* [PATCH] arch: nios2: Enable the common clk subsystem on Nios2
@ 2020-03-06 13:44 Beniamin Bia
0 siblings, 0 replies; only message in thread
From: Beniamin Bia @ 2020-03-06 13:44 UTC (permalink / raw)
To: nios2-dev
Cc: ley.foon.tan, biabeniamin, linux-kernel, Dragos Bogdan, Beniamin Bia
From: Dragos Bogdan <dragos.bogdan@analog.com>
This patch adds support for common clock framework on Nios2. Clock
framework is commonly used in many drivers, and this patch makes it
available for the entire architecture, not just on a per-driver basis.
Signed-off-by: Beniamin Bia <beniamin.bia@analog.com>
Signed-off-by: Dragos Bogdan <dragos.bogdan@analog.com>
---
arch/nios2/Kconfig | 1 +
arch/nios2/platform/platform.c | 8 ++++++++
2 files changed, 9 insertions(+)
diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig
index 44b5da37e8bd..4b7c951e80e2 100644
--- a/arch/nios2/Kconfig
+++ b/arch/nios2/Kconfig
@@ -6,6 +6,7 @@ config NIOS2
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
select ARCH_HAS_UNCACHED_SEGMENT
select ARCH_NO_SWAP
+ select COMMON_CLK
select TIMER_OF
select GENERIC_ATOMIC64
select GENERIC_CLOCKEVENTS
diff --git a/arch/nios2/platform/platform.c b/arch/nios2/platform/platform.c
index 2a35154ca153..9737a87121fa 100644
--- a/arch/nios2/platform/platform.c
+++ b/arch/nios2/platform/platform.c
@@ -15,6 +15,12 @@
#include <linux/slab.h>
#include <linux/sys_soc.h>
#include <linux/io.h>
+#include <linux/clk-provider.h>
+
+static const struct of_device_id clk_match[] __initconst = {
+ { .compatible = "fixed-clock", .data = of_fixed_clk_setup, },
+ {}
+};
static int __init nios2_soc_device_init(void)
{
@@ -38,6 +44,8 @@ static int __init nios2_soc_device_init(void)
}
}
+ of_clk_init(clk_match);
+
return 0;
}
--
2.17.1
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2020-03-06 13:44 [PATCH] arch: nios2: Enable the common clk subsystem on Nios2 Beniamin Bia
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