armv8: fsl-lsch3: fixup SYSCLK frequency in device tree

SYSCLK frequency is dependent on on-board switch settings. It may
vary as per requirement. boot-loader is aware of board switch
configurations.

So Fixup Linux device tree from boot-loader.

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
CC: Mingkai Hu <Mingkai.Hu@freescale.com>
Reviewed-by: York Sun <york.sun@nxp.com>

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
index eafdd71a840f715a4d020adba4d51a58a6c9ad25..4e4861d107a0a11f14ca3a4dda73ad551adac6e7 100644 (file)
--- a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
@@ -190,6 +190,9 @@ void ft_cpu_setup(void *blob, bd_t *bd)
                               "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
 #endif
 
+       do_fixup_by_compat_u32(blob, "fixed-clock",
+                              "clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
+
 #ifdef CONFIG_PCI
        ft_pci_setup(blob, bd);
 #endif