linux-kernel - [PATCH] ARM: dts: sun8i: v3s: Enable crypto engine

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Message-Id: <20200827180027.6254-1-m.cerveny@computer.org>
Date:   Thu, 27 Aug 2020 20:00:27 +0200
From:   Martin Cerveny <m.cerveny@...puter.org>
To:     clabbe.montjoie@...il.com
Cc:     davem@...emloft.net, herbert@...dor.apana.org.au,
        robh+dt@...nel.org, mripard@...nel.org, wens@...e.org,
        m.cerveny@...puter.org, linux-crypto@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: dts: sun8i: v3s: Enable crypto engine

V3S contains crypto engine that is compatible with "sun4i-ss".

Tested-by: Martin Cerveny <m.cerveny@...puter.org>
Signed-off-by: Martin Cerveny <m.cerveny@...puter.org>
---
 .../bindings/crypto/allwinner,sun4i-a10-crypto.yaml    |  5 ++++-
 arch/arm/boot/dts/sun8i-v3s.dtsi                       | 10 ++++++++++
 drivers/crypto/allwinner/sun4i-ss/sun4i-ss-core.c      |  7 +++++++
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/crypto/allwinner,sun4i-a10-crypto.yaml b/Documentation/devicetree/bindings/crypto/allwinner,sun4i-a10-crypto.yaml
index fc823572b..180efd13a 100644
--- a/Documentation/devicetree/bindings/crypto/allwinner,sun4i-a10-crypto.yaml
+++ b/Documentation/devicetree/bindings/crypto/allwinner,sun4i-a10-crypto.yaml
@@ -25,6 +25,7 @@ properties:
           - const: allwinner,sun4i-a10-crypto
       - items:
           - const: allwinner,sun8i-a33-crypto
+      - const: allwinner,sun8i-v3s-crypto
 
   reg:
     maxItems: 1
@@ -59,7 +60,9 @@ if:
   properties:
     compatible:
       contains:
-        const: allwinner,sun6i-a31-crypto
+        oneOf:
+          - const: allwinner,sun6i-a31-crypto
+          - const: allwinner,sun8i-v3s-crypto
 
 then:
   required:
diff --git a/arch/arm/boot/dts/sun8i-v3s.dtsi b/arch/arm/boot/dts/sun8i-v3s.dtsi
index e5312869c..4fec84c40 100644
--- a/arch/arm/boot/dts/sun8i-v3s.dtsi
+++ b/arch/arm/boot/dts/sun8i-v3s.dtsi
@@ -234,6 +234,16 @@
 			#size-cells = <0>;
 		};
 
+		crypto: crypto@...5000 {
+			compatible = "allwinner,sun8i-v3s-crypto";
+			reg = <0x01c15000 0x1000>;
+			interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_CE>, <&ccu CLK_CE>;
+			clock-names = "ahb", "mod";
+			resets = <&ccu RST_BUS_CE>;
+			reset-names = "ahb";
+		};
+
 		usb_otg: usb@...9000 {
 			compatible = "allwinner,sun8i-h3-musb";
 			reg = <0x01c19000 0x0400>;
diff --git a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-core.c b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-core.c
index a2b67f7f8..d24496cac 100644
--- a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-core.c
+++ b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-core.c
@@ -31,6 +31,10 @@ static const struct ss_variant ss_a33_variant = {
 	.sha1_in_be = true,
 };
 
+static const struct ss_variant ss_v3s_variant = {
+	.sha1_in_be = true,
+};
+
 static struct sun4i_ss_alg_template ss_algs[] = {
 {       .type = CRYPTO_ALG_TYPE_AHASH,
 	.mode = SS_OP_MD5,
@@ -505,6 +509,9 @@ static const struct of_device_id a20ss_crypto_of_match_table[] = {
 	{ .compatible = "allwinner,sun8i-a33-crypto",
 	  .data = &ss_a33_variant
 	},
+	{ .compatible = "allwinner,sun8i-v3s-crypto",
+	  .data = &ss_v3s_variant
+	},
 	{}
 };
 MODULE_DEVICE_TABLE(of, a20ss_crypto_of_match_table);
-- 
2.17.1