CCM Clock Gating Register 4
| CG0 | sim_m7_clk_r_enable |
| CG1 | iomuxc clock (iomuxc_clk_enable) |
| CG2 | iomuxc gpr clock (iomuxc_gpr_clk_enable) |
| CG3 | Reserved |
| CG4 | sim_m7 clock (sim_m7_clk_enable) |
| CG5 | Reserved |
| CG6 | sim_m clocks (sim_m_clk_enable) |
| CG7 | sim_ems clocks (sim_ems_clk_enable) |
| CG8 | pwm1 clocks (pwm1_clk_enable) |
| CG9 | Reserved |
| CG10 | Reserved |
| CG11 | Reserved |
| CG12 | Reserved |
| CG13 | Reserved |
| CG14 | Reserved |
| CG15 | dma_ps clocks (dma_ps_clk_enable) |