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authorChristophe Roullier <christophe.roullier@st.com>2019-03-05 09:29:26 +0100
committerDavid S. Miller <davem@davemloft.net>2019-03-08 11:48:19 -0800
commit81311c03ab4dca83e4f4c678129b4327f2d41b40 (patch)
tree9d25abd2bf03e59285b5a3508d4ef8ae78c57a2f /drivers/net/ethernet/stmicro
parentdt-bindings: net: stmmac: add phys config properties (diff)
downloadlinux-dev-81311c03ab4dca83e4f4c678129b4327f2d41b40.tar.xz
linux-dev-81311c03ab4dca83e4f4c678129b4327f2d41b40.zip
net: ethernet: stmmac: add management of clk_csr property
In Documentation stmmac.txt there is possibility to fixed CSR Clock range selection with property clk_csr. This patch add the management of this property For example to use it, add in your ethernet node DT: clk_csr = <3>; Signed-off-by: Christophe Roullier <christophe.roullier@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 2b800ce1d5bf..3031f2bf15d6 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -408,6 +408,9 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac)
/* Default to phy auto-detection */
plat->phy_addr = -1;
+ /* Get clk_csr from device tree */
+ of_property_read_u32(np, "clk_csr", &plat->clk_csr);
+
/* "snps,phy-addr" is not a standard property. Mark it as deprecated
* and warn of its use. Remove this when phy node support is added.
*/