From: "A.s. Dong" <aisheng.dong@nxp.com>
To: "linux-clk@vger.kernel.org" <linux-clk@vger.kernel.org>
Cc: "linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"sboyd@kernel.org" <sboyd@kernel.org>,
"mturquette@baylibre.com" <mturquette@baylibre.com>,
"shawnguo@kernel.org" <shawnguo@kernel.org>,
Fabio Estevam <fabio.estevam@nxp.com>,
dl-linux-imx <linux-imx@nxp.com>,
"kernel@pengutronix.de" <kernel@pengutronix.de>,
"A.s. Dong" <aisheng.dong@nxp.com>
Subject: [PATCH V4 02/11] clk: imx: scu: add scu clock common part
Date: Sun, 14 Oct 2018 08:07:45 +0000 [thread overview]
Message-ID: <1539504194-28289-3-git-send-email-aisheng.dong@nxp.com> (raw)
In-Reply-To: <1539504194-28289-1-git-send-email-aisheng.dong@nxp.com>
Add scu clock common part which will be used by client clock drivers.
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
---
ChangeLog:
v3->v4:
* scu headfile path change
v2->v3:
* no changes
v1->v2:
* update function call name
---
drivers/clk/imx/Kconfig | 2 ++
drivers/clk/imx/Makefile | 2 ++
drivers/clk/imx/scu/Kconfig | 5 +++++
drivers/clk/imx/scu/Makefile | 4 ++++
drivers/clk/imx/scu/clk-scu.c | 17 +++++++++++++++++
drivers/clk/imx/scu/clk-scu.h | 18 ++++++++++++++++++
6 files changed, 48 insertions(+)
create mode 100644 drivers/clk/imx/scu/Kconfig
create mode 100644 drivers/clk/imx/scu/Makefile
create mode 100644 drivers/clk/imx/scu/clk-scu.c
create mode 100644 drivers/clk/imx/scu/clk-scu.h
diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig
index 43a3ecc..b1599bf 100644
--- a/drivers/clk/imx/Kconfig
+++ b/drivers/clk/imx/Kconfig
@@ -3,3 +3,5 @@
config MXC_CLK
bool
depends on ARCH_MXC
+
+source drivers/clk/imx/scu/Kconfig
diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile
index d447f8c..79b641a 100644
--- a/drivers/clk/imx/Makefile
+++ b/drivers/clk/imx/Makefile
@@ -13,6 +13,8 @@ obj-$(CONFIG_MXC_CLK) += \
clk-pllv3.o \
clk-pfd.o
+obj-y += scu/
+
obj-$(CONFIG_SOC_IMX1) += clk-imx1.o
obj-$(CONFIG_SOC_IMX21) += clk-imx21.o
obj-$(CONFIG_SOC_IMX25) += clk-imx25.o
diff --git a/drivers/clk/imx/scu/Kconfig b/drivers/clk/imx/scu/Kconfig
new file mode 100644
index 0000000..4d018fd
--- /dev/null
+++ b/drivers/clk/imx/scu/Kconfig
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0
+# SCU based common clock support for NXP i.MX SoC family.
+config MXC_CLK_SCU
+ bool
+ depends on ARCH_MXC && ARM64
diff --git a/drivers/clk/imx/scu/Makefile b/drivers/clk/imx/scu/Makefile
new file mode 100644
index 0000000..7dead13
--- /dev/null
+++ b/drivers/clk/imx/scu/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_MXC_CLK_SCU) += \
+ clk-scu.o
diff --git a/drivers/clk/imx/scu/clk-scu.c b/drivers/clk/imx/scu/clk-scu.c
new file mode 100644
index 0000000..826049f
--- /dev/null
+++ b/drivers/clk/imx/scu/clk-scu.c
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017~2018 NXP
+ * Dong Aisheng <aisheng.dong@nxp.com>
+ */
+
+#include <linux/errno.h>
+#include "clk-scu.h"
+
+DEFINE_SPINLOCK(imx_ccm_lock);
+struct imx_sc_ipc *ccm_ipc_handle;
+
+int imx_clk_scu_init(void)
+{
+ return imx_scu_get_handle(&ccm_ipc_handle);
+}
diff --git a/drivers/clk/imx/scu/clk-scu.h b/drivers/clk/imx/scu/clk-scu.h
new file mode 100644
index 0000000..b964f35
--- /dev/null
+++ b/drivers/clk/imx/scu/clk-scu.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017~2018 NXP
+ */
+
+#ifndef __IMX_CLK_SCU_H
+#define __IMX_CLK_SCU_H
+
+#include <linux/firmware/imx/sci.h>
+#include <linux/spinlock.h>
+
+extern spinlock_t imx_ccm_lock;
+extern struct imx_sc_ipc *ccm_ipc_handle;
+
+int imx_clk_scu_init(void);
+
+#endif
--
2.7.4
next prev parent reply other threads:[~2018-10-14 8:08 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-14 8:07 [PATCH V4 00/11] clk: imx: add imx8qxp clock support A.s. Dong
2018-10-14 8:07 ` [PATCH V4 01/11] clk: imx: add configuration option for mmio clks A.s. Dong
2018-10-14 8:07 ` A.s. Dong [this message]
2018-10-16 21:31 ` [PATCH V4 02/11] clk: imx: scu: add scu clock common part Stephen Boyd
2018-10-17 9:11 ` A.s. Dong
2018-10-17 15:07 ` Stephen Boyd
2018-10-17 15:27 ` A.s. Dong
2018-10-14 8:07 ` [PATCH V4 03/11] clk: imx: scu: add scu clock divider A.s. Dong
2018-10-16 21:26 ` Stephen Boyd
2018-10-17 8:56 ` A.s. Dong
2018-10-17 15:17 ` Stephen Boyd
2018-10-17 15:45 ` A.s. Dong
2018-10-17 16:05 ` Stephen Boyd
2018-10-18 2:35 ` A.s. Dong
2018-10-14 8:07 ` [PATCH V4 04/11] clk: imx: scu: add scu clock gpr divider A.s. Dong
2018-10-16 21:27 ` Stephen Boyd
2018-10-17 9:03 ` A.s. Dong
2018-10-17 15:17 ` Stephen Boyd
2018-10-14 8:07 ` [PATCH V4 05/11] clk: imx: scu: add scu clock gate A.s. Dong
2018-10-15 7:32 ` Sascha Hauer
2018-10-15 9:17 ` A.s. Dong
2018-10-15 9:53 ` Sascha Hauer
2018-10-15 15:30 ` A.s. Dong
2018-10-16 21:18 ` Stephen Boyd
2018-10-17 7:28 ` A.s. Dong
2018-10-14 8:07 ` [PATCH V4 06/11] clk: imx: scu: add scu clock gpr gate A.s. Dong
2018-10-14 8:08 ` [PATCH V4 07/11] clk: imx: scu: add scu clock mux A.s. Dong
2018-10-14 8:08 ` [PATCH V4 08/11] clk: imx: scu: add scu clock gpr mux A.s. Dong
2018-10-16 21:30 ` Stephen Boyd
2018-10-17 9:07 ` A.s. Dong
2018-10-17 15:18 ` Stephen Boyd
2018-10-14 8:08 ` [PATCH V4 09/11] clk: imx: add common imx_clk_hw_fixed functions A.s. Dong
2018-10-16 21:32 ` Stephen Boyd
2018-10-17 9:21 ` A.s. Dong
2018-10-17 15:18 ` Stephen Boyd
2018-10-14 8:08 ` [PATCH V4 10/11] clk: imx: add imx_check_clk_hws helper function A.s. Dong
2018-10-16 21:34 ` Stephen Boyd
2018-10-17 9:24 ` A.s. Dong
2018-10-14 8:08 ` [PATCH V4 11/11] clk: imx: add imx8qxp clk driver A.s. Dong
2018-10-16 21:38 ` Stephen Boyd
2018-10-17 9:43 ` A.s. Dong
2018-10-17 15:20 ` Stephen Boyd
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