On Mon, Nov 28, 2016 at 05:04:23PM -0600, Grygorii Strashko wrote:
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From: WingMan Kwok <redacted>
This patch adds support of the cpts device found in the
gbe and 10gbe ethernet switches on the keystone 2 SoCs
(66AK2E/L/Hx, 66AK2Gx).
Signed-off-by: WingMan Kwok <redacted>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
---
.../devicetree/bindings/net/keystone-netcp.txt | 9 +
drivers/net/ethernet/ti/Kconfig | 7 +-
drivers/net/ethernet/ti/netcp.h | 2 +-
drivers/net/ethernet/ti/netcp_core.c | 18 +-
drivers/net/ethernet/ti/netcp_ethss.c | 437 ++++++++++++++++++++-
5 files changed, 459 insertions(+), 14 deletions(-)
diff --git a/Documentation/devicetree/bindings/net/keystone-netcp.txt b/Documentation/devicetree/bindings/net/keystone-netcp.txt
index 04ba1dc..c37b54e 100644
--- a/Documentation/devicetree/bindings/net/keystone-netcp.txt
+++ b/Documentation/devicetree/bindings/net/keystone-netcp.txt
@@ -113,6 +113,15 @@ Optional properties:
will only initialize these ports and attach PHY
driver to them if needed.
+ Properties related to cpts configurations.
+ - cpts_clock_mult/cpts_clock_shift:
Needs vendor prefix. Don't use '_'.
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+ used for converting time counter cycles to ns as in
+
+ ns = (cycles * clock_mult) >> _shift
+
+ Defaults: clock_mult, clock_shift = calculated from
+ CPTS refclk
What does this mean?
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+
NetCP interface properties: Interface specification for NetCP sub-modules.
Required properties:
- rx-channel: the navigator packet dma channel name for rx.