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IPQ40xx: Add PRNG support

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Since we now have the driver for Qualcomm PRNG HW, lets use it and add the necessary clocks and nodes.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Cc: Luka Perkov <luka.perkov@sartura.hr>
This commit is contained in:
Robert Marko 2020-10-08 22:05:14 +02:00 • committed by Tom Rini
parent 033ec636fc
commit cfec8d36ce
2 changed files with 11 additions and 0 deletions
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7
arch/arm/dts/qcom-ipq4019.dtsi
View file

@ -60,6 +60,13 @@
u-boot,dm-pre-reloc;
};
rng: rng@22000 {
compatible = "qcom,prng";
reg = <0x22000 0x140>;
clocks = <&gcc GCC_PRNG_AHB_CLK>;
status = "disabled";
};
reset: gcc-reset@1800000 {
compatible = "qcom,gcc-reset-ipq4019";
reg = <0x1800000 0x60000>;

4
arch/arm/mach-ipq40xx/clock-ipq4019.c
View file

@ -54,6 +54,10 @@ static int msm_enable(struct clk *clk)
/* This clock is already initialized by SBL1 */
return 0;
break;
case GCC_PRNG_AHB_CLK: /*PRNG*/
/* This clock is already initialized by SBL1 */
return 0;
break;
default:
return 0;
}