B?bzdTMnd0SFhmL1VUQ01QWEkvSitHZlRFcTR2R0l3OU13QlNPWWRrbXVkRkpW?=
 =?utf-8?B?WTNydDNsbTRHbXJXYUhVNjFDckpxVFhibCtzNmxCRWRackFOb2dRdTVyQ2FO?=
 =?utf-8?B?bW9Sb3NHRjVnZk9IaXYycitPVDNiRzFvRWxDYVRPRFlDQmxKUEpBbEYwTlBT?=
 =?utf-8?B?cFJWNzlQSGkzM2tNcU55NllXaUhOZVh3cW5HWk5yOUNiV0FBYzJ1NFBJNjNa?=
 =?utf-8?B?L1g3Wlo0S2hKZWpwT3gxb21jTVFMZjMyR1BuRy9RR3JKQVBvWDNTQ05wdnlr?=
 =?utf-8?B?RWl6UUY0SENGQUxKWlF6SnExbnRBMWR0bE1BTFd0eWM2KzZLSG95SXg4NEcv?=
 =?utf-8?B?RlFLSVJ1Wld2NmY3d1F4a3ZwU09DbFhoUHFaYXZvQ2Vva3NBN1ZMY1oxcG01?=
 =?utf-8?B?RWxLS3V2UGFjSkZqSTJiVEtneG4zbjBoOVpRYnV3UzY0UmhnNzd3OGdmUnJK?=
 =?utf-8?B?YTNmeWE1a25BS3d2WmpVOTFXMzdFZHZCenA4VUhzbTFXL2xXZjNZc0tMaE5l?=
 =?utf-8?B?aDEvRUtJcUpDSnYybjZheUZrcmdFWHNzeExKT1UzUWdITEwrTVBpK3hoSkdV?=
 =?utf-8?B?bXN0T0o4SW5WaEJNNUNQNnluSGRGeXZRQlFod3plQ2NONncyY0RkdHJGb2Fy?=
 =?utf-8?B?aldSTWRKVEY3Z2pQcjk0alBLOUNPOGRPejd2aUZ4M3BwZzlZZGZGaW56WW5K?=
 =?utf-8?B?N2t2UXFKK3loWTdDRXBaLzBOeWJ3M0psNDY2SGFxYWptdG8zaGxlVlJCcEdO?=
 =?utf-8?B?WEh5K0t6eEdoT0JvaGtVSUU3OCtaeHppVWxRKzdOSHR5N0RuS1NDZ0NuVDQ1?=
 =?utf-8?B?MmpVdWFJL0cvTUFaYlBXeE9selg1NHBMSTRtWDFVaW1NbjFjQ1ZKNVhKeGYr?=
 =?utf-8?B?Rm9DdmdLN0hwV1N0RmRtUzZTNy9UMXVKYjJtTytzSnNzeWtLNGY1TUE2WWhV?=
 =?utf-8?B?NHRXL1RjZ3hack1TQ2FVYXpMT3E4QWRxZ04xSUhUMUdiNW5vMUlxSjZHSkZz?=
 =?utf-8?B?U0lWNGRGbkl4VGlJUEIveGxEaTZQdm1zM3VjbTJTS2NIWlRVTmhSYnFQTXJG?=
 =?utf-8?B?ZkxsUzUwU1ZxM1dEaFFRMDkyZ1dTV3hFRDZldGo5NngxZzkvd0xCZ0UzdjdR?=
 =?utf-8?B?dTc4aFliNEgvVmdXcEFkODVDaUx4eDR6Y0pHd3J5OVpHZ3czR2FmdFlkdzlR?=
 =?utf-8?B?a2FISXBiYngvaFNYeC9PM0xZVU10alVpM1dnYmhUWVk3TDBTVnYxTWE4eU5E?=
 =?utf-8?B?THF5RXJTYlFoVmRSTVdqMXVNTDJ1ckdoNzNXSGl1dVZ6SityMzVQbnk4WFZu?=
 =?utf-8?B?aEpKVWF4V1puOUt6WUtydk45d3lHdFBUN3hjK1VpVjBMSVpyRnhwaklHQXdC?=
 =?utf-8?B?YzNZT2FiOXp1OTNBcWhSZmNZMml3Q2p0bXNpMUhPSk4xVWtYaXF2MytaK1N4?=
 =?utf-8?B?V3RKVXBnc0h0K0MxcjRUcDRoN2RvbVIwQUIyd0QvbFlCQzN6eGZMKzNSYmtQ?=
 =?utf-8?B?RG81VHNXYmluTmVzQUt2ZVZXMUYrTE4vQWFpUjRsZ2c0d0VJUGxzVmJwZVZ0?=
 =?utf-8?B?S2E2c2ZDblVvQmVXNEV5TnJEdnJpL1VDc2ZRR2FBY0UyMHRXc2pGenllTDly?=
 =?utf-8?B?VmIrV0dyQ0ozN0xSdmk0U3pyOHZEQUNSSzBsd0hWbFVNVVhBRU5qNmI2cGN2?=
 =?utf-8?Q?VWn2rkX4Ezgc8hRV4u/vyPs9K?=
X-OriginatorOrg: nxp.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 9d647bcc-44d4-4a77-72a6-08dc3eccb195
X-MS-Exchange-CrossTenant-AuthSource: PAXPR04MB9642.eurprd04.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Mar 2024 17:33:25.4485
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: D4PPHxQe7Nekx9mGfy8g54GL7IekbC19Lq49y/sO9kGuGZdm67GCqYhWtYhni4ffy7XO/tmwSS9BkS8HY4Em0w==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM8PR04MB7794

From: Robin Gong <yibin.gong@nxp.com>

New sdma script (sdma-6q: v3.5, sdma-7d: v4.5) 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>
---
 drivers/dma/imx-sdma.c      | 7 +++++++
 include/linux/dma/imx-dma.h | 1 +
 2 files changed, 8 insertions(+)

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 35fb69a84a8da..5bc4419fd45f3 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 */
@@ -1077,6 +1079,11 @@ 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 {

-- 
2.34.1