linux-kernel - [PATCH 2/8] dt-bindings: crypto : Add new compatible strings for qcom-qce

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Date:   Wed, 10 Mar 2021 10:54:57 +0530
From:   Bhupesh Sharma <bhupesh.sharma@...aro.org>
To:     linux-arm-msm@...r.kernel.org
Cc:     bhupesh.sharma@...aro.org,
        Thara Gopinath <thara.gopinath@...aro.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        linux-clk@...r.kernel.org, linux-crypto@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        bhupesh.linux@...il.com
Subject: [PATCH 2/8] dt-bindings: crypto : Add new compatible strings for qcom-qce

Newer qcom chips support newer versions of the qce IP, so add
new compatible strings for qcom-qce (in addition to the existing
"qcom,crypto-v5.1").

With [1], Thara tried to add the support for new compatible strings,
but we couldn't conclude on the approach to be used. Since we have
a number of new qcom arm64 SoCs available now, several of which
support the same crypto IP version, so it makes more sense to use
the IP version for the compatible string, rather than using the soc
name as the compatible string.

[1]. https://lore.kernel.org/linux-arm-msm/20201119155233.3974286-7-thara.gopinath@linaro.org/

Cc: Thara Gopinath <thara.gopinath@...aro.org>
Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: Rob Herring <robh+dt@...nel.org>
Cc: Andy Gross <agross@...nel.org>
Cc: Herbert Xu <herbert@...dor.apana.org.au>
Cc: David S. Miller <davem@...emloft.net>
Cc: Stephen Boyd <sboyd@...nel.org>
Cc: Michael Turquette <mturquette@...libre.com>
Cc: linux-clk@...r.kernel.org
Cc: linux-crypto@...r.kernel.org
Cc: devicetree@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: bhupesh.linux@...il.com
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@...aro.org>
---
 Documentation/devicetree/bindings/crypto/qcom-qce.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/crypto/qcom-qce.txt b/Documentation/devicetree/bindings/crypto/qcom-qce.txt
index 07ee1b12000b..217b37dbd58a 100644
--- a/Documentation/devicetree/bindings/crypto/qcom-qce.txt
+++ b/Documentation/devicetree/bindings/crypto/qcom-qce.txt
@@ -2,7 +2,11 @@ Qualcomm crypto engine driver
 
 Required properties:
 
-- compatible  : should be "qcom,crypto-v5.1"
+- compatible  : Supported versions are:
+		- "qcom,crypto-v5.1", for ipq6018
+		- "qcom,crypto-v5.4", for sdm845, sm8150
+		- "qcom,crypto-v5.5", for sm8250
+		- "qcom,crypto-v5.6", for sm8350
 - reg         : specifies base physical address and size of the registers map
 - clocks      : phandle to clock-controller plus clock-specifier pair
 - clock-names : "iface" clocks register interface
-- 
2.29.2