linux-kernel - [PATCH] clk: imx: vf610: add CAAM clock

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Date:   Mon,  1 Jun 2020 16:06:07 -0700
From:   Andrey Smirnov <andrew.smirnov@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Andrey Smirnov <andrew.smirnov@...il.com>,
        Horia Geantă <horia.geanta@....com>,
        Chris Healy <cphealy@...il.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Fabio Estevam <festevam@...il.com>,
        linux-kernel@...r.kernel.org, linux-imx@....com
Subject: [PATCH] clk: imx: vf610: add CAAM clock

According to Vybrid Security RM, CCM_CCGR11[CG176] can be used to gate
CAAM ipg clock.

Signed-off-by: Horia Geantă <horia.geanta@....com>
Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
Cc: Chris Healy <cphealy@...il.com>
Cc: Shawn Guo <shawnguo@...nel.org>
Cc: Fabio Estevam <festevam@...il.com>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-imx@....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