From 9be2da2d2f4de46e8c6c1a6be60cc61b6431b441 Mon Sep 17 00:00:00 2001
From: Zhang Yubing <yubing.zhang@rock-chips.com>
Date: Thu, 26 May 2022 15:32:17 +0800
Subject: [PATCH] phy: rockchip-samsung-hdptx-hdmi: register clk in child
 device

In uboot, a device can't be used as both phy device and clock
device. So It better to register a child device as clock device.

Signed-off-by: Zhang Yubing <yubing.zhang@rock-chips.com>
Change-Id: I6d06f3c3b0f0b48741a5c53f51df1766b2cb0740
---
 .../rockchip/phy-rockchip-samsung-hdptx-hdmi.c    | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx-hdmi.c b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx-hdmi.c
index d02a6554b304..d5effdba91b4 100644
--- a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx-hdmi.c
+++ b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx-hdmi.c
@@ -15,6 +15,7 @@
 #include <linux/module.h>
 #include <linux/nvmem-consumer.h>
 #include <linux/of.h>
+#include <linux/of_platform.h>
 #include <linux/reset.h>
 #include <linux/mfd/syscon.h>
 #include <linux/phy/phy.h>
@@ -2143,11 +2144,21 @@ static int rockchip_hdptx_phy_clk_register(struct rockchip_hdptx_phy *hdptx)
 {
 	struct device *dev = hdptx->dev;
 	struct device_node *np = dev->of_node;
+	struct device_node *clk_np;
+	struct platform_device *pdev;
 	struct clk_init_data init = {};
 	struct clk *refclk;
 	const char *parent_name;
 	int ret;
 
+	clk_np = of_get_child_by_name(np, "clk-port");
+	if (!clk_np)
+		return 0;
+
+	pdev = of_platform_device_create(clk_np, NULL, dev);
+	if (!pdev)
+		return 0;
+
 	refclk = devm_clk_get(dev, "ref");
 	if (IS_ERR(refclk)) {
 		dev_err(dev, "failed to get ref clock\n");
@@ -2170,14 +2181,14 @@ static int rockchip_hdptx_phy_clk_register(struct rockchip_hdptx_phy *hdptx)
 
 	hdptx->hw.init = &init;
 
-	hdptx->dclk = devm_clk_register(dev, &hdptx->hw);
+	hdptx->dclk = devm_clk_register(&pdev->dev, &hdptx->hw);
 	if (IS_ERR(hdptx->dclk)) {
 		ret = PTR_ERR(hdptx->dclk);
 		dev_err(dev, "failed to register clock: %d\n", ret);
 		return ret;
 	}
 
-	ret = of_clk_add_provider(np, of_clk_src_simple_get, hdptx->dclk);
+	ret = of_clk_add_provider(clk_np, of_clk_src_simple_get, hdptx->dclk);
 	if (ret) {
 		dev_err(dev, "failed to register OF clock provider: %d\n", ret);
 		return ret;