Merge tag 'v3.19-rockchip-clk1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into clk-next-rockchip

- fixes for clock ordering/rate issues
- do not keep all clocks enabled anymore
- allow special pll rates for special cases

4 files changed, 169 insertions, 107 deletions

diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c
index beed49c79126..f88eb7dacd97 100644
--- a/drivers/clk/rockchip/clk-rk3188.c
+++ b/drivers/clk/rockchip/clk-rk3188.c
@@ -257,9 +257,9 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = {
         GATE(0, "hclk_vdpu", "aclk_vdpu", 0,
                         RK2928_CLKGATE_CON(3), 12, GFLAGS),
 
-        GATE(0, "gpll_ddr", "gpll", 0,
+        GATE(0, "gpll_ddr", "gpll", CLK_IGNORE_UNUSED,
                         RK2928_CLKGATE_CON(1), 7, GFLAGS),
-        COMPOSITE(0, "ddrphy", mux_ddrphy_p, 0,
+        COMPOSITE(0, "ddrphy", mux_ddrphy_p, CLK_IGNORE_UNUSED,
                         RK2928_CLKSEL_CON(26), 8, 1, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
                         RK2928_CLKGATE_CON(0), 2, GFLAGS),
 
@@ -270,10 +270,10 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = {
                         RK2928_CLKGATE_CON(0), 6, GFLAGS),
         GATE(0, "pclk_cpu", "pclk_cpu_pre", 0,
                         RK2928_CLKGATE_CON(0), 5, GFLAGS),
-        GATE(0, "hclk_cpu", "hclk_cpu_pre", 0,
+        GATE(0, "hclk_cpu", "hclk_cpu_pre", CLK_IGNORE_UNUSED,
                         RK2928_CLKGATE_CON(0), 4, GFLAGS),
 
-        COMPOSITE(0, "aclk_lcdc0_pre", mux_pll_src_cpll_gpll_p, 0,
+        COMPOSITE(0, "aclk_lcdc0_pre", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED,
                         RK2928_CLKSEL_CON(31), 7, 1, MFLAGS, 0, 5, DFLAGS,
                         RK2928_CLKGATE_CON(3), 0, GFLAGS),
         COMPOSITE(0, "aclk_lcdc1_pre", mux_pll_src_cpll_gpll_p, 0,
@@ -304,9 +304,9 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = {
          * the 480m are generated inside the usb block from these clocks,
          * but they are also a source for the hsicphy clock.
          */
-        GATE(SCLK_OTGPHY0, "sclk_otgphy0", "usb480m", 0,
+        GATE(SCLK_OTGPHY0, "sclk_otgphy0", "usb480m", CLK_IGNORE_UNUSED,
                         RK2928_CLKGATE_CON(1), 5, GFLAGS),
-        GATE(SCLK_OTGPHY1, "sclk_otgphy1", "usb480m", 0,
+        GATE(SCLK_OTGPHY1, "sclk_otgphy1", "usb480m", CLK_IGNORE_UNUSED,
                         RK2928_CLKGATE_CON(1), 6, GFLAGS),
 
         COMPOSITE(0, "mac_src", mux_mac_p, 0,
@@ -320,9 +320,9 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = {
         COMPOSITE(0, "hsadc_src", mux_pll_src_gpll_cpll_p, 0,
                         RK2928_CLKSEL_CON(22), 0, 1, MFLAGS, 8, 8, DFLAGS,
                         RK2928_CLKGATE_CON(2), 6, GFLAGS),
-        COMPOSITE_FRAC(0, "hsadc_frac", "hsadc_src",
+        COMPOSITE_FRAC(0, "hsadc_frac", "hsadc_src", 0,
                         RK2928_CLKSEL_CON(23), 0,
-                        RK2928_CLKGATE_CON(2), 7, 0, GFLAGS),
+                        RK2928_CLKGATE_CON(2), 7, GFLAGS),
         MUX(SCLK_HSADC, "sclk_hsadc", mux_sclk_hsadc_p, 0,
                         RK2928_CLKSEL_CON(22), 4, 2, MFLAGS),
 
@@ -399,8 +399,8 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = {
 
         /* aclk_cpu gates */
         GATE(ACLK_DMA1, "aclk_dma1", "aclk_cpu", 0, RK2928_CLKGATE_CON(5), 0, GFLAGS),
-        GATE(0, "aclk_intmem", "aclk_cpu", 0, RK2928_CLKGATE_CON(4), 12, GFLAGS),
-        GATE(0, "aclk_strc_sys", "aclk_cpu", 0, RK2928_CLKGATE_CON(4), 10, GFLAGS),
+        GATE(0, "aclk_intmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS),
+        GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS),
 
         /* hclk_cpu gates */
         GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", 0, RK2928_CLKGATE_CON(5), 6, GFLAGS),
@@ -416,8 +416,8 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = {
         GATE(HCLK_RGA, "hclk_rga", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 10, GFLAGS),
 
         /* hclk_peri gates */
-        GATE(0, "hclk_peri_axi_matrix", "hclk_peri", 0, RK2928_CLKGATE_CON(4), 0, GFLAGS),
-        GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", 0, RK2928_CLKGATE_CON(4), 6, GFLAGS),
+        GATE(0, "hclk_peri_axi_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS),
+        GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 6, GFLAGS),
         GATE(0, "hclk_emem_peri", "hclk_peri", 0, RK2928_CLKGATE_CON(4), 7, GFLAGS),
         GATE(HCLK_EMAC, "hclk_emac", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS),
         GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS),
@@ -457,18 +457,18 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = {
         GATE(0, "pclk_ddrupctl", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 7, GFLAGS),
         GATE(0, "pclk_ddrpubl", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS),
         GATE(0, "pclk_dbg", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 1, GFLAGS),
-        GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 4, GFLAGS),
-        GATE(PCLK_PMU, "pclk_pmu", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 5, GFLAGS),
+        GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS),
+        GATE(PCLK_PMU, "pclk_pmu", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 5, GFLAGS),
 
         /* aclk_peri */
         GATE(ACLK_DMA2, "aclk_dma2", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS),
         GATE(ACLK_SMC, "aclk_smc", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 8, GFLAGS),
-        GATE(0, "aclk_peri_niu", "aclk_peri", 0, RK2928_CLKGATE_CON(4), 4, GFLAGS),
-        GATE(0, "aclk_cpu_peri", "aclk_peri", 0, RK2928_CLKGATE_CON(4), 2, GFLAGS),
-        GATE(0, "aclk_peri_axi_matrix", "aclk_peri", 0, RK2928_CLKGATE_CON(4), 3, GFLAGS),
+        GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 4, GFLAGS),
+        GATE(0, "aclk_cpu_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS),
+        GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS),
 
         /* pclk_peri gates */
-        GATE(0, "pclk_peri_axi_matrix", "pclk_peri", 0, RK2928_CLKGATE_CON(4), 1, GFLAGS),
+        GATE(0, "pclk_peri_axi_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS),
         GATE(PCLK_PWM23, "pclk_pwm23", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 11, GFLAGS),
         GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS),
         GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS),
@@ -511,7 +511,7 @@ static struct rockchip_clk_branch rk3066a_clk_branches[] __initdata = {
                                                             | CLK_DIVIDER_READ_ONLY,
                         RK2928_CLKGATE_CON(4), 9, GFLAGS),
 
-        GATE(CORE_L2C, "core_l2c", "aclk_cpu", 0,
+        GATE(CORE_L2C, "core_l2c", "aclk_cpu", CLK_IGNORE_UNUSED,
                         RK2928_CLKGATE_CON(9), 4, GFLAGS),
 
         COMPOSITE(0, "aclk_peri_pre", mux_pll_src_gpll_cpll_p, 0,
@@ -618,7 +618,7 @@ PNAME(mux_hsicphy_p)		= { "sclk_otgphy0", "sclk_otgphy1",
                                     "gpll", "cpll" };
 
 static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = {
-        COMPOSITE_NOMUX_DIVTBL(0, "aclk_core", "armclk", 0,
+        COMPOSITE_NOMUX_DIVTBL(0, "aclk_core", "armclk", CLK_IGNORE_UNUSED,
                         RK2928_CLKSEL_CON(1), 3, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
                         div_rk3188_aclk_core_t, RK2928_CLKGATE_CON(0), 7, GFLAGS),
 
@@ -633,7 +633,7 @@ static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = {
                         RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
                         RK2928_CLKGATE_CON(4), 9, GFLAGS),
 
-        GATE(CORE_L2C, "core_l2c", "armclk", 0,
+        GATE(CORE_L2C, "core_l2c", "armclk", CLK_IGNORE_UNUSED,
                         RK2928_CLKGATE_CON(9), 4, GFLAGS),
 
         COMPOSITE(0, "aclk_peri_pre", mux_pll_src_cpll_gpll_p, 0,
diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c
index 23278291da44..174589c95e33 100644
--- a/drivers/clk/rockchip/clk-rk3288.c
+++ b/drivers/clk/rockchip/clk-rk3288.c
@@ -16,6 +16,7 @@
 #include <linux/clk-provider.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/syscore_ops.h>
 #include <dt-bindings/clock/rk3288-cru.h>
 #include "clk.h"
 
@@ -83,11 +84,13 @@ struct rockchip_pll_rate_table rk3288_pll_rates[] = {
         RK3066_PLL_RATE( 742500000, 8, 495, 2),
         RK3066_PLL_RATE( 696000000, 1, 58, 2),
         RK3066_PLL_RATE( 600000000, 1, 50, 2),
-        RK3066_PLL_RATE( 594000000, 2, 198, 4),
+        RK3066_PLL_RATE_BWADJ(594000000, 1, 198, 8, 1),
         RK3066_PLL_RATE( 552000000, 1, 46, 2),
         RK3066_PLL_RATE( 504000000, 1, 84, 4),
+        RK3066_PLL_RATE( 500000000, 3, 125, 2),
         RK3066_PLL_RATE( 456000000, 1, 76, 4),
         RK3066_PLL_RATE( 408000000, 1, 68, 4),
+        RK3066_PLL_RATE( 400000000, 3, 100, 2),
         RK3066_PLL_RATE( 384000000, 2, 128, 4),
         RK3066_PLL_RATE( 360000000, 1, 60, 4),
         RK3066_PLL_RATE( 312000000, 1, 52, 4),
@@ -173,14 +176,14 @@ PNAME(mux_aclk_cpu_src_p)	= { "cpll_aclk_cpu", "gpll_aclk_cpu" };
 PNAME(mux_pll_src_cpll_gpll_p)          = { "cpll", "gpll" };
 PNAME(mux_pll_src_npll_cpll_gpll_p)     = { "npll", "cpll", "gpll" };
 PNAME(mux_pll_src_cpll_gpll_npll_p)     = { "cpll", "gpll", "npll" };
-PNAME(mux_pll_src_cpll_gpll_usb480m_p)  = { "cpll", "gpll", "usb480m" };
+PNAME(mux_pll_src_cpll_gpll_usb480m_p)  = { "cpll", "gpll", "usbphy480m_src" };
+PNAME(mux_pll_src_cpll_gll_usb_npll_p)  = { "cpll", "gpll", "usbphy480m_src", "npll" };
 
 PNAME(mux_mmc_src_p)    = { "cpll", "gpll", "xin24m", "xin24m" };
 PNAME(mux_i2s_pre_p)    = { "i2s_src", "i2s_frac", "ext_i2s", "xin12m" };
 PNAME(mux_i2s_clkout_p) = { "i2s_pre", "xin12m" };
 PNAME(mux_spdif_p)      = { "spdif_pre", "spdif_frac", "xin12m" };
 PNAME(mux_spdif_8ch_p)  = { "spdif_8ch_pre", "spdif_8ch_frac", "xin12m" };
-PNAME(mux_uart0_pll_p)  = { "cpll", "gpll", "usbphy_480m_src", "npll" };
 PNAME(mux_uart0_p)      = { "uart0_src", "uart0_frac", "xin24m" };
 PNAME(mux_uart1_p)      = { "uart1_src", "uart1_frac", "xin24m" };
 PNAME(mux_uart2_p)      = { "uart2_src", "uart2_frac", "xin24m" };
@@ -192,8 +195,8 @@ PNAME(mux_hsadcout_p)	= { "hsadc_src", "ext_hsadc" };
 PNAME(mux_edp_24m_p)    = { "ext_edp_24m", "xin24m" };
 PNAME(mux_tspout_p)     = { "cpll", "gpll", "npll", "xin27m" };
 
-PNAME(mux_usbphy480m_p)         = { "sclk_otgphy0", "sclk_otgphy1",
-                                    "sclk_otgphy2" };
+PNAME(mux_usbphy480m_p)         = { "sclk_otgphy1", "sclk_otgphy2",
+                                    "sclk_otgphy0" };
 PNAME(mux_hsicphy480m_p)        = { "cpll", "gpll", "usbphy480m_src" };
 PNAME(mux_hsicphy12m_p)         = { "hsicphy12m_xin12m", "hsicphy12m_usbphy" };
 
@@ -226,67 +229,67 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
          * Clock-Architecture Diagram 1
          */
 
-        GATE(0, "apll_core", "apll", 0,
+        GATE(0, "apll_core", "apll", CLK_IGNORE_UNUSED,
                         RK3288_CLKGATE_CON(0), 1, GFLAGS),
-        GATE(0, "gpll_core", "gpll", 0,
+        GATE(0, "gpll_core", "gpll", CLK_IGNORE_UNUSED,
                         RK3288_CLKGATE_CON(0), 2, GFLAGS),
 
-        COMPOSITE_NOMUX(0, "armcore0", "armclk", 0,
+        COMPOSITE_NOMUX(0, "armcore0", "armclk", CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(36), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
                         RK3288_CLKGATE_CON(12), 0, GFLAGS),
-        COMPOSITE_NOMUX(0, "armcore1", "armclk", 0,
+        COMPOSITE_NOMUX(0, "armcore1", "armclk", CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(36), 4, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
                         RK3288_CLKGATE_CON(12), 1, GFLAGS),
-        COMPOSITE_NOMUX(0, "armcore2", "armclk", 0,
+        COMPOSITE_NOMUX(0, "armcore2", "armclk", CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(36), 8, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
                         RK3288_CLKGATE_CON(12), 2, GFLAGS),
-        COMPOSITE_NOMUX(0, "armcore3", "armclk", 0,
+        COMPOSITE_NOMUX(0, "armcore3", "armclk", CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(36), 12, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
                         RK3288_CLKGATE_CON(12), 3, GFLAGS),
-        COMPOSITE_NOMUX(0, "l2ram", "armclk", 0,
+        COMPOSITE_NOMUX(0, "l2ram", "armclk", CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(37), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
                         RK3288_CLKGATE_CON(12), 4, GFLAGS),
-        COMPOSITE_NOMUX(0, "aclk_core_m0", "armclk", 0,
+        COMPOSITE_NOMUX(0, "aclk_core_m0", "armclk", CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(0), 0, 4, DFLAGS | CLK_DIVIDER_READ_ONLY,
                         RK3288_CLKGATE_CON(12), 5, GFLAGS),
-        COMPOSITE_NOMUX(0, "aclk_core_mp", "armclk", 0,
+        COMPOSITE_NOMUX(0, "aclk_core_mp", "armclk", CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(0), 4, 4, DFLAGS | CLK_DIVIDER_READ_ONLY,
                         RK3288_CLKGATE_CON(12), 6, GFLAGS),
         COMPOSITE_NOMUX(0, "atclk", "armclk", 0,
                         RK3288_CLKSEL_CON(37), 4, 5, DFLAGS | CLK_DIVIDER_READ_ONLY,
                         RK3288_CLKGATE_CON(12), 7, GFLAGS),
-        COMPOSITE_NOMUX(0, "pclk_dbg_pre", "armclk", 0,
+        COMPOSITE_NOMUX(0, "pclk_dbg_pre", "armclk", CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(37), 9, 5, DFLAGS | CLK_DIVIDER_READ_ONLY,
                         RK3288_CLKGATE_CON(12), 8, GFLAGS),
         GATE(0, "pclk_dbg", "pclk_dbg_pre", 0,
                         RK3288_CLKGATE_CON(12), 9, GFLAGS),
-        GATE(0, "cs_dbg", "pclk_dbg_pre", 0,
+        GATE(0, "cs_dbg", "pclk_dbg_pre", CLK_IGNORE_UNUSED,
                         RK3288_CLKGATE_CON(12), 10, GFLAGS),
         GATE(0, "pclk_core_niu", "pclk_dbg_pre", 0,
                         RK3288_CLKGATE_CON(12), 11, GFLAGS),
 
-        GATE(0, "dpll_ddr", "dpll", 0,
+        GATE(0, "dpll_ddr", "dpll", CLK_IGNORE_UNUSED,
                         RK3288_CLKGATE_CON(0), 8, GFLAGS),
         GATE(0, "gpll_ddr", "gpll", 0,
                         RK3288_CLKGATE_CON(0), 9, GFLAGS),
-        COMPOSITE_NOGATE(0, "ddrphy", mux_ddrphy_p, 0,
+        COMPOSITE_NOGATE(0, "ddrphy", mux_ddrphy_p, CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(26), 2, 1, MFLAGS, 0, 2,
                                         DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
 
-        GATE(0, "gpll_aclk_cpu", "gpll", 0,
+        GATE(0, "gpll_aclk_cpu", "gpll", CLK_IGNORE_UNUSED,
                         RK3288_CLKGATE_CON(0), 10, GFLAGS),
-        GATE(0, "cpll_aclk_cpu", "cpll", 0,
+        GATE(0, "cpll_aclk_cpu", "cpll", CLK_IGNORE_UNUSED,
                         RK3288_CLKGATE_CON(0), 11, GFLAGS),
-        COMPOSITE_NOGATE(0, "aclk_cpu_src", mux_aclk_cpu_src_p, 0,
+        COMPOSITE_NOGATE(0, "aclk_cpu_src", mux_aclk_cpu_src_p, CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(1), 15, 1, MFLAGS, 3, 5, DFLAGS),
-        DIV(0, "aclk_cpu_pre", "aclk_cpu_src", 0,
+        DIV(0, "aclk_cpu_pre", "aclk_cpu_src", CLK_SET_RATE_PARENT,
                         RK3288_CLKSEL_CON(1), 0, 3, DFLAGS),
-        GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_pre", 0,
+        GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_pre", CLK_IGNORE_UNUSED,
                         RK3288_CLKGATE_CON(0), 3, GFLAGS),
-        COMPOSITE_NOMUX(PCLK_CPU, "pclk_cpu", "aclk_cpu_pre", 0,
+        COMPOSITE_NOMUX(PCLK_CPU, "pclk_cpu", "aclk_cpu_pre", CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(1), 12, 3, DFLAGS,
                         RK3288_CLKGATE_CON(0), 5, GFLAGS),
-        COMPOSITE_NOMUX_DIVTBL(HCLK_CPU, "hclk_cpu", "aclk_cpu_pre", 0,
+        COMPOSITE_NOMUX_DIVTBL(HCLK_CPU, "hclk_cpu", "aclk_cpu_pre", CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(1), 8, 2, DFLAGS, div_hclk_cpu_t,
                         RK3288_CLKGATE_CON(0), 4, GFLAGS),
         GATE(0, "c2c_host", "aclk_cpu_src", 0,
@@ -294,7 +297,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
         COMPOSITE_NOMUX(0, "crypto", "aclk_cpu_pre", 0,
                         RK3288_CLKSEL_CON(26), 6, 2, DFLAGS,
                         RK3288_CLKGATE_CON(5), 4, GFLAGS),
-        GATE(0, "aclk_bus_2pmu", "aclk_cpu_pre", 0,
+        GATE(0, "aclk_bus_2pmu", "aclk_cpu_pre", CLK_IGNORE_UNUSED,
                         RK3288_CLKGATE_CON(0), 7, GFLAGS),
 
         COMPOSITE(0, "i2s_src", mux_pll_src_cpll_gpll_p, 0,
@@ -305,7 +308,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
                         RK3288_CLKGATE_CON(4), 2, GFLAGS),
         MUX(0, "i2s_pre", mux_i2s_pre_p, CLK_SET_RATE_PARENT,
                         RK3288_CLKSEL_CON(4), 8, 2, MFLAGS),
-        COMPOSITE_NODIV(0, "i2s0_clkout", mux_i2s_clkout_p, CLK_SET_RATE_PARENT,
+        COMPOSITE_NODIV(0, "i2s0_clkout", mux_i2s_clkout_p, 0,
                         RK3288_CLKSEL_CON(4), 12, 1, MFLAGS,
                         RK3288_CLKGATE_CON(4), 0, GFLAGS),
         GATE(SCLK_I2S0, "sclk_i2s0", "i2s_pre", CLK_SET_RATE_PARENT,
@@ -325,7 +328,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
         COMPOSITE_NOMUX(0, "spdif_8ch_pre", "spdif_src", 0,
                         RK3288_CLKSEL_CON(40), 0, 7, DFLAGS,
                         RK3288_CLKGATE_CON(4), 7, GFLAGS),
-        COMPOSITE_FRAC(0, "spdif_8ch_frac", "spdif_8ch_src", 0,
+        COMPOSITE_FRAC(0, "spdif_8ch_frac", "spdif_8ch_pre", 0,
                         RK3288_CLKSEL_CON(41), 0,
                         RK3288_CLKGATE_CON(4), 8, GFLAGS),
         COMPOSITE_NODIV(SCLK_SPDIF8CH, "sclk_spdif_8ch", mux_spdif_8ch_p, 0,
@@ -373,12 +376,12 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
         GATE(HCLK_VCODEC, "hclk_vcodec", "hclk_vcodec_pre", 0,
                 RK3288_CLKGATE_CON(9), 1, GFLAGS),
 
-        COMPOSITE(0, "aclk_vio0", mux_pll_src_cpll_gpll_usb480m_p, 0,
+        COMPOSITE(0, "aclk_vio0", mux_pll_src_cpll_gpll_usb480m_p, CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(31), 6, 2, MFLAGS, 0, 5, DFLAGS,
                         RK3288_CLKGATE_CON(3), 0, GFLAGS),
         DIV(0, "hclk_vio", "aclk_vio0", 0,
                         RK3288_CLKSEL_CON(28), 8, 5, DFLAGS),
-        COMPOSITE(0, "aclk_vio1", mux_pll_src_cpll_gpll_usb480m_p, 0,
+        COMPOSITE(0, "aclk_vio1", mux_pll_src_cpll_gpll_usb480m_p, CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(31), 14, 2, MFLAGS, 8, 5, DFLAGS,
                         RK3288_CLKGATE_CON(3), 2, GFLAGS),
 
@@ -436,24 +439,24 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
 
         DIV(0, "pclk_pd_alive", "gpll", 0,
                         RK3288_CLKSEL_CON(33), 8, 5, DFLAGS),
-        COMPOSITE_NOMUX(0, "pclk_pd_pmu", "gpll", 0,
+        COMPOSITE_NOMUX(0, "pclk_pd_pmu", "gpll", CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(33), 0, 5, DFLAGS,
                         RK3288_CLKGATE_CON(5), 8, GFLAGS),
 
-        COMPOSITE(SCLK_GPU, "sclk_gpu", mux_pll_src_cpll_gpll_usb480m_p, 0,
+        COMPOSITE(SCLK_GPU, "sclk_gpu", mux_pll_src_cpll_gll_usb_npll_p, 0,
                         RK3288_CLKSEL_CON(34), 6, 2, MFLAGS, 0, 5, DFLAGS,
                         RK3288_CLKGATE_CON(5), 7, GFLAGS),
 
-        COMPOSITE(0, "aclk_peri_src", mux_pll_src_cpll_gpll_p, 0,
+        COMPOSITE(0, "aclk_peri_src", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
                         RK3288_CLKGATE_CON(2), 0, GFLAGS),
         COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_src", 0,
                         RK3288_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
                         RK3288_CLKGATE_CON(2), 3, GFLAGS),
-        COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_src", 0,
+        COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_src", CLK_IGNORE_UNUSED,
                         RK3288_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
                         RK3288_CLKGATE_CON(2), 2, GFLAGS),
-        GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", 0,
+        GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", CLK_IGNORE_UNUSED,
                         RK3288_CLKGATE_CON(2), 1, GFLAGS),
 
         /*
@@ -490,13 +493,13 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
                         RK3288_CLKSEL_CON(35), 6, 2, MFLAGS, 0, 5, DFLAGS,
                         RK3288_CLKGATE_CON(4), 10, GFLAGS),
 
-        GATE(SCLK_OTGPHY0, "sclk_otgphy0", "usb480m", 0,
+        GATE(SCLK_OTGPHY0, "sclk_otgphy0", "usb480m", CLK_IGNORE_UNUSED,
                         RK3288_CLKGATE_CON(13), 4, GFLAGS),
-        GATE(SCLK_OTGPHY1, "sclk_otgphy1", "usb480m", 0,
+        GATE(SCLK_OTGPHY1, "sclk_otgphy1", "usb480m", CLK_IGNORE_UNUSED,
                         RK3288_CLKGATE_CON(13), 5, GFLAGS),
-        GATE(SCLK_OTGPHY2, "sclk_otgphy2", "usb480m", 0,
+        GATE(SCLK_OTGPHY2, "sclk_otgphy2", "usb480m", CLK_IGNORE_UNUSED,
                         RK3288_CLKGATE_CON(13), 6, GFLAGS),
-        GATE(SCLK_OTG_ADP, "sclk_otg_adp", "xin32k", 0,
+        GATE(SCLK_OTG_ADP, "sclk_otg_adp", "xin32k", CLK_IGNORE_UNUSED,
                         RK3288_CLKGATE_CON(13), 7, GFLAGS),
 
         COMPOSITE_NOMUX(SCLK_TSADC, "sclk_tsadc", "xin32k", 0,
@@ -517,7 +520,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
                         RK3288_CLKSEL_CON(38), 15, 1, MFLAGS, 8, 5, DFLAGS,
                         RK3288_CLKGATE_CON(5), 6, GFLAGS),
 
-        COMPOSITE(0, "uart0_src", mux_uart0_pll_p, 0,
+        COMPOSITE(0, "uart0_src", mux_pll_src_cpll_gll_usb_npll_p, 0,
                         RK3288_CLKSEL_CON(13), 13, 2, MFLAGS, 0, 7, DFLAGS,
                         RK3288_CLKGATE_CON(1), 8, GFLAGS),
         COMPOSITE_FRAC(0, "uart0_frac", "uart0_src", 0,
@@ -585,7 +588,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
 
         COMPOSITE_NODIV(0, "usbphy480m_src", mux_usbphy480m_p, 0,
                         RK3288_CLKSEL_CON(13), 11, 2, MFLAGS,
-                        RK3288_CLKGATE_CON(5), 15, GFLAGS),
+                        RK3288_CLKGATE_CON(5), 14, GFLAGS),
         COMPOSITE_NODIV(SCLK_HSICPHY480M, "sclk_hsicphy480m", mux_hsicphy480m_p, 0,
                         RK3288_CLKSEL_CON(29), 0, 2, MFLAGS,
                         RK3288_CLKGATE_CON(3), 6, GFLAGS),
@@ -601,19 +604,19 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
          */
 
         /* aclk_cpu gates */
-        GATE(0, "sclk_intmem0", "aclk_cpu", 0, RK3288_CLKGATE_CON(10), 5, GFLAGS),
-        GATE(0, "sclk_intmem1", "aclk_cpu", 0, RK3288_CLKGATE_CON(10), 6, GFLAGS),
-        GATE(0, "sclk_intmem2", "aclk_cpu", 0, RK3288_CLKGATE_CON(10), 7, GFLAGS),
+        GATE(0, "sclk_intmem0", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 5, GFLAGS),
+        GATE(0, "sclk_intmem1", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 6, GFLAGS),
+        GATE(0, "sclk_intmem2", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 7, GFLAGS),
         GATE(ACLK_DMAC1, "aclk_dmac1", "aclk_cpu", 0, RK3288_CLKGATE_CON(10), 12, GFLAGS),
-        GATE(0, "aclk_strc_sys", "aclk_cpu", 0, RK3288_CLKGATE_CON(10), 13, GFLAGS),
-        GATE(0, "aclk_intmem", "aclk_cpu", 0, RK3288_CLKGATE_CON(10), 4, GFLAGS),
+        GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 13, GFLAGS),
+        GATE(0, "aclk_intmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 4, GFLAGS),
         GATE(ACLK_CRYPTO, "aclk_crypto", "aclk_cpu", 0, RK3288_CLKGATE_CON(11), 6, GFLAGS),
         GATE(0, "aclk_ccp", "aclk_cpu", 0, RK3288_CLKGATE_CON(11), 8, GFLAGS),
 
         /* hclk_cpu gates */
         GATE(HCLK_CRYPTO, "hclk_crypto", "hclk_cpu", 0, RK3288_CLKGATE_CON(11), 7, GFLAGS),
         GATE(HCLK_I2S0, "hclk_i2s0", "hclk_cpu", 0, RK3288_CLKGATE_CON(10), 8, GFLAGS),
-        GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", 0, RK3288_CLKGATE_CON(10), 9, GFLAGS),
+        GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 9, GFLAGS),
         GATE(HCLK_SPDIF, "hclk_spdif", "hclk_cpu", 0, RK3288_CLKGATE_CON(10), 10, GFLAGS),
         GATE(HCLK_SPDIF8CH, "hclk_spdif_8ch", "hclk_cpu", 0, RK3288_CLKGATE_CON(10), 11, GFLAGS),
 
@@ -630,34 +633,34 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
         GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 3, GFLAGS),
         GATE(PCLK_UART2, "pclk_uart2", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 9, GFLAGS),
         GATE(0, "pclk_efuse_256", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 10, GFLAGS),
-        GATE(PCLK_RKPWM, "pclk_rkpwm", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 11, GFLAGS),
+        GATE(PCLK_RKPWM, "pclk_rkpwm", "pclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 11, GFLAGS),
 
         /* ddrctrl [DDR Controller PHY clock] gates */
-        GATE(0, "nclk_ddrupctl0", "ddrphy", 0, RK3288_CLKGATE_CON(11), 4, GFLAGS),
-        GATE(0, "nclk_ddrupctl1", "ddrphy", 0, RK3288_CLKGATE_CON(11), 5, GFLAGS),
+        GATE(0, "nclk_ddrupctl0", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 4, GFLAGS),
+        GATE(0, "nclk_ddrupctl1", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 5, GFLAGS),
 
         /* ddrphy gates */
-        GATE(0, "sclk_ddrphy0", "ddrphy", 0, RK3288_CLKGATE_CON(4), 12, GFLAGS),
-        GATE(0, "sclk_ddrphy1", "ddrphy", 0, RK3288_CLKGATE_CON(4), 13, GFLAGS),
+        GATE(0, "sclk_ddrphy0", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(4), 12, GFLAGS),
+        GATE(0, "sclk_ddrphy1", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(4), 13, GFLAGS),
 
         /* aclk_peri gates */
-        GATE(0, "aclk_peri_axi_matrix", "aclk_peri", 0, RK3288_CLKGATE_CON(6), 2, GFLAGS),
+        GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(6), 2, GFLAGS),
         GATE(ACLK_DMAC2, "aclk_dmac2", "aclk_peri", 0, RK3288_CLKGATE_CON(6), 3, GFLAGS),
-        GATE(0, "aclk_peri_niu", "aclk_peri", 0, RK3288_CLKGATE_CON(7), 11, GFLAGS),
-        GATE(ACLK_MMU, "aclk_mmu", "aclk_peri", 0, RK3288_CLKGATE_CON(8), 12, GFLAGS),
+        GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 11, GFLAGS),
+        GATE(ACLK_MMU, "aclk_mmu", "aclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(8), 12, GFLAGS),
         GATE(ACLK_GMAC, "aclk_gmac", "aclk_peri", 0, RK3288_CLKGATE_CON(8), 0, GFLAGS),
         GATE(HCLK_GPS, "hclk_gps", "aclk_peri", 0, RK3288_CLKGATE_CON(8), 2, GFLAGS),
 
         /* hclk_peri gates */
-        GATE(0, "hclk_peri_matrix", "hclk_peri", 0, RK3288_CLKGATE_CON(6), 0, GFLAGS),
-        GATE(HCLK_OTG0, "hclk_otg0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 4, GFLAGS),
+        GATE(0, "hclk_peri_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(6), 0, GFLAGS),
+        GATE(HCLK_OTG0, "hclk_otg0", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 4, GFLAGS),
         GATE(HCLK_USBHOST0, "hclk_host0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 6, GFLAGS),
-        GATE(HCLK_USBHOST1, "hclk_host1", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 7, GFLAGS),
+        GATE(HCLK_USBHOST1, "hclk_host1", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 7, GFLAGS),
         GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 8, GFLAGS),
-        GATE(0, "hclk_usb_peri", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 9, GFLAGS),
-        GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 10, GFLAGS),
-        GATE(0, "hclk_emem", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 12, GFLAGS),
-        GATE(0, "hclk_mem", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 13, GFLAGS),
+        GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 9, GFLAGS),
+        GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 10, GFLAGS),
+        GATE(0, "hclk_emem", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 12, GFLAGS),
+        GATE(0, "hclk_mem", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 13, GFLAGS),
         GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 14, GFLAGS),
         GATE(HCLK_NANDC1, "hclk_nandc1", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 15, GFLAGS),
         GATE(HCLK_TSP, "hclk_tsp", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 8, GFLAGS),
@@ -669,7 +672,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
         GATE(0, "pmu_hclk_otg0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 5, GFLAGS),
 
         /* pclk_peri gates */
-        GATE(0, "pclk_peri_matrix", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 1, GFLAGS),
+        GATE(0, "pclk_peri_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(6), 1, GFLAGS),
         GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 4, GFLAGS),
         GATE(PCLK_SPI1, "pclk_spi1", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 5, GFLAGS),
         GATE(PCLK_SPI2, "pclk_spi2", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 6, GFLAGS),
@@ -705,48 +708,48 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
         GATE(PCLK_GPIO4, "pclk_gpio4", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 4, GFLAGS),
         GATE(PCLK_GPIO5, "pclk_gpio5", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 5, GFLAGS),
         GATE(PCLK_GPIO6, "pclk_gpio6", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 6, GFLAGS),
-        GATE(PCLK_GRF, "pclk_grf", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 11, GFLAGS),
-        GATE(0, "pclk_alive_niu", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 12, GFLAGS),
+        GATE(PCLK_GRF, "pclk_grf", "pclk_pd_alive", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(14), 11, GFLAGS),
+        GATE(0, "pclk_alive_niu", "pclk_pd_alive", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(14), 12, GFLAGS),
 
         /* pclk_pd_pmu gates */
-        GATE(PCLK_PMU, "pclk_pmu", "pclk_pd_pmu", 0, RK3288_CLKGATE_CON(17), 0, GFLAGS),
-        GATE(0, "pclk_intmem1", "pclk_pd_pmu", 0, RK3288_CLKGATE_CON(17), 1, GFLAGS),
-        GATE(0, "pclk_pmu_niu", "pclk_pd_pmu", 0, RK3288_CLKGATE_CON(17), 2, GFLAGS),
-        GATE(PCLK_SGRF, "pclk_sgrf", "pclk_pd_pmu", 0, RK3288_CLKGATE_CON(17), 3, GFLAGS),
+        GATE(PCLK_PMU, "pclk_pmu", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(17), 0, GFLAGS),
+        GATE(0, "pclk_intmem1", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(17), 1, GFLAGS),
+        GATE(0, "pclk_pmu_niu", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(17), 2, GFLAGS),
+        GATE(PCLK_SGRF, "pclk_sgrf", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(17), 3, GFLAGS),
         GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_pd_pmu", 0, RK3288_CLKGATE_CON(17), 4, GFLAGS),
 
         /* hclk_vio gates */
         GATE(HCLK_RGA, "hclk_rga", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 1, GFLAGS),
         GATE(HCLK_VOP0, "hclk_vop0", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 6, GFLAGS),
         GATE(HCLK_VOP1, "hclk_vop1", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 8, GFLAGS),
-        GATE(HCLK_VIO_AHB_ARBI, "hclk_vio_ahb_arbi", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 9, GFLAGS),
-        GATE(HCLK_VIO_NIU, "hclk_vio_niu", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 10, GFLAGS),
+        GATE(HCLK_VIO_AHB_ARBI, "hclk_vio_ahb_arbi", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 9, GFLAGS),
+        GATE(HCLK_VIO_NIU, "hclk_vio_niu", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 10, GFLAGS),
         GATE(HCLK_VIP, "hclk_vip", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 15, GFLAGS),
         GATE(HCLK_IEP, "hclk_iep", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 3, GFLAGS),
         GATE(HCLK_ISP, "hclk_isp", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 1, GFLAGS),
-        GATE(HCLK_VIO2_H2P, "hclk_vio2_h2p", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 10, GFLAGS),
+        GATE(HCLK_VIO2_H2P, "hclk_vio2_h2p", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(16), 10, GFLAGS),
         GATE(PCLK_MIPI_DSI0, "pclk_mipi_dsi0", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 4, GFLAGS),
         GATE(PCLK_MIPI_DSI1, "pclk_mipi_dsi1", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 5, GFLAGS),
         GATE(PCLK_MIPI_CSI, "pclk_mipi_csi", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 6, GFLAGS),
         GATE(PCLK_LVDS_PHY, "pclk_lvds_phy", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 7, GFLAGS),
-        GATE(PCLK_EDP_CTRL, "pclk_edp_ctrl", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 8, GFLAGS),
+        GATE(PCLK_EDP_CTRL, "pclk_edp_ctrl", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(16), 8, GFLAGS),
         GATE(PCLK_HDMI_CTRL, "pclk_hdmi_ctrl", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 9, GFLAGS),
-        GATE(PCLK_VIO2_H2P, "pclk_vio2_h2p", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 11, GFLAGS),
+        GATE(PCLK_VIO2_H2P, "pclk_vio2_h2p", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(16), 11, GFLAGS),
 
         /* aclk_vio0 gates */
         GATE(ACLK_VOP0, "aclk_vop0", "aclk_vio0", 0, RK3288_CLKGATE_CON(15), 5, GFLAGS),
         GATE(ACLK_IEP, "aclk_iep", "aclk_vio0", 0, RK3288_CLKGATE_CON(15), 2, GFLAGS),
-        GATE(ACLK_VIO0_NIU, "aclk_vio0_niu", "aclk_vio0", 0, RK3288_CLKGATE_CON(15), 11, GFLAGS),
+        GATE(ACLK_VIO0_NIU, "aclk_vio0_niu", "aclk_vio0", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 11, GFLAGS),
         GATE(ACLK_VIP, "aclk_vip", "aclk_vio0", 0, RK3288_CLKGATE_CON(15), 14, GFLAGS),
 
         /* aclk_vio1 gates */
         GATE(ACLK_VOP1, "aclk_vop1", "aclk_vio1", 0, RK3288_CLKGATE_CON(15), 7, GFLAGS),
         GATE(ACLK_ISP, "aclk_isp", "aclk_vio1", 0, RK3288_CLKGATE_CON(16), 2, GFLAGS),
-        GATE(ACLK_VIO1_NIU, "aclk_vio1_niu", "aclk_vio1", 0, RK3288_CLKGATE_CON(15), 12, GFLAGS),
+        GATE(ACLK_VIO1_NIU, "aclk_vio1_niu", "aclk_vio1", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 12, GFLAGS),
 
         /* aclk_rga_pre gates */
         GATE(ACLK_RGA, "aclk_rga", "aclk_rga_pre", 0, RK3288_CLKGATE_CON(15), 0, GFLAGS),
-        GATE(ACLK_RGA_NIU, "aclk_rga_niu", "aclk_rga_pre", 0, RK3288_CLKGATE_CON(15), 13, GFLAGS),
+        GATE(ACLK_RGA_NIU, "aclk_rga_niu", "aclk_rga_pre", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 13, GFLAGS),
 
         /*
          * Other ungrouped clocks.
@@ -762,6 +765,64 @@ static const char *rk3288_critical_clocks[] __initconst = {
         "hclk_peri",
 };
 
+#ifdef CONFIG_PM_SLEEP
+static void __iomem *rk3288_cru_base;
+
+/* Some CRU registers will be reset in maskrom when the system
+ * wakes up from fastboot.
+ * So save them before suspend, restore them after resume.
+ */
+static const int rk3288_saved_cru_reg_ids[] = {
+        RK3288_MODE_CON,
+        RK3288_CLKSEL_CON(0),
+        RK3288_CLKSEL_CON(1),
+        RK3288_CLKSEL_CON(10),
+        RK3288_CLKSEL_CON(33),
+        RK3288_CLKSEL_CON(37),
+};
+
+static u32 rk3288_saved_cru_regs[ARRAY_SIZE(rk3288_saved_cru_reg_ids)];
+
+static int rk3288_clk_suspend(void)
+{
+        int i, reg_id;
+
+        for (i = 0; i < ARRAY_SIZE(rk3288_saved_cru_reg_ids); i++) {
+                reg_id = rk3288_saved_cru_reg_ids[i];
+
+                rk3288_saved_cru_regs[i] =
+                                readl_relaxed(rk3288_cru_base + reg_id);
+        }
+        return 0;
+}
+
+static void rk3288_clk_resume(void)
+{
+        int i, reg_id;
+
+        for (i = ARRAY_SIZE(rk3288_saved_cru_reg_ids) - 1; i >= 0; i--) {
+                reg_id = rk3288_saved_cru_reg_ids[i];
+
+                writel_relaxed(rk3288_saved_cru_regs[i] | 0xffff0000,
+                               rk3288_cru_base + reg_id);
+        }
+}
+
+static struct syscore_ops rk3288_clk_syscore_ops = {
+        .suspend = rk3288_clk_suspend,
+        .resume = rk3288_clk_resume,
+};
+
+static void rk3288_clk_sleep_init(void __iomem *reg_base)
+{
+        rk3288_cru_base = reg_base;
+        register_syscore_ops(&rk3288_clk_syscore_ops);
+}
+
+#else /* CONFIG_PM_SLEEP */
+static void rk3288_clk_sleep_init(void __iomem *reg_base) {}
+#endif
+
 static void __init rk3288_clk_init(struct device_node *np)
 {
         void __iomem *reg_base;
@@ -810,5 +871,6 @@ static void __init rk3288_clk_init(struct device_node *np)
                                   ROCKCHIP_SOFTRST_HIWORD_MASK);
 
         rockchip_register_restart_notifier(RK3288_GLB_SRST_FST);
+        rk3288_clk_sleep_init(reg_base);
 }
 CLK_OF_DECLARE(rk3288_cru, "rockchip,rk3288-cru", rk3288_clk_init);
diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c
index 1e68bff481b8..dec6f8d6dc13 100644
--- a/drivers/clk/rockchip/clk.c
+++ b/drivers/clk/rockchip/clk.c
@@ -246,9 +246,6 @@ void __init rockchip_clk_register_branches(
                                         list->div_flags, &clk_lock);
                         break;
                 case branch_fraction_divider:
-                        /* keep all gates untouched for now */
-                        flags |= CLK_IGNORE_UNUSED;
-
                         clk = rockchip_clk_register_frac_branch(list->name,
                                 list->parent_names, list->num_parents,
                                 reg_base, list->muxdiv_offset, list->div_flags,
@@ -258,18 +255,12 @@ void __init rockchip_clk_register_branches(
                 case branch_gate:
                         flags |= CLK_SET_RATE_PARENT;
 
-                        /* keep all gates untouched for now */
-                        flags |= CLK_IGNORE_UNUSED;
-
                         clk = clk_register_gate(NULL, list->name,
                                 list->parent_names[0], flags,
                                 reg_base + list->gate_offset,
                                 list->gate_shift, list->gate_flags, &clk_lock);
                         break;
                 case branch_composite:
-                        /* keep all gates untouched for now */
-                        flags |= CLK_IGNORE_UNUSED;
-
                         clk = rockchip_clk_register_branch(list->name,
                                 list->parent_names, list->num_parents,
                                 reg_base, list->muxdiv_offset, list->mux_shift,
diff --git a/drivers/clk/rockchip/clk.h b/drivers/clk/rockchip/clk.h
index ca009ab0a33a..6baf6655b5c3 100644
--- a/drivers/clk/rockchip/clk.h
+++ b/drivers/clk/rockchip/clk.h
@@ -62,6 +62,15 @@ enum rockchip_pll_type {
         .bwadj = (_nf >> 1),                    \
 }
 
+#define RK3066_PLL_RATE_BWADJ(_rate, _nr, _nf, _no, _bw)        \
+{                                                               \
+        .rate   = _rate##U,                                     \
+        .nr = _nr,                                              \
+        .nf = _nf,                                              \
+        .no = _no,                                              \
+        .bwadj = _bw,                                           \
+}
+
 struct rockchip_pll_rate_table {
         unsigned long rate;
         unsigned int nr;