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From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
Date: Thu, 25 Jan 2024 13:20:06 +0800
Subject: [PATCH v4 4/4] mailbox: imx: support i.MX95 ELE/V2X MU
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To: Jassi Brar <jassisinghbrar@gmail.com>, Rob Herring <robh+dt@kernel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
 Conor Dooley <conor+dt@kernel.org>, Dong Aisheng <aisheng.dong@nxp.com>, 
 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: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, 
 linux-arm-kernel@lists.infradead.org, Peng Fan <peng.fan@nxp.com>
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From: Peng Fan <peng.fan@nxp.com>

Add i.MX95 ELE/V2X MU support, its register layout is same as
i.MX8ULP, but the Parameter registers would show different
TR/RR. Since the driver already supports get TR/RR from Parameter
registers, not hardcoding the number, this patch just add
the compatible entry to reuse i.MX8ULP S4 cfg data.

To use the internal SRAM, need populate its sub-nodes.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/mailbox/imx-mailbox.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c
index 9e89f773d2f9..fff891d40f2f 100644
--- a/drivers/mailbox/imx-mailbox.c
+++ b/drivers/mailbox/imx-mailbox.c
@@ -4,6 +4,7 @@
  * Copyright 2022 NXP, Peng Fan <peng.fan@nxp.com>
  */
 
+#include <linux/bitfield.h>
 #include <linux/clk.h>
 #include <linux/firmware/imx/ipc.h>
 #include <linux/firmware/imx/s4.h>
@@ -15,6 +16,7 @@
 #include <linux/mailbox_controller.h>
 #include <linux/module.h>
 #include <linux/of.h>
+#include <linux/of_platform.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/suspend.h>
@@ -919,6 +921,8 @@ static int imx_mu_probe(struct platform_device *pdev)
 	if (ret)
 		goto disable_clk;
 
+	of_platform_populate(dev->of_node, NULL, NULL, dev);
+
 	pm_runtime_enable(dev);
 
 	ret = pm_runtime_resume_and_get(dev);
@@ -1031,6 +1035,8 @@ static const struct of_device_id imx_mu_dt_ids[] = {
 	{ .compatible = "fsl,imx8ulp-mu", .data = &imx_mu_cfg_imx8ulp },
 	{ .compatible = "fsl,imx8ulp-mu-s4", .data = &imx_mu_cfg_imx8ulp_s4 },
 	{ .compatible = "fsl,imx93-mu-s4", .data = &imx_mu_cfg_imx93_s4 },
+	{ .compatible = "fsl,imx95-mu-ele", .data = &imx_mu_cfg_imx8ulp_s4 },
+	{ .compatible = "fsl,imx95-mu-v2x", .data = &imx_mu_cfg_imx8ulp_s4 },
 	{ .compatible = "fsl,imx8-mu-scu", .data = &imx_mu_cfg_imx8_scu },
 	{ .compatible = "fsl,imx8-mu-seco", .data = &imx_mu_cfg_imx8_seco },
 	{ },

-- 
2.37.1