linux-kernel - [PATCH 2/2] reset: imx7: add the cm4 reset for i.MX8MQ

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Message-Id: <1596091569-10013-2-git-send-email-peng.fan@nxp.com>
Date:   Thu, 30 Jul 2020 14:46:09 +0800
From:   peng.fan@....com
To:     p.zabel@...gutronix.de, shawnguo@...nel.org,
        s.hauer@...gutronix.de, robh+dt@...nel.org
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Peng Fan <peng.fan@....com>
Subject: [PATCH 2/2] reset: imx7: add the cm4 reset for i.MX8MQ

From: Peng Fan <peng.fan@....com>

Add the cm4 reset used by the remoteproc driver

Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/reset/reset-imx7.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/reset/reset-imx7.c b/drivers/reset/reset-imx7.c
index d170fe663210..87b6e2d46fb6 100644
--- a/drivers/reset/reset-imx7.c
+++ b/drivers/reset/reset-imx7.c
@@ -178,6 +178,9 @@ static const struct imx7_src_signal imx8mq_src_signals[IMX8MQ_RESET_NUM] = {
 	[IMX8MQ_RESET_A53_SOC_DBG_RESET]	= { SRC_A53RCR0, BIT(20) },
 	[IMX8MQ_RESET_A53_L2RESET]		= { SRC_A53RCR0, BIT(21) },
 	[IMX8MQ_RESET_SW_NON_SCLR_M4C_RST]	= { SRC_M4RCR, BIT(0) },
+	[IMX8MQ_RESET_SW_M4C_RST]		= { SRC_M4RCR, BIT(1) },
+	[IMX8MQ_RESET_SW_M4P_RST]		= { SRC_M4RCR, BIT(2) },
+	[IMX8MQ_RESET_M4_ENABLE]		= { SRC_M4RCR, BIT(3) },
 	[IMX8MQ_RESET_OTG1_PHY_RESET]		= { SRC_USBOPHY1_RCR, BIT(0) },
 	[IMX8MQ_RESET_OTG2_PHY_RESET]		= { SRC_USBOPHY2_RCR, BIT(0) },
 	[IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N]	= { SRC_MIPIPHY_RCR, BIT(1) },
@@ -238,6 +241,7 @@ static int imx8mq_reset_set(struct reset_controller_dev *rcdev,
 	case IMX8MQ_RESET_MIPI_DSI_DPI_RESET_N:	/* fallthrough */
 	case IMX8MQ_RESET_MIPI_DSI_RESET_N:	/* fallthrough */
 	case IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N:	/* fallthrough */
+	case IMX8MQ_RESET_M4_ENABLE:
 		value = assert ? 0 : bit;
 		break;
 	}
-- 
2.16.4