[PATCH 6/6] IPQ40xx: Add PRNG support

[Robert Marko]

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 at sartura.hr>
Cc: Luka Perkov <luka.perkov at sartura.hr>
---
 arch/arm/dts/qcom-ipq4019.dtsi        | 7 +++++++
 arch/arm/mach-ipq40xx/clock-ipq4019.c | 4 ++++
 2 files changed, 11 insertions(+)

diff --git a/arch/arm/dts/qcom-ipq4019.dtsi b/arch/arm/dts/qcom-ipq4019.dtsi
index 031691e5d2..7a52ea2c4e 100644
--- a/arch/arm/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/dts/qcom-ipq4019.dtsi
@@ -60,6 +60,13 @@
 			u-boot,dm-pre-reloc;
 		};
 
+		rng: rng at 22000 {
+			compatible = "qcom,prng";
+			reg = <0x22000 0x140>;
+			clocks = <&gcc GCC_PRNG_AHB_CLK>;
+			status = "disabled";
+		};
+
 		reset: gcc-reset at 1800000 {
 			compatible = "qcom,gcc-reset-ipq4019";
 			reg = <0x1800000 0x60000>;
diff --git a/arch/arm/mach-ipq40xx/clock-ipq4019.c b/arch/arm/mach-ipq40xx/clock-ipq4019.c
index d5b5f4cb79..31ae9719e8 100644
--- a/arch/arm/mach-ipq40xx/clock-ipq4019.c
+++ b/arch/arm/mach-ipq40xx/clock-ipq4019.c
@@ -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;
 	}
-- 
2.28.0