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Message-ID: <1550126763-22669-5-git-send-email-christophe.roullier@st.com> Date: Thu, 14 Feb 2019 07:45:59 +0100 From: Christophe Roullier <christophe.roullier@...com> To: <robh@...nel.org>, <davem@...emloft.net>, <joabreu@...opsys.com>, <mark.rutland@....com>, <mcoquelin.stm32@...il.com>, <alexandre.torgue@...com>, <peppe.cavallaro@...com> CC: <linux-stm32@...md-mailman.stormreply.com>, <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <netdev@...r.kernel.org>, <christophe.roullier@...com>, <andrew@...n.ch> Subject: [PATCH 4/8] 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@...com> --- drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 2b800ce..3031f2b 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. */ -- 2.7.4
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