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| author | Naveen Krishna Chatradhi <ch.naveen@samsung.com> | 2014-05-08 17:58:13 +0400 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2014-05-08 17:58:13 +0400 |
| commit | 6b9f16e6c2b712f724e6ca1538d18ea8a788dd90 (patch) | |
| tree | 0c813baee07cb1dac4e67835268384f4f3d5d6f7 | |
| parent | 96fc70b63c51199b96bee1b90c939fa75d611332 (diff) | |
| download | linux-6b9f16e6c2b712f724e6ca1538d18ea8a788dd90.tar.xz | |
crypto: s5p-sss - Add device tree support
This patch adds device tree support to the s5p-sss.c crypto driver.
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
CC: David S. Miller <davem@davemloft.net>
CC: <linux-samsung-soc@vger.kernel.org>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | Documentation/devicetree/bindings/crypto/samsung-sss.txt | 25 | ||||
| -rw-r--r-- | drivers/crypto/s5p-sss.c | 8 |
2 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/crypto/samsung-sss.txt b/Documentation/devicetree/bindings/crypto/samsung-sss.txt new file mode 100644 index 000000000000..f6e09a6231f4 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/samsung-sss.txt @@ -0,0 +1,25 @@ +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 2876fa37d1f9..c6aafe84e06a 100644 --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -22,6 +22,7 @@ #include <linux/scatterlist.h> #include <linux/dma-mapping.h> #include <linux/io.h> +#include <linux/of.h> #include <linux/crypto.h> #include <linux/interrupt.h> @@ -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)); @@ -672,6 +679,7 @@ static struct platform_driver s5p_aes_crypto = { .driver = { .owner = THIS_MODULE, .name = "s5p-secss", + .of_match_table = s5p_sss_dt_match, }, }; |