Received-SPF: pass (google.com: domain of linux-kernel+bounces-125092-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3;
From: Frank Li <Frank.Li@nxp.com>
Date: Fri, 29 Mar 2024 10:34:45 -0400
Subject: [PATCH v4 5/5] dmaengine: imx-sdma: Add i2c dma support
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
Message-Id: <20240329-sdma_upstream-v4-5-daeb3067dea7@nxp.com>
References: <20240329-sdma_upstream-v4-0-daeb3067dea7@nxp.com>
In-Reply-To: <20240329-sdma_upstream-v4-0-daeb3067dea7@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>, 
 Rob Herring <robh@kernel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
 Conor Dooley <conor+dt@kernel.org>, Joy Zou <joy.zou@nxp.com>
Cc: dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, 
 linux-kernel@vger.kernel.org, devicetree@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>, 
 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?YU4xVlBiandJQkU2TzhNVEFUdGtUOEREZXN0ei9zS2FaK045eFV0WE1sQzdx?=
 =?utf-8?B?L01WS2drQyswUWtSWSticzRpWllJa0RKcjhrRDRwdXFRdTg3VzlqM1pWUmpa?=
 =?utf-8?B?TVVGZFMyekxic2NCbm1BMC9pYVFqWG1kUGdhNTBTSlRHbHZJUkZMQ3VNZFc0?=
 =?utf-8?B?dGlUVnI0OXNoWStYMGhocWZRN1VMbWpBaWJRUHhwVDNxU1dpcllvNzFFeWZ3?=
 =?utf-8?B?elRqRVRkN0RsQ1lnQmxiL1pGNVpwMU1LcHNKcWNnM01jYm9HbzZBbUw5Nk41?=
 =?utf-8?B?MFRraXVLNXhKekRVWkswallnc1l1WG9kYWdlUWE0eFZrQ1FHNENPYmZ4RmhF?=
 =?utf-8?B?UkQ0WWRCQ2kyZENDRVlIYTc2c2ZNbmFMbWN3aGcwa0tFaTZuZmlYNW03bHFI?=
 =?utf-8?B?d21OYVJBL1JzdUJadHdFbGpBdnZZb1EwaDBUTFFrNjZBVTkwb2VaMVM5SDgz?=
 =?utf-8?B?cSt0NmxvWVMxZlFhR1RVWEY2SE9oVkNEUGV2bW1BKzB4Q09IUC91TWhWRlU3?=
 =?utf-8?B?YXNpOEtSSWY1amxLdUtuVVlEVFErV0pZcWVWOVlFRkNqQ3pvSkVEVTN0UTIy?=
 =?utf-8?B?aThSSWE3c3dpR0YyT3krU1AvWmJtUUpaNFUwK2hVa3l0QTJIMUxOT3N0bytE?=
 =?utf-8?B?VzVZbHdzUlk0ZkU5TjdyQmtmTDZhUi9zN0dVZFYySkw0NGxjVko4YU1rbnEy?=
 =?utf-8?B?dkt2SEl3dHlvQVVGUmJTV0g2TURWLzZyT1l6OXMxdGpKNk83SkVuUzZCdktV?=
 =?utf-8?B?VkJNU1FPaENiTE5KekdYM0x4aWNmQmkwQitsQXlVczRqUWRvcUc0ZWNnSENL?=
 =?utf-8?B?UGRNT1l5L1A2L0s0SXpCUXNhcUh2b09YMk5xNm5paENQcE9Ld0JxZ3Y4VkRR?=
 =?utf-8?B?MDZBTWJLVXV2dXpROGQvWDZWVjVlZFhlRHllR1BMVUhnSWsrYzUzLzhKa25S?=
 =?utf-8?B?d3pFcHZBNHJ5dlBoZlVDYW1GQzlvV0RReEJMRWtsZWpqSENVeWdjM0ZrdEk4?=
 =?utf-8?B?dDhpVjY4SUkrOHZGbmRVNTBPRlBIT1JBY0VDMU1wVUxQYTMwZ0t3b2taak11?=
 =?utf-8?B?RWxlWHJMWnE2OUtXQW95RUUvL2FZYjlBVExCUWkxRkNDeWwySjNvUG50Zno3?=
 =?utf-8?B?c1plUXBmcm1nZ2hCNU1CSkN4WDljcE44M0twTWlrRlMwVFlVTWhlRkhQbjJC?=
 =?utf-8?B?TmtReW5ZTXJhZUo3RFlCRDR4UUN4aVZLSEx5YTk5OG9LY2JXWlJlbVdLemhB?=
 =?utf-8?B?SW9wM09BcG02SVU2Y2lVYkJRWTJDbEtKVk53K1R2WVpGb0QvSzVsWW9aM3N0?=
 =?utf-8?B?V3RBOExhYWNHUkJ2NmUzMTh1cGl0N01yZlRJUjBtN1Bwa1pvTXNxTW8wYzhk?=
 =?utf-8?B?UjFZUVJsMEMvL3IyVUYya0dtZzZhN3orN0k0NGJqbXQ0TlFONkZMSFh6aWZx?=
 =?utf-8?B?UllrWEFiOXE1THhwdVFCc0FUSmwzNlNsd0RwaDlIUzdkQllVZzFsTkZJK25p?=
 =?utf-8?B?QzcwbXhrc0h1c3ZHSGcrdlV6Wlloc0xZOW81YTNKMWpaZUVEenVZcUE2YXFS?=
 =?utf-8?B?WlNKWjdSSzlzNUJMSEc2MTBxSDlBbW5OazR1QnlmcURjaVdiR1NNVmVGUTBy?=
 =?utf-8?B?ZmFiSHhDMkJlRlBDSlNOVEZFMXhSVG9SREFIYkZOMnVzWlhpOGh5bkUwbEwr?=
 =?utf-8?B?dTQ4SXc5K2pRQ0ZOL0tlSGhyRWNwT2I3RnR4WFoyeVRyMG11dVlubUhZNnNj?=
 =?utf-8?B?WU1FNHlhLzArUDU4T2x4Q3VuYktISVBIZTNBcWVwU1d4YWlMOU1IRHBja3pZ?=
 =?utf-8?B?TnhpY0Eza3JCd09tVWZ6ZG9aU2ZINFRMY1liTGkyRzhJOENZcEZoR2xRWXp5?=
 =?utf-8?B?b0JQV2xBT3RtNGJqaFRxMm5IZ1NJb0V4UG1uYnlzQmhUaHozWmw0ZHZmem4v?=
 =?utf-8?B?c2luSWtFeGtDMllTbk9uNmkwenRDaVJjNm82VG0xSlNEMlhmZGZSeWYxWUNS?=
 =?utf-8?B?dXI4aU1TU0V5R3hZbTJCZ0M4WFJFalVWWXM4RjVLbXRNRmpwYUkwSnNHcWpV?=
 =?utf-8?B?dTRJWGJoTVhpa2tvTzc5aG5JWm5Kb2RObVpELzkrNGx6UGpJVWhFQVBLZEYx?=
 =?utf-8?Q?pc84=3D?=
X-OriginatorOrg: nxp.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 19c60f02-77da-4273-f04d-08dc4ffd7c73
X-MS-Exchange-CrossTenant-AuthSource: PAXPR04MB9642.eurprd04.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Mar 2024 14:35:31.3812
 (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: qpMJouv7/D34jnV49po4ghvJNRXsAK/6DQCr7/FjPLz1RLlaaljiwPPMT9ujTd8Ab1U3oxaTjEltK0SAI9G/sA==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB6897

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

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>
---
 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 f68ab34a3c880..1ab8a7d3a50dc 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 */
 	s32 mcu_2_zqspi_addr;
 	/* End of v4 array */
@@ -1081,6 +1083,11 @@ 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