Messages in this thread Patch in this message | | | From | Naveen Krishna Chatradhi <> | Subject | [PATCH 2/8 v4] crypto:s5p-sss: Add device tree support | Date | Wed, 15 Jan 2014 14:44:51 +0530 |
| |
This patch adds device tree support to the s5p-sss.c crypto driver.
Also, Documentation under devicetree/bindings added.
Signed-off-by: Naveen Krishna Ch <ch.naveen@samsung.com> CC: Herbert Xu <herbert@gondor.apana.org.au> CC: David S. Miller <davem@davemloft.net> CC: Vladimir Zapolskiy <vzapolskiy@gmail.com> TO: <linux-crypto@vger.kernel.org> CC: <linux-samsung-soc@vger.kernel.org> --- Changes since v3: None
.../devicetree/bindings/crypto/samsung-sss.txt | 20 ++++++++++++++++++++ drivers/crypto/s5p-sss.c | 10 +++++++++- 2 files changed, 29 insertions(+), 1 deletion(-) 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..2f9d7e4 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/samsung-sss.txt @@ -0,0 +1,20 @@ +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 : the interrupt-specifier for the SSS module. + Two interrupts "feed control and hash" in case of S5PV210 +- clocks : the required gating clock for the SSS module. +- clock-names : the gating clock name to be requested in the SSS driver. diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c index 93cddeb..2da5617 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)); @@ -676,7 +683,8 @@ static struct platform_driver s5p_aes_crypto = { .remove = s5p_aes_remove, .driver = { .owner = THIS_MODULE, - .name = "s5p-secss", + .name = "s5pv210-secss", + .of_match_table = s5p_sss_dt_match, }, }; -- 1.7.9.5
| |