From 295326231d1ca8e1e81dbf799a642c5348bc8804 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Thu, 27 Oct 2016 23:47:00 +0900 Subject: ARM: uniphier: enable SSC for more PLLs for LD20 SoC For Electro-Magnetic Compatibility. Set CPLL, SPLL2, MPLL, VPPLL, GPPLL, DPLL* to SSC rate 1 percent. Signed-off-by: Masahiro Yamada --- arch/arm/mach-uniphier/clk/dpll-ld20.c | 9 +++------ arch/arm/mach-uniphier/clk/pll-ld20.c | 15 ++++++++------- 2 files changed, 11 insertions(+), 13 deletions(-) (limited to 'arch') diff --git a/arch/arm/mach-uniphier/clk/dpll-ld20.c b/arch/arm/mach-uniphier/clk/dpll-ld20.c index 1132313..86e99c4 100644 --- a/arch/arm/mach-uniphier/clk/dpll-ld20.c +++ b/arch/arm/mach-uniphier/clk/dpll-ld20.c @@ -11,12 +11,9 @@ int uniphier_ld20_dpll_init(const struct uniphier_board_data *bd) { - unsigned int dpll_ssc_rate = UNIPHIER_BD_DPLL_SSC_GET_RATE(bd->flags); - unsigned int dram_freq = bd->dram_freq; - - uniphier_ld20_sscpll_init(SC_DPLL0CTRL, dram_freq, dpll_ssc_rate, 2); - uniphier_ld20_sscpll_init(SC_DPLL1CTRL, dram_freq, dpll_ssc_rate, 2); - uniphier_ld20_sscpll_init(SC_DPLL2CTRL, dram_freq, dpll_ssc_rate, 2); + uniphier_ld20_sscpll_init(SC_DPLL0CTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2); + uniphier_ld20_sscpll_init(SC_DPLL1CTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2); + uniphier_ld20_sscpll_init(SC_DPLL2CTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2); return 0; } diff --git a/arch/arm/mach-uniphier/clk/pll-ld20.c b/arch/arm/mach-uniphier/clk/pll-ld20.c index 5e545da..8ad6883 100644 --- a/arch/arm/mach-uniphier/clk/pll-ld20.c +++ b/arch/arm/mach-uniphier/clk/pll-ld20.c @@ -13,8 +13,6 @@ int uniphier_ld20_pll_init(const struct uniphier_board_data *bd) { - unsigned int dpll_ssc_rate = UNIPHIER_BD_DPLL_SSC_GET_RATE(bd->flags); - uniphier_ld20_sscpll_init(SC_CPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 4); /* do nothing for SPLL */ uniphier_ld20_sscpll_init(SC_SPLL2CTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 4); @@ -24,11 +22,14 @@ int uniphier_ld20_pll_init(const struct uniphier_board_data *bd) mdelay(1); - if (dpll_ssc_rate > 0) { - uniphier_ld20_sscpll_ssc_en(SC_DPLL0CTRL); - uniphier_ld20_sscpll_ssc_en(SC_DPLL1CTRL); - uniphier_ld20_sscpll_ssc_en(SC_DPLL2CTRL); - } + uniphier_ld20_sscpll_ssc_en(SC_CPLLCTRL); + uniphier_ld20_sscpll_ssc_en(SC_SPLL2CTRL); + uniphier_ld20_sscpll_ssc_en(SC_MPLLCTRL); + uniphier_ld20_sscpll_ssc_en(SC_VPPLLCTRL); + uniphier_ld20_sscpll_ssc_en(SC_GPPLLCTRL); + uniphier_ld20_sscpll_ssc_en(SC_DPLL0CTRL); + uniphier_ld20_sscpll_ssc_en(SC_DPLL1CTRL); + uniphier_ld20_sscpll_ssc_en(SC_DPLL2CTRL); uniphier_ld20_vpll27_init(SC_VPLL27FCTRL); uniphier_ld20_vpll27_init(SC_VPLL27ACTRL); -- cgit v1.1