From e4398d6b6d32c18260855e9f615da9e52b5973a2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Mario=20H=C3=BCttel?= Date: Wed, 26 Apr 2017 13:56:35 +0200 Subject: [PATCH] Update page 'M_CAN Driver Usage Device Tree' --- M_CAN Driver Usage Device Tree.md | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/M_CAN Driver Usage Device Tree.md b/M_CAN Driver Usage Device Tree.md index ede54d5..ad89f5d 100644 --- a/M_CAN Driver Usage Device Tree.md +++ b/M_CAN Driver Usage Device Tree.md @@ -42,4 +42,12 @@ It is necessary to configure interrupt line 0 of the M_CAN according to your SoC ### Clocks -The M_CAN needs two clocks. The first clock *hclk* \ No newline at end of file +The M_CAN needs two clocks. The first clock *hclk* is used for the internal bus interface. Thesecond clock *cclk* is used for the CAN communication. It should be one of the following values: + +clk = {20 MHz, 40 MHz, 80 MHz} + +It is important, due to internal clock crossings, that *hclk* is always higher or equal to *cclk*. + +## MRAM Config + +The last device tree value configures the setup and layout of the MRAM (message RAM). \ No newline at end of file