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rockchip: clk: rk3399: allow requests for PCLK_EFUSE1024NS

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The (non-secure) efuse node in the DTS requests PCLK_EFUSE1024NS.
To allow us to add a efuse-driver (and more importantly, to allow
probes of such a driver to succeed), we need need to accept requests
for PCLK_EFUSE1024NS and return a non-error result.

As PCLK_EFUSE1024NS is enabled by default (i.e. after reset), we don't
implement any logic to manage this clock gate and simply assume that
the reset-default has not been changed.

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Tested-by: Klaus Goger <klaus.goger@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Philipp Tomsich 2017-04-28 17:11:55 +02:00 committed by Simon Glass
parent a83444ee34
commit a70feb4620
1 changed files with 4 additions and 0 deletions
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4
drivers/clk/rockchip/clk_rk3399.c
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@ -885,6 +885,8 @@ static ulong rk3399_clk_get_rate(struct clk *clk)
case DCLK_VOP0:
case DCLK_VOP1:
break;
case PCLK_EFUSE1024NS:
break;
default:
return -ENOENT;
}
@ -927,6 +929,8 @@ static ulong rk3399_clk_set_rate(struct clk *clk, ulong rate)
case SCLK_DDRCLK:
ret = rk3399_ddr_set_clk(priv->cru, rate);
break;
case PCLK_EFUSE1024NS:
break;
default:
return -ENOENT;
}