[PATCH 1/3] clk: imx: imx8mn: add enet clk

Alifer Moraes alifer.wsdm at gmail.com
Fri Feb 14 17:08:27 CET 2020


Add enet ref/timer/PHY_REF/root clk wich are required to make enet work properly

Signed-off-by: Alifer Moraes <alifer.wsdm at gmail.com>
---
 drivers/clk/imx/clk-imx8mn.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c
index eb43971ae6..103ba770ed 100644
--- a/drivers/clk/imx/clk-imx8mn.c
+++ b/drivers/clk/imx/clk-imx8mn.c
@@ -80,6 +80,17 @@ static const char *imx8mn_ahb_sels[] = {"clock-osc-24m", "sys_pll1_133m", "sys_p
 static const char *imx8mn_enet_axi_sels[] = {"clock-osc-24m", "sys_pll1_266m", "sys_pll1_800m", "sys_pll2_250m",
 					     "sys_pll2_200m", "audio_pll1_out", "video_pll1_out", "sys_pll3_out", };
 
+#ifndef CONFIG_SPL_BUILD
+static const char *imx8mn_enet_ref_sels[] = {"clock-osc-24m", "sys_pll2_125m", "sys_pll2_50m", "sys_pll2_100m",
+					     "sys_pll1_160m", "audio_pll1_out", "video_pll1_out", "clk_ext4", };
+
+static const char *imx8mn_enet_timer_sels[] = {"clock-osc-24m", "sys_pll2_100m", "audio_pll1_out", "clk_ext1", "clk_ext2",
+					       "clk_ext3", "clk_ext4", "video_pll1_out", };
+
+static const char *imx8mn_enet_phy_sels[] = {"clock-osc-24m", "sys_pll2_50m", "sys_pll2_125m", "sys_pll2_200m",
+					     "sys_pll2_500m", "video_pll1_out", "audio_pll2_out", };
+#endif
+
 static const char *imx8mn_nand_usdhc_sels[] = {"clock-osc-24m", "sys_pll1_266m", "sys_pll1_800m", "sys_pll2_200m",
 					       "sys_pll1_133m", "sys_pll3_out", "sys_pll2_250m", "audio_pll1_out", };
 
@@ -363,6 +374,14 @@ static int imx8mn_clk_probe(struct udevice *dev)
 	clk_dm(IMX8MN_CLK_USDHC3_ROOT,
 	       imx_clk_gate4("usdhc3_root_clk", "usdhc3", base + 0x45e0, 0));
 
+/* clks not needed in SPL stage */
+#ifndef CONFIG_SPL_BUILD
+	clk_dm(IMX8MN_CLK_ENET_REF, imx8m_clk_composite("enet_ref", imx8mn_enet_ref_sels, base + 0xa980));
+	clk_dm(IMX8MN_CLK_ENET_TIMER, imx8m_clk_composite("enet_timer", imx8mn_enet_timer_sels, base + 0xaa00));
+	clk_dm(IMX8MN_CLK_ENET_PHY_REF, imx8m_clk_composite("enet_phy", imx8mn_enet_phy_sels, base + 0xaa80));
+	clk_dm(IMX8MN_CLK_ENET1_ROOT, imx_clk_gate4("enet1_root_clk", "enet_axi", base + 0x40a0, 0));
+#endif
+
 #ifdef CONFIG_SPL_BUILD
 	struct clk *clkp, *clkp1;
 
-- 
2.17.1



More information about the U-Boot mailing list