We will need a pll to support all kinds of clock rate requirement for HDMI(from DCLK_VOP0) which may change the rate at run time. In order not to affect other clocks, remove the npll from the parent list of other clocks and only DCLK_VOP0 can select npll as parent. Signed-off-by: Kever Yang <kever.yang at rock-chips.com> --- drivers/clk/rockchip/clk-rk3288.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c index b4a74c2..6eb1407 100644 --- a/drivers/clk/rockchip/clk-rk3288.c +++ b/drivers/clk/rockchip/clk-rk3288.c @@ -174,7 +174,7 @@ PNAME(mux_ddrphy_p) = { "dpll_ddr", "gpll_ddr" }; 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_npll_cpll_gpll_p) = { "dummy", "cpll", "gpll" }; PNAME(mux_pll_src_cpll_gpll_npll_p) = { "cpll", "gpll", "npll" }; 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" }; @@ -392,24 +392,24 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { RK3288_CLKSEL_CON(30), 14, 2, MFLAGS, 8, 5, DFLAGS, RK3288_CLKGATE_CON(3), 4, GFLAGS), - COMPOSITE(DCLK_VOP0, "dclk_vop0", mux_pll_src_cpll_gpll_npll_p, 0, + COMPOSITE(DCLK_VOP0, "dclk_vop0", mux_pll_src_cpll_gpll_npll_p, CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(27), 0, 2, MFLAGS, 8, 8, DFLAGS, RK3288_CLKGATE_CON(3), 1, GFLAGS), - COMPOSITE(DCLK_VOP1, "dclk_vop1", mux_pll_src_cpll_gpll_npll_p, 0, + COMPOSITE(DCLK_VOP1, "dclk_vop1", mux_pll_src_cpll_gpll_p, 0, RK3288_CLKSEL_CON(29), 6, 2, MFLAGS, 8, 8, DFLAGS, RK3288_CLKGATE_CON(3), 3, GFLAGS), COMPOSITE_NODIV(SCLK_EDP_24M, "sclk_edp_24m", mux_edp_24m_p, 0, RK3288_CLKSEL_CON(28), 15, 1, MFLAGS, RK3288_CLKGATE_CON(3), 12, GFLAGS), - COMPOSITE(SCLK_EDP, "sclk_edp", mux_pll_src_cpll_gpll_npll_p, 0, + COMPOSITE(SCLK_EDP, "sclk_edp", mux_pll_src_cpll_gpll_p, 0, RK3288_CLKSEL_CON(28), 6, 2, MFLAGS, 0, 6, DFLAGS, RK3288_CLKGATE_CON(3), 13, GFLAGS), - COMPOSITE(SCLK_ISP, "sclk_isp", mux_pll_src_cpll_gpll_npll_p, 0, + COMPOSITE(SCLK_ISP, "sclk_isp", mux_pll_src_cpll_gpll_p, 0, RK3288_CLKSEL_CON(6), 6, 2, MFLAGS, 0, 6, DFLAGS, RK3288_CLKGATE_CON(3), 14, GFLAGS), - COMPOSITE(SCLK_ISP_JPE, "sclk_isp_jpe", mux_pll_src_cpll_gpll_npll_p, 0, + COMPOSITE(SCLK_ISP_JPE, "sclk_isp_jpe", mux_pll_src_cpll_gpll_p, 0, RK3288_CLKSEL_CON(6), 14, 2, MFLAGS, 8, 6, DFLAGS, RK3288_CLKGATE_CON(3), 15, GFLAGS), @@ -418,16 +418,16 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { GATE(SCLK_HDMI_CEC, "sclk_hdmi_cec", "xin32k", 0, RK3288_CLKGATE_CON(5), 11, GFLAGS), - COMPOSITE(ACLK_HEVC, "aclk_hevc", mux_pll_src_cpll_gpll_npll_p, 0, + COMPOSITE(ACLK_HEVC, "aclk_hevc", mux_pll_src_cpll_gpll_p, 0, RK3288_CLKSEL_CON(39), 14, 2, MFLAGS, 8, 5, DFLAGS, RK3288_CLKGATE_CON(13), 13, GFLAGS), DIV(HCLK_HEVC, "hclk_hevc", "aclk_hevc", 0, RK3288_CLKSEL_CON(40), 12, 2, DFLAGS), - COMPOSITE(SCLK_HEVC_CABAC, "sclk_hevc_cabac", mux_pll_src_cpll_gpll_npll_p, 0, + COMPOSITE(SCLK_HEVC_CABAC, "sclk_hevc_cabac", mux_pll_src_cpll_gpll_p, 0, RK3288_CLKSEL_CON(42), 6, 2, MFLAGS, 0, 5, DFLAGS, RK3288_CLKGATE_CON(13), 14, GFLAGS), - COMPOSITE(SCLK_HEVC_CORE, "sclk_hevc_core", mux_pll_src_cpll_gpll_npll_p, 0, + COMPOSITE(SCLK_HEVC_CORE, "sclk_hevc_core", mux_pll_src_cpll_gpll_p, 0, RK3288_CLKSEL_CON(42), 14, 2, MFLAGS, 8, 5, DFLAGS, RK3288_CLKGATE_CON(13), 15, GFLAGS), @@ -443,7 +443,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { RK3288_CLKSEL_CON(33), 0, 5, DFLAGS, RK3288_CLKGATE_CON(5), 8, GFLAGS), - COMPOSITE(SCLK_GPU, "sclk_gpu", mux_pll_src_cpll_gll_usb_npll_p, 0, + COMPOSITE(SCLK_GPU, "sclk_gpu", mux_pll_src_cpll_gpll_usb480m_p, 0, RK3288_CLKSEL_CON(34), 6, 2, MFLAGS, 0, 5, DFLAGS, RK3288_CLKGATE_CON(5), 7, GFLAGS), @@ -489,7 +489,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { COMPOSITE(0, "sclk_tspout", mux_tspout_p, 0, RK3288_CLKSEL_CON(35), 14, 2, MFLAGS, 8, 5, DFLAGS, RK3288_CLKGATE_CON(4), 11, GFLAGS), - COMPOSITE(0, "sclk_tsp", mux_pll_src_cpll_gpll_npll_p, 0, + COMPOSITE(0, "sclk_tsp", mux_pll_src_cpll_gpll_p, 0, RK3288_CLKSEL_CON(35), 6, 2, MFLAGS, 0, 5, DFLAGS, RK3288_CLKGATE_CON(4), 10, GFLAGS), @@ -520,7 +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_pll_src_cpll_gll_usb_npll_p, 0, + COMPOSITE(0, "uart0_src", mux_pll_src_cpll_gpll_usb480m_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, -- 1.9.1