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clk: rockchip: rk3568: Add dummy support for GMAC speed clocks

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Pine64 Quartz64 boards DT reference SCLK_GMAC1_RGMII_SPEED in the
assigned-clocks property of the gmac1 node. This result in a ENOENT
error when driver core tries to set a parent for this clock.

The clock speed in rgmii/rmii mode is changed using clk_set_rate of the
tx_rx clock and not using clk_set_parent of the speed clock.

Add dummy support for SCLK_GMAC1_RGMII_SPEED and similar clocks to clk
driver to allow a driver for gmac node to probe.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Jonas Karlman 2023-08-04 09:34:00 +00:00 committed by Kever Yang
parent ff46cd5631
commit 9296f9a8d7
1 changed files with 4 additions and 0 deletions
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4
drivers/clk/rockchip/clk_rk3568.c
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@ -2843,6 +2843,10 @@ static int rk3568_clk_set_parent(struct clk *clk, struct clk *parent)
case CLK_RKVDEC_CORE:
return rk3568_rkvdec_set_parent(clk, parent);
case I2S1_MCLKOUT_TX:
case SCLK_GMAC0_RGMII_SPEED:
case SCLK_GMAC0_RMII_SPEED:
case SCLK_GMAC1_RGMII_SPEED:
case SCLK_GMAC1_RMII_SPEED:
break;
default:
return -ENOENT;