ARM: imx53: clk: add ARM clock

The ARM clock is a virtual clock feeding the ARM partition of
the SoC. It controls multiple other clocks to ensure the right
sequencing when cpufreq changes the CPU clock rate.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

2 files changed, 7 insertions, 1 deletions

diff --git a/arch/arm/mach-imx/clk-imx51-imx53.c b/arch/arm/mach-imx/clk-imx51-imx53.c
index aafccf4b47c2..0f7e536147cb 100644
--- a/arch/arm/mach-imx/clk-imx51-imx53.c
+++ b/arch/arm/mach-imx/clk-imx51-imx53.c
@@ -541,6 +541,11 @@ static void __init mx53_clocks_init(struct device_node *np)
         clk[IMX5_CLK_CKO2]              = imx_clk_gate2("cko2", "cko2_podf", MXC_CCM_CCOSR, 24);
         clk[IMX5_CLK_SPDIF_XTAL_SEL]    = imx_clk_mux("spdif_xtal_sel", MXC_CCM_CSCMR1, 2, 2,
                                                 mx53_spdif_xtal_sel, ARRAY_SIZE(mx53_spdif_xtal_sel));
+        clk[IMX5_CLK_ARM]               = imx_clk_cpu("arm", "cpu_podf",
+                                                clk[IMX5_CLK_CPU_PODF],
+                                                clk[IMX5_CLK_CPU_PODF_SEL],
+                                                clk[IMX5_CLK_PLL1_SW],
+                                                clk[IMX5_CLK_STEP_SEL]);
 
         imx_check_clocks(clk, ARRAY_SIZE(clk));
 
diff --git a/include/dt-bindings/clock/imx5-clock.h b/include/dt-bindings/clock/imx5-clock.h
index 1a36ff4ace1e..f4b7478e23c8 100644
--- a/include/dt-bindings/clock/imx5-clock.h
+++ b/include/dt-bindings/clock/imx5-clock.h
@@ -200,6 +200,7 @@
 #define IMX5_CLK_SATA_REF               188
 #define IMX5_CLK_STEP_SEL               189
 #define IMX5_CLK_CPU_PODF_SEL           190
-#define IMX5_CLK_END                    191
+#define IMX5_CLK_ARM                    191
+#define IMX5_CLK_END                    192
 
 #endif /* __DT_BINDINGS_CLOCK_IMX5_H */