diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-28 17:34:51 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-28 17:34:51 +0300 |
commit | 2957975756291d8dbf4f744dbe68278f319b7de7 (patch) | |
tree | 168367a320bd8d715cea89f6053b14f87bc7735b /drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c | |
parent | bad0d7a6a7d61f129b9ebffc43acd2056bfb4def (diff) | |
parent | be15dab9a451155bdf3f5278608fe8dc67e07cc1 (diff) | |
download | linux-rolling-stable.tar.xz |
Merge v6.16.4linux-rolling-stable
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c')
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c index f2946bea0bc2..6c6c49e4b66f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c @@ -152,7 +152,7 @@ static int thead_set_clk_tx_rate(void *bsp_priv, struct clk *clk_tx_i, static int thead_dwmac_enable_clk(struct plat_stmmacenet_data *plat) { struct thead_dwmac *dwmac = plat->bsp_priv; - u32 reg; + u32 reg, div; switch (plat->mac_interface) { case PHY_INTERFACE_MODE_MII: @@ -164,6 +164,13 @@ static int thead_dwmac_enable_clk(struct plat_stmmacenet_data *plat) case PHY_INTERFACE_MODE_RGMII_RXID: case PHY_INTERFACE_MODE_RGMII_TXID: /* use pll */ + div = clk_get_rate(plat->stmmac_clk) / rgmii_clock(SPEED_1000); + reg = FIELD_PREP(GMAC_PLLCLK_DIV_EN, 1) | + FIELD_PREP(GMAC_PLLCLK_DIV_NUM, div); + + writel(0, dwmac->apb_base + GMAC_PLLCLK_DIV); + writel(reg, dwmac->apb_base + GMAC_PLLCLK_DIV); + writel(GMAC_GTXCLK_SEL_PLL, dwmac->apb_base + GMAC_GTXCLK_SEL); reg = GMAC_TX_CLK_EN | GMAC_TX_CLK_N_EN | GMAC_TX_CLK_OUT_EN | GMAC_RX_CLK_EN | GMAC_RX_CLK_N_EN; |