From c82e1f90d2fa1ebfbeaf0f765ee974b31d273b1c Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Thu, 2 Feb 2017 12:08:32 +0100 Subject: clk: i.MX7: setup ethernet clocks Reparent ethernet clocks so that they can be used by the fec driver. The values are the same as U-Boot uses. Signed-off-by: Sascha Hauer --- drivers/clk/imx/clk-imx7.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'drivers/clk/imx/clk-imx7.c') diff --git a/drivers/clk/imx/clk-imx7.c b/drivers/clk/imx/clk-imx7.c index 6bf123419e..d3a036c0c3 100644 --- a/drivers/clk/imx/clk-imx7.c +++ b/drivers/clk/imx/clk-imx7.c @@ -844,6 +844,17 @@ static int imx7_clk_setup(void) /* set uart module clock's parent clock source that must be great then 80MHz */ clk_set_parent(clks[IMX7D_UART1_ROOT_SRC], clks[IMX7D_OSC_24M_CLK]); + clk_set_parent(clks[IMX7D_ENET1_REF_ROOT_SRC], clks[IMX7D_PLL_ENET_MAIN_125M_CLK]); + clk_set_parent(clks[IMX7D_ENET1_TIME_ROOT_SRC], clks[IMX7D_PLL_ENET_MAIN_100M_CLK]); + clk_set_parent(clks[IMX7D_ENET2_REF_ROOT_SRC], clks[IMX7D_PLL_ENET_MAIN_125M_CLK]); + clk_set_parent(clks[IMX7D_ENET2_TIME_ROOT_SRC], clks[IMX7D_PLL_ENET_MAIN_100M_CLK]); + + clk_set_rate(clks[IMX7D_PLL_SYS_PFD4_CLK], 392000000); + clk_set_parent(clks[IMX7D_ENET_AXI_ROOT_SRC], clks[IMX7D_PLL_SYS_PFD4_CLK]); + clk_set_rate(clks[IMX7D_ENET_AXI_ROOT_CLK], 197000000); + clk_set_rate(clks[IMX7D_ENET1_TIME_ROOT_CLK], 25000000); + clk_set_rate(clks[IMX7D_ENET2_TIME_ROOT_CLK], 25000000); + return 0; } postcore_initcall(imx7_clk_setup); -- cgit v1.2.3