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>

diff --git a/arch/arm/mach-imx/clk-imx51-imx53.c b/arch/arm/mach-imx/clk-imx51-imx53.c
index aafccf4b47c2c5fcf5af354ab7bb9e5ef5741006..0f7e536147cb09d3d86783bb30550b931d971a22 100644 (file)
--- 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 1a36ff4ace1ec2bccc24fd7d46fa4f80ae83898c..f4b7478e23c893b28893c6f262a1e1c29fe122d6 100644 (file)
--- 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 */