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From:   "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
Date:   Tue, 12 Sep 2023 17:19:01 +0800
Subject: [PATCH 3/7] clk: imx: imx8qxp: correct the enet clocks for
 i.MX8DXL
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Message-Id: <20230912-imx8-clk-v1-v1-3-69a34bcfcae1@nxp.com>
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In-Reply-To: <20230912-imx8-clk-v1-v1-0-69a34bcfcae1@nxp.com>
To:     Abel Vesa <abelvesa@kernel.org>, Peng Fan <peng.fan@nxp.com>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@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>,
        Jacky Bai <ping.bai@nxp.com>,
        Dong Aisheng <aisheng.dong@nxp.com>
Cc:     linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, Shenwei Wang <shenwei.wang@nxp.com>,
        Ranjani Vaidyanathan <ranjani.vaidyanathan@nxp.com>,
        Jason Liu <jason.hui.liu@nxp.com>
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From: Shenwei Wang <shenwei.wang@nxp.com>

The SC_PM_CLK_MISC0 clock is not available for the resources of ENET0/1 on
i.MX8DXL. Using the clock device compatible string to identify the platform
and only initialize the enetX_rgmii_rx_clk clock for non i.MX8DXL platform.

Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Reviewed-by: Ranjani Vaidyanathan <ranjani.vaidyanathan@nxp.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Acked-by: Jason Liu <jason.hui.liu@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/clk/imx/clk-imx8qxp.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/imx/clk-imx8qxp.c b/drivers/clk/imx/clk-imx8qxp.c
index 4020aa4b79bf..41f0a45aa162 100644
--- a/drivers/clk/imx/clk-imx8qxp.c
+++ b/drivers/clk/imx/clk-imx8qxp.c
@@ -90,6 +90,11 @@ static const char * const pi_pll0_sels[] = {
 	"clk_dummy",
 };
 
+static inline bool clk_on_imx8dxl(struct device_node *node)
+{
+	return of_device_is_compatible(node, "fsl,imx8dxl-clk");
+}
+
 static int imx8qxp_clk_probe(struct platform_device *pdev)
 {
 	struct device_node *ccm_node = pdev->dev.of_node;
@@ -169,13 +174,15 @@ static int imx8qxp_clk_probe(struct platform_device *pdev)
 	imx_clk_mux_gpr_scu("enet0_rgmii_txc_sel", enet0_rgmii_txc_sels, ARRAY_SIZE(enet0_rgmii_txc_sels), IMX_SC_R_ENET_0, IMX_SC_C_TXCLK);
 	imx_clk_scu("enet0_bypass_clk", IMX_SC_R_ENET_0, IMX_SC_PM_CLK_BYPASS);
 	imx_clk_gate_gpr_scu("enet0_ref_50_clk", "clk_dummy", IMX_SC_R_ENET_0, IMX_SC_C_DISABLE_50, true);
-	imx_clk_scu("enet0_rgmii_rx_clk", IMX_SC_R_ENET_0, IMX_SC_PM_CLK_MISC0);
+	if (!clk_on_imx8dxl(ccm_node)) {
+		imx_clk_scu("enet0_rgmii_rx_clk", IMX_SC_R_ENET_0, IMX_SC_PM_CLK_MISC0);
+		imx_clk_scu("enet1_rgmii_rx_clk", IMX_SC_R_ENET_1, IMX_SC_PM_CLK_MISC0);
+	}
 	imx_clk_scu("enet1_root_clk", IMX_SC_R_ENET_1, IMX_SC_PM_CLK_PER);
 	imx_clk_divider_gpr_scu("enet1_ref_div", "enet1_root_clk", IMX_SC_R_ENET_1, IMX_SC_C_CLKDIV);
 	imx_clk_mux_gpr_scu("enet1_rgmii_txc_sel", enet1_rgmii_txc_sels, ARRAY_SIZE(enet1_rgmii_txc_sels), IMX_SC_R_ENET_1, IMX_SC_C_TXCLK);
 	imx_clk_scu("enet1_bypass_clk", IMX_SC_R_ENET_1, IMX_SC_PM_CLK_BYPASS);
 	imx_clk_gate_gpr_scu("enet1_ref_50_clk", "clk_dummy", IMX_SC_R_ENET_1, IMX_SC_C_DISABLE_50, true);
-	imx_clk_scu("enet1_rgmii_rx_clk", IMX_SC_R_ENET_1, IMX_SC_PM_CLK_MISC0);
 	imx_clk_scu("gpmi_io_clk", IMX_SC_R_NAND, IMX_SC_PM_CLK_MST_BUS);
 	imx_clk_scu("gpmi_bch_clk", IMX_SC_R_NAND, IMX_SC_PM_CLK_PER);
 	imx_clk_scu("usb3_aclk_div", IMX_SC_R_USB_2, IMX_SC_PM_CLK_PER);

-- 
2.37.1