From: Naveen Krishna Chatradhi Subject: [PATCH 2/9 v7] crypto:s5p-sss: Add device tree support Date: Mon, 17 Feb 2014 15:14:28 +0530 Message-ID: <1392630275-8667-3-git-send-email-ch.naveen@samsung.com> References: <1392630275-8667-1-git-send-email-ch.naveen@samsung.com> Cc: linux-kernel@vger.kernel.org, vzapolskiy@gmail.com, herbert@gondor.apana.org.au, naveenkrishna.ch@gmail.com, cpgs@samsung.com, davem@davemloft.net To: linux-crypto@vger.kernel.org, linux-samsung-soc@vger.kernel.org Return-path: In-reply-to: <1392630275-8667-1-git-send-email-ch.naveen@samsung.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org This patch adds device tree support to the s5p-sss.c crypto driver. Signed-off-by: Naveen Krishna Ch CC: Herbert Xu CC: David S. Miller CC: Vladimir Zapolskiy TO: CC: --- Changes since v6: None Changes since v5: Rewritten the interrupt definition in the documentation .../devicetree/bindings/crypto/samsung-sss.txt | 26 ++++++++++++++++++++ drivers/crypto/s5p-sss.c | 8 ++++++ 2 files changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/crypto/samsung-sss.txt diff --git a/Documentation/devicetree/bindings/crypto/samsung-sss.txt b/Documentation/devicetree/bindings/crypto/samsung-sss.txt new file mode 100644 index 0000000..3876f71 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/samsung-sss.txt @@ -0,0 +1,26 @@ +Samsung SoC SSS (Security SubSystem) module + +The SSS module in S5PV210 SoC supports the following: +-- Feeder (FeedCtrl) +-- Advanced Encryption Standard (AES) +-- Data Encryption Standard (DES)/3DES +-- Public Key Accelerator (PKA) +-- SHA-1/SHA-256/MD5/HMAC (SHA-1/SHA-256/MD5)/PRNG +-- PRNG: Pseudo Random Number Generator + +Required properties: + +- compatible : Should contain entries for this and backward compatible + SSS versions: + - "samsung,s5pv210-secss" for S5PV210 SoC. +- reg : Offset and length of the register set for the module +- interrupts : interrupt specifiers of SSS module interrupts, should contain + two entries: + - first : feed control interrupt, + - second : hash interrupt. + +- clocks : list of clock phandle and specifier pairs for all clocks listed in + clock-names property. +- clock-names : list of device clock input names; should contain one entry + "secss". + diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c index 93cddeb..73c8b38 100644 --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include @@ -177,6 +178,12 @@ struct s5p_aes_dev { static struct s5p_aes_dev *s5p_dev; +static const struct of_device_id s5p_sss_dt_match[] = { + { .compatible = "samsung,s5pv210-secss" }, + { }, +}; +MODULE_DEVICE_TABLE(of, s5p_sss_dt_match); + static void s5p_set_dma_indata(struct s5p_aes_dev *dev, struct scatterlist *sg) { SSS_WRITE(dev, FCBRDMAS, sg_dma_address(sg)); @@ -677,6 +684,7 @@ static struct platform_driver s5p_aes_crypto = { .driver = { .owner = THIS_MODULE, .name = "s5p-secss", + .of_match_table = s5p_sss_dt_match, }, }; -- 1.7.9.5