[U-Boot] [u-boot][PATCH] uboot/flexcan: fixup flexcan clock-frequency

[Jia Hongtao-B38951]

Hi Kumar,
We want more comments on this patch to speed up the pushing-to-source progress.
Thanks.

-----Original Message-----
From: Jia Hongtao-B38951 
Sent: Tuesday, November 15, 2011 3:04 PM
To: u-boot at lists.denx.de
Cc: Li Yang-R58472; Jia Hongtao-B38951
Subject: [u-boot][PATCH] uboot/flexcan: fixup flexcan clock-frequency

Make the fixup matchable with dts and kernel.
Update the compatible from "fsl,flexcan-v1.0" to "fsl,p1010-flexcan" and
Change the "clock-freq" property to "clock-frequency".
We also change flexcan frequency from CCB-clock to CCB-clock/2 according
to P1010 spec.

We now keep the old interfaces to make previous kernel work. They should
be removed in the future.

Signed-off-by: Jia Hongtao <B38951 at freescale.com>
Signed-off-by: Li Yang <leoli at freescale.com>
---
 arch/powerpc/cpu/mpc85xx/fdt.c |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c
index 9d31568..a53a31d 100644
--- a/arch/powerpc/cpu/mpc85xx/fdt.c
+++ b/arch/powerpc/cpu/mpc85xx/fdt.c
@@ -660,8 +660,19 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 	do_fixup_by_compat_u32(blob, "fsl,gianfar-ptp-timer",
 			"timer-frequency", gd->bus_clk/2, 1);
 
+	/*
+	 * clock-freq should change to clock-frequency and
+	 * flexcan-v1.0 should change to p1010-flexcan respectively
+	 * in the future.
+	 */
 	do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0",
-			"clock_freq", gd->bus_clk, 1);
+			"clock_freq", gd->bus_clk/2, 1);
+
+	do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0",
+			"clock-frequency", gd->bus_clk/2, 1);
+
+	do_fixup_by_compat_u32(blob, "fsl,p1010-flexcan",
+			"clock-frequency", gd->bus_clk/2, 1);
 
 	fdt_fixup_usb(blob);
 }
-- 
1.7.5.1