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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>
hifive-unleashed-5.1
Christophe Roullier 2019-03-05 09:29:26 +01:00 committed by David S. Miller
parent 830133daec
commit 81311c03ab
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
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@ -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.
*/