diff options
| author | Dan Douglass <dan.douglass@freescale.com> | 2015-05-26 15:53:10 -0500 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@nxp.com> | 2016-01-20 14:28:50 -0600 |
| commit | c9ebfd68fde97b155d18603dcf9daaf1d936ab8f (patch) | |
| tree | 72798e4d1e231fd8bd48c2f3c0971aca60b1df38 /drivers | |
| parent | 5702e5758b3ab81474aa25f579652f6345eb73b6 (diff) | |
MLK-10978-1 ARM: imx6ul: Add CAAM support for i.mx6ul
There are only 3 CAAM clocks that are required for i.mx6ul. Adding
logic to enable only the required clocks based on the device tree
compatibility node.
Signed-off-by: Dan Douglass <dan.douglass@freescale.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/caam/ctrl.c | 52 |
1 files changed, 25 insertions, 27 deletions
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index 463768426fd7..3de23f59d953 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -527,7 +527,7 @@ static int caam_probe(struct platform_device *pdev) /* imx7d only has one caam clock */ if (!(of_find_compatible_node(NULL, NULL, "fsl,imx7d-caam"))) { ctrlpriv->caam_mem = devm_clk_get(&ctrlpriv->pdev->dev, - "caam_mem"); + "caam_mem"); if (IS_ERR(ctrlpriv->caam_mem)) { ret = PTR_ERR(ctrlpriv->caam_mem); dev_err(&ctrlpriv->pdev->dev, @@ -535,28 +535,26 @@ static int caam_probe(struct platform_device *pdev) ret); return -ENODEV; } - ctrlpriv->caam_aclk = devm_clk_get(&ctrlpriv->pdev->dev, - "caam_aclk"); - if (IS_ERR(ctrlpriv->caam_aclk)) { - ret = PTR_ERR(ctrlpriv->caam_aclk); - dev_err(&ctrlpriv->pdev->dev, - "can't identify CAAM aclk clk: %d\n", + ret = clk_prepare(ctrlpriv->caam_mem); + if (ret < 0) { + dev_err(&pdev->dev, "can't prepare CAAM secure mem clock: %d\n", ret); return -ENODEV; } - ctrlpriv->caam_emi_slow = devm_clk_get(&ctrlpriv->pdev->dev, - "caam_emi_slow"); - ret = clk_prepare_enable(ctrlpriv->caam_emi_slow); + ret = clk_enable(ctrlpriv->caam_mem); if (ret < 0) { - dev_err(&pdev->dev, - "can't prepare CAAM emi slow clock: %d\n", + dev_err(&pdev->dev, "can't enable CAAM secure mem clock: %d\n", ret); return -ENODEV; } - - ret = clk_prepare(ctrlpriv->caam_mem); - if (ret < 0) { - dev_err(&pdev->dev, "can't prepare CAAM secure mem clock: %d\n", + pr_debug("%s caam_mem clock:%d\n", __func__, + (int)clk_get_rate(ctrlpriv->caam_mem)); + ctrlpriv->caam_aclk = devm_clk_get(&ctrlpriv->pdev->dev, + "caam_aclk"); + if (IS_ERR(ctrlpriv->caam_aclk)) { + ret = PTR_ERR(ctrlpriv->caam_aclk); + dev_err(&ctrlpriv->pdev->dev, + "can't identify CAAM aclk clk: %d\n", ret); return -ENODEV; } @@ -567,25 +565,25 @@ static int caam_probe(struct platform_device *pdev) ret); return -ENODEV; } - - - ret = clk_enable(ctrlpriv->caam_mem); - if (ret < 0) { - dev_err(&pdev->dev, "can't enable CAAM secure mem clock: %d\n", - ret); - return -ENODEV; - } ret = clk_enable(ctrlpriv->caam_aclk); if (ret < 0) { dev_err(&pdev->dev, "can't enable CAAM aclk clock: %d\n", ret); return -ENODEV; } - - pr_debug("%s caam_mem clock:%d\n", __func__, - (int)clk_get_rate(ctrlpriv->caam_mem)); pr_debug("%s caam_aclk clock:%d\n", __func__, (int)clk_get_rate(ctrlpriv->caam_aclk)); + if (!(of_find_compatible_node(NULL, NULL, "fsl,imx6ul-caam"))) { + ctrlpriv->caam_emi_slow = devm_clk_get(&ctrlpriv->pdev->dev, + "caam_emi_slow"); + ret = clk_prepare_enable(ctrlpriv->caam_emi_slow); + if (ret < 0) { + dev_err(&pdev->dev, + "can'to prepare CAAM emi slow clock: %d\n", + ret); + return -ENODEV; + } + } } #endif |