On a Vybrid VF610 based platform I tested this with 5.8-rc1. With the
necessary DTS patch, the CAAM worked correctly for me.
Tested-by: Chris Healy <cphe...@gmail.com>
On Mon, Jun 1, 2020 at 4:06 PM Andrey Smirnov <andrew.smir...@gmail.com> wrote:
>
> According to Vybrid Security RM, CCM_CCGR11[CG176] can be used to gate
> CAAM ipg clock.
>
> Signed-off-by: Horia Geantă <horia.gea...@nxp.com>
> Signed-off-by: Andrey Smirnov <andrew.smir...@gmail.com>
> Cc: Chris Healy <cphe...@gmail.com>
> Cc: Shawn Guo <shawn...@kernel.org>
> Cc: Fabio Estevam <feste...@gmail.com>
> Cc: linux-arm-ker...@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
> Cc: linux-...@nxp.com
> ---
> drivers/clk/imx/clk-vf610.c | 1 +
> include/dt-bindings/clock/vf610-clock.h | 3 ++-
> 2 files changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/clk/imx/clk-vf610.c b/drivers/clk/imx/clk-vf610.c
> index cd04e7dc1878..5129ef8e1d6e 100644
> --- a/drivers/clk/imx/clk-vf610.c
> +++ b/drivers/clk/imx/clk-vf610.c
> @@ -438,6 +438,7 @@ static void __init vf610_clocks_init(struct device_node
> *ccm_node)
> clk[VF610_CLK_SNVS] = imx_clk_gate2("snvs-rtc", "ipg_bus", CCM_CCGR6,
> CCM_CCGRx_CGn(7));
> clk[VF610_CLK_DAP] = imx_clk_gate("dap", "platform_bus", CCM_CCSR,
> 24);
> clk[VF610_CLK_OCOTP] = imx_clk_gate("ocotp", "ipg_bus", CCM_CCGR6,
> CCM_CCGRx_CGn(5));
> + clk[VF610_CLK_CAAM] = imx_clk_gate2("caam", "ipg_bus", CCM_CCGR11,
> CCM_CCGRx_CGn(0));
>
> imx_check_clocks(clk, ARRAY_SIZE(clk));
>
> diff --git a/include/dt-bindings/clock/vf610-clock.h
> b/include/dt-bindings/clock/vf610-clock.h
> index 95394f35a74a..0f2d60e884dc 100644
> --- a/include/dt-bindings/clock/vf610-clock.h
> +++ b/include/dt-bindings/clock/vf610-clock.h
> @@ -195,6 +195,7 @@
> #define VF610_CLK_WKPU 186
> #define VF610_CLK_TCON0 187
> #define VF610_CLK_TCON1 188
> -#define VF610_CLK_END 189
> +#define VF610_CLK_CAAM 189
> +#define VF610_CLK_END 190
>
> #endif /* __DT_BINDINGS_CLOCK_VF610_H */
> --
> 2.21.3
