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authorTony Lindgren <tony@atomide.com>2015-07-16 01:55:57 -0700
committerTony Lindgren <tony@atomide.com>2015-07-16 02:09:33 -0700
commit9cf705de06a27cc99874626c9717b32e9874b3bb (patch)
treef34ad6e6aba6e868cb1bf61c62c42326c57872b9 /drivers/clk
parent7c80a3f89c51cfa935493a81b401c4e93f0c0f90 (diff)
downloadop-kernel-dev-9cf705de06a27cc99874626c9717b32e9874b3bb.zip
op-kernel-dev-9cf705de06a27cc99874626c9717b32e9874b3bb.tar.gz
ARM: OMAP2+: Add support for initializing dm814x clocks
Let's add a minimal clocks for dm814x to get it booted. This is mostly a placeholder and relies on the PLLs being on from the bootloader. Note that the divider clocks work the same way as on dm816x and am335x. Cc: Matthijs van Duin <matthijsvanduin@gmail.com> Cc: Mike Turquette <mturquette@linaro.org> Cc: Paul Walmsley <paul@pwsan.com> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: Tero Kristo <t-kristo@ti.com> Acked-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/ti/Makefile2
-rw-r--r--drivers/clk/ti/clk-814x.c31
-rw-r--r--drivers/clk/ti/clk-816x.c2
3 files changed, 33 insertions, 2 deletions
diff --git a/drivers/clk/ti/Makefile b/drivers/clk/ti/Makefile
index 105ffd0..80b4288 100644
--- a/drivers/clk/ti/Makefile
+++ b/drivers/clk/ti/Makefile
@@ -2,7 +2,7 @@ obj-y += clk.o autoidle.o clockdomain.o
clk-common = dpll.o composite.o divider.o gate.o \
fixed-factor.o mux.o apll.o
obj-$(CONFIG_SOC_AM33XX) += $(clk-common) clk-33xx.o
-obj-$(CONFIG_SOC_TI81XX) += $(clk-common) fapll.o clk-816x.o
+obj-$(CONFIG_SOC_TI81XX) += $(clk-common) fapll.o clk-814x.o clk-816x.o
obj-$(CONFIG_ARCH_OMAP2) += $(clk-common) interface.o clk-2xxx.o
obj-$(CONFIG_ARCH_OMAP3) += $(clk-common) interface.o \
clk-3xxx.o
diff --git a/drivers/clk/ti/clk-814x.c b/drivers/clk/ti/clk-814x.c
new file mode 100644
index 0000000..d490d42
--- /dev/null
+++ b/drivers/clk/ti/clk-814x.c
@@ -0,0 +1,31 @@
+/*
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/clk-provider.h>
+#include <linux/clk/ti.h>
+
+static struct ti_dt_clk dm814_clks[] = {
+ DT_CLK(NULL, "devosc_ck", "devosc_ck"),
+ DT_CLK(NULL, "mpu_ck", "mpu_ck"),
+ DT_CLK(NULL, "sysclk4_ck", "sysclk4_ck"),
+ DT_CLK(NULL, "sysclk6_ck", "sysclk6_ck"),
+ DT_CLK(NULL, "sysclk10_ck", "sysclk10_ck"),
+ DT_CLK(NULL, "sysclk18_ck", "sysclk18_ck"),
+ DT_CLK(NULL, "timer_sys_ck", "devosc_ck"),
+ DT_CLK(NULL, "cpsw_125mhz_gclk", "cpsw_125mhz_gclk"),
+ DT_CLK(NULL, "cpsw_cpts_rft_clk", "cpsw_cpts_rft_clk"),
+ { .node_name = NULL },
+};
+
+int __init dm814x_dt_clk_init(void)
+{
+ ti_dt_clocks_register(dm814_clks);
+ omap2_clk_disable_autoidle_all();
+ omap2_clk_enable_init_clocks(NULL, 0);
+
+ return 0;
+}
diff --git a/drivers/clk/ti/clk-816x.c b/drivers/clk/ti/clk-816x.c
index 9451e65..43d0745 100644
--- a/drivers/clk/ti/clk-816x.c
+++ b/drivers/clk/ti/clk-816x.c
@@ -42,7 +42,7 @@ static const char *enable_init_clks[] = {
"ddr_pll_clk3",
};
-int __init ti81xx_dt_clk_init(void)
+int __init dm816x_dt_clk_init(void)
{
ti_dt_clocks_register(dm816x_clks);
omap2_clk_disable_autoidle_all();
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