From: Prabhakar Kushwaha <prabhakar@freescale.com>
Date: Thu, 24 Dec 2015 11:55:06 +0000 (+0530)
Subject: armv8: fsl-lsch3: fixup SYSCLK frequency in device tree
X-Git-Tag: v2016.03-rc1~45^2~38
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6f14e257c472c895499c186b602861e90f2656b5;p=platform%2Fkernel%2Fu-boot.git

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 eafdd71..4e4861d 100644
--- 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