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clk: rockchip: px30: Remove npll from gpu parent clock on px30

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NPLL should provide clock for vopl dclk on px30, and its rate will be
changed according to vopl dclk rate, so GPU can't use npll as parent
on px30.

Change-Id: Ib2c8c57020405bcd14070dcd7bc71cbfe18230e3
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
This commit is contained in:
Finley Xiao 2018-08-15 15:06:35 +08:00 • committed by Tao Huang
commit 1dbe048eb5
1 changed files with 20 additions and 4 deletions
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24
drivers/clk/rockchip/clk-px30.c
View file

@ -148,7 +148,8 @@ PNAME(mux_usb480m_p) = { "xin24m", "usb480m_phy", "clk_rtc32k_pmu" };
PNAME(mux_armclk_p) = { "apll_core", "gpll_core" };
PNAME(mux_ddrphy_p) = { "dpll_ddr", "gpll_ddr" };
PNAME(mux_ddrstdby_p) = { "clk_ddrphy1x", "clk_stdby_2wrap" };
PNAME(mux_4plls_p) = { "gpll", "dummy_cpll", "usb480m", "npll" };
PNAME(mux_gpll_dmycpll_usb480m_npll_p) = { "gpll", "dummy_cpll", "usb480m", "npll" };
PNAME(mux_gpll_dmycpll_usb480m_dmynpll_p) = { "gpll", "dummy_cpll", "usb480m", "dummy_npll" };
PNAME(mux_cpll_npll_p) = { "cpll", "npll" };
PNAME(mux_npll_cpll_p) = { "npll", "cpll" };
PNAME(mux_gpll_cpll_p) = { "gpll", "dummy_cpll" };
@ -311,9 +312,6 @@ static struct rockchip_clk_branch px30_clk_branches[] __initdata = {
PX30_CLKGATE_CON(17), 4, GFLAGS),
/* PD_GPU */
COMPOSITE(0, "clk_gpu_src", mux_4plls_p, 0,
PX30_CLKSEL_CON(1), 6, 2, MFLAGS, 0, 4, DFLAGS,
PX30_CLKGATE_CON(0), 8, GFLAGS),
GATE(SCLK_GPU, "clk_gpu", "clk_gpu_src", 0,
PX30_CLKGATE_CON(0), 10, GFLAGS),
COMPOSITE_NOMUX(0, "aclk_gpu", "clk_gpu", CLK_IGNORE_UNUSED,
@ -911,6 +909,18 @@ static struct rockchip_clk_branch px30_clk_branches[] __initdata = {
PX30_CLKGATE_CON(8), 3, GFLAGS),
};
static struct rockchip_clk_branch px30_gpu_src_clk[] __initdata = {
COMPOSITE(0, "clk_gpu_src", mux_gpll_dmycpll_usb480m_dmynpll_p, 0,
PX30_CLKSEL_CON(1), 6, 2, MFLAGS, 0, 4, DFLAGS,
PX30_CLKGATE_CON(0), 8, GFLAGS),
};
static struct rockchip_clk_branch rk3326_gpu_src_clk[] __initdata = {
COMPOSITE(0, "clk_gpu_src", mux_gpll_dmycpll_usb480m_npll_p, 0,
PX30_CLKSEL_CON(1), 6, 2, MFLAGS, 0, 4, DFLAGS,
PX30_CLKGATE_CON(0), 8, GFLAGS),
};
static struct rockchip_clk_branch px30_clk_pmu_branches[] __initdata = {
/*
* Clock-Architecture Diagram 2
@ -1058,6 +1068,12 @@ static void __init px30_clk_init(struct device_node *np)
PX30_GRF_SOC_STATUS0);
rockchip_clk_register_branches(ctx, px30_clk_branches,
ARRAY_SIZE(px30_clk_branches));
if (of_machine_is_compatible("rockchip,px30"))
rockchip_clk_register_branches(ctx, px30_gpu_src_clk,
ARRAY_SIZE(px30_gpu_src_clk));
else
rockchip_clk_register_branches(ctx, rk3326_gpu_src_clk,
ARRAY_SIZE(rk3326_gpu_src_clk));
rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
mux_armclk_p, ARRAY_SIZE(mux_armclk_p),