[PATCH 1/2] clk: imx: scu: add enet rgmii gpr clocks
From: Dong Aisheng <aisheng.dong@nxp.com>
Date: 2021-05-21 03:13:59
Also in:
linux-devicetree
Subsystem:
common clk framework, nxp i.mx clock drivers, the rest · Maintainers:
Stephen Boyd, Brian Masney, Jerome Brunet, Abel Vesa, Linus Torvalds
enet tx clk actually is sourced from a gpr divider, not default enet clk. Add enet grp clocks for user to use correctly. Cc: Abel Vesa <redacted> Cc: Stephen Boyd <sboyd@kernel.org> Cc: Shawn Guo <shawnguo@kernel.org> Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com> --- drivers/clk/imx/clk-imx8qxp.c | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-)
diff --git a/drivers/clk/imx/clk-imx8qxp.c b/drivers/clk/imx/clk-imx8qxp.c
index 88cc737ee125..f3cdd6449212 100644
--- a/drivers/clk/imx/clk-imx8qxp.c
+++ b/drivers/clk/imx/clk-imx8qxp.c@@ -25,6 +25,16 @@ static const char *dc0_sels[] = { "dc0_bypass0_clk", }; +static const char *enet0_rgmii_txc_sels[] = { + "enet0_ref_div", + "dummy", +}; + +static const char *enet1_rgmii_txc_sels[] = { + "enet1_ref_div", + "dummy", +}; + static int imx8qxp_clk_probe(struct platform_device *pdev) { struct device_node *ccm_node = pdev->dev.of_node;
@@ -80,12 +90,16 @@ static int imx8qxp_clk_probe(struct platform_device *pdev) imx_clk_scu("sdhc0_clk", IMX_SC_R_SDHC_0, IMX_SC_PM_CLK_PER); imx_clk_scu("sdhc1_clk", IMX_SC_R_SDHC_1, IMX_SC_PM_CLK_PER); imx_clk_scu("sdhc2_clk", IMX_SC_R_SDHC_2, IMX_SC_PM_CLK_PER); - imx_clk_scu("enet0_clk", IMX_SC_R_ENET_0, IMX_SC_PM_CLK_PER); + imx_clk_scu("enet0_root_clk", IMX_SC_R_ENET_0, IMX_SC_PM_CLK_PER); + imx_clk_divider_gpr_scu("enet0_ref_div", "enet0_root_clk", IMX_SC_R_ENET_0, IMX_SC_C_CLKDIV); + 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_scu("enet0_rgmii_clk", IMX_SC_R_ENET_0, IMX_SC_PM_CLK_MISC0); - imx_clk_scu("enet1_clk", IMX_SC_R_ENET_1, IMX_SC_PM_CLK_PER); + imx_clk_scu("enet0_rgmii_rx_clk", IMX_SC_R_ENET_0, 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_scu("enet1_rgmii_clk", IMX_SC_R_ENET_1, 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("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);
--
2.25.1
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