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authorFlorian Fainelli <f.fainelli@gmail.com>2017-09-28 16:14:57 -0700
committerFlorian Fainelli <f.fainelli@gmail.com>2017-10-12 11:31:46 -0700
commit04c3767f10809797331cda78808d9163939081e1 (patch)
treebace9be922dfdd68d47dc2c8f40fea01a7683af0 /drivers/clk/bcm
parenta56d339e8cb8e5627aaf7661018627a86cb3501a (diff)
downloadlinux-04c3767f10809797331cda78808d9163939081e1.tar.bz2
clk: bcm: Add Broadcom Hurricane 2 clock support
Add support for the Broadcom Hurricane 2 SoC clock controller. We can re-use the existing iProc clock library since the SoC's architecture is largely the same as its predecessors. For now, we just initialize the iProc ARM PLL. Acked-by: Jon Mason <jon.mason@broadcom.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Diffstat (limited to 'drivers/clk/bcm')
-rw-r--r--drivers/clk/bcm/Kconfig9
-rw-r--r--drivers/clk/bcm/Makefile1
-rw-r--r--drivers/clk/bcm/clk-hr2.c27
3 files changed, 37 insertions, 0 deletions
diff --git a/drivers/clk/bcm/Kconfig b/drivers/clk/bcm/Kconfig
index 1d9187df167b..4c4bd85f707c 100644
--- a/drivers/clk/bcm/Kconfig
+++ b/drivers/clk/bcm/Kconfig
@@ -30,6 +30,15 @@ config CLK_BCM_CYGNUS
help
Enable common clock framework support for the Broadcom Cygnus SoC
+config CLK_BCM_HR2
+ bool "Broadcom Hurricane 2 clock support"
+ depends on ARCH_BCM_HR2 || COMPILE_TEST
+ select COMMON_CLK_IPROC
+ default ARCH_BCM_HR2
+ help
+ Enable common clock framework support for the Broadcom Hurricane 2
+ SoC
+
config CLK_BCM_NSP
bool "Broadcom Northstar/Northstar Plus clock support"
depends on ARCH_BCM_5301X || ARCH_BCM_NSP || COMPILE_TEST
diff --git a/drivers/clk/bcm/Makefile b/drivers/clk/bcm/Makefile
index a0c14fa4aa1e..755144195541 100644
--- a/drivers/clk/bcm/Makefile
+++ b/drivers/clk/bcm/Makefile
@@ -8,6 +8,7 @@ obj-$(CONFIG_ARCH_BCM2835) += clk-bcm2835.o
obj-$(CONFIG_ARCH_BCM2835) += clk-bcm2835-aux.o
obj-$(CONFIG_ARCH_BCM_53573) += clk-bcm53573-ilp.o
obj-$(CONFIG_CLK_BCM_CYGNUS) += clk-cygnus.o
+obj-$(CONFIG_CLK_BCM_HR2) += clk-hr2.o
obj-$(CONFIG_CLK_BCM_NSP) += clk-nsp.o
obj-$(CONFIG_CLK_BCM_NS2) += clk-ns2.o
obj-$(CONFIG_CLK_BCM_SR) += clk-sr.o
diff --git a/drivers/clk/bcm/clk-hr2.c b/drivers/clk/bcm/clk-hr2.c
new file mode 100644
index 000000000000..f7c5b7379475
--- /dev/null
+++ b/drivers/clk/bcm/clk-hr2.c
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2017 Broadcom
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+#include "clk-iproc.h"
+
+static void __init hr2_armpll_init(struct device_node *node)
+{
+ iproc_armpll_setup(node);
+}
+CLK_OF_DECLARE(hr2_armpll, "brcm,hr2-armpll", hr2_armpll_init);