From: Thomas Abraham <thomas.ab@samsung.com> To: cpufreq@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org, mturquette@linaro.org, kgene.kim@samsung.com, t.figa@samsung.com, l.majewski@samsung.com, viresh.kumar@linaro.org, thomas.ab@samsung.com, heiko@sntech.de, cw00.choi@samsung.com Subject: [PATCH v6 2/6] clk: samsung: register exynos5420 apll/kpll configuration data Date: Tue, 17 Jun 2014 20:55:29 +0530 [thread overview] Message-ID: <1403018733-4187-4-git-send-email-thomas.ab@samsung.com> (raw) In-Reply-To: <1403018733-4187-1-git-send-email-thomas.ab@samsung.com> From: Thomas Abraham <thomas.ab@samsung.com> Register the PLL configuration data for APLL and KPLL on Exynos5420. This configuration data table specifies PLL coefficients for supported PLL clock speeds when a 24MHz clock is supplied as the input clock source for these PLLs. Cc: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Thomas Abraham <thomas.ab@samsung.com> --- drivers/clk/samsung/clk-exynos5420.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 9d7d7ee..51cff4a 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -1142,6 +1142,28 @@ static struct samsung_gate_clock exynos5x_gate_clks[] __initdata = { GATE(CLK_G3D, "g3d", "mout_user_aclk_g3d", GATE_IP_G3D, 9, 0, 0), }; +static const struct samsung_pll_rate_table exynos5420_pll2550x_24mhz_tbl[] = { + PLL_35XX_RATE(2000000000, 250, 3, 0), + PLL_35XX_RATE(1900000000, 475, 6, 0), + PLL_35XX_RATE(1800000000, 225, 3, 0), + PLL_35XX_RATE(1700000000, 425, 6, 0), + PLL_35XX_RATE(1600000000, 200, 3, 0), + PLL_35XX_RATE(1500000000, 250, 4, 0), + PLL_35XX_RATE(1400000000, 175, 3, 0), + PLL_35XX_RATE(1300000000, 325, 6, 0), + PLL_35XX_RATE(1200000000, 200, 2, 1), + PLL_35XX_RATE(1100000000, 275, 3, 1), + PLL_35XX_RATE(1000000000, 250, 3, 1), + PLL_35XX_RATE(900000000, 150, 2, 1), + PLL_35XX_RATE(800000000, 200, 3, 1), + PLL_35XX_RATE(700000000, 175, 3, 1), + PLL_35XX_RATE(600000000, 200, 2, 2), + PLL_35XX_RATE(500000000, 250, 3, 2), + PLL_35XX_RATE(400000000, 200, 3, 2), + PLL_35XX_RATE(300000000, 200, 2, 3), + PLL_35XX_RATE(200000000, 200, 3, 3), +}; + static struct samsung_pll_clock exynos5x_plls[nr_plls] __initdata = { [apll] = PLL(pll_2550, CLK_FOUT_APLL, "fout_apll", "fin_pll", APLL_LOCK, APLL_CON0, NULL), @@ -1195,6 +1217,12 @@ static void __init exynos5x_clk_init(struct device_node *np, samsung_clk_of_register_fixed_ext(ctx, exynos5x_fixed_rate_ext_clks, ARRAY_SIZE(exynos5x_fixed_rate_ext_clks), ext_clk_match); + + if (_get_rate("fin_pll") == 24 * MHZ) { + exynos5x_plls[apll].rate_table = exynos5420_pll2550x_24mhz_tbl; + exynos5x_plls[kpll].rate_table = exynos5420_pll2550x_24mhz_tbl; + } + samsung_clk_register_pll(ctx, exynos5x_plls, ARRAY_SIZE(exynos5x_plls), reg_base); samsung_clk_register_fixed_rate(ctx, exynos5x_fixed_rate_clks, -- 1.7.9.5
WARNING: multiple messages have this Message-ID (diff)
From: thomas.ab@samsung.com (Thomas Abraham) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v6 2/6] clk: samsung: register exynos5420 apll/kpll configuration data Date: Tue, 17 Jun 2014 20:55:29 +0530 [thread overview] Message-ID: <1403018733-4187-4-git-send-email-thomas.ab@samsung.com> (raw) In-Reply-To: <1403018733-4187-1-git-send-email-thomas.ab@samsung.com> From: Thomas Abraham <thomas.ab@samsung.com> Register the PLL configuration data for APLL and KPLL on Exynos5420. This configuration data table specifies PLL coefficients for supported PLL clock speeds when a 24MHz clock is supplied as the input clock source for these PLLs. Cc: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Thomas Abraham <thomas.ab@samsung.com> --- drivers/clk/samsung/clk-exynos5420.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 9d7d7ee..51cff4a 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -1142,6 +1142,28 @@ static struct samsung_gate_clock exynos5x_gate_clks[] __initdata = { GATE(CLK_G3D, "g3d", "mout_user_aclk_g3d", GATE_IP_G3D, 9, 0, 0), }; +static const struct samsung_pll_rate_table exynos5420_pll2550x_24mhz_tbl[] = { + PLL_35XX_RATE(2000000000, 250, 3, 0), + PLL_35XX_RATE(1900000000, 475, 6, 0), + PLL_35XX_RATE(1800000000, 225, 3, 0), + PLL_35XX_RATE(1700000000, 425, 6, 0), + PLL_35XX_RATE(1600000000, 200, 3, 0), + PLL_35XX_RATE(1500000000, 250, 4, 0), + PLL_35XX_RATE(1400000000, 175, 3, 0), + PLL_35XX_RATE(1300000000, 325, 6, 0), + PLL_35XX_RATE(1200000000, 200, 2, 1), + PLL_35XX_RATE(1100000000, 275, 3, 1), + PLL_35XX_RATE(1000000000, 250, 3, 1), + PLL_35XX_RATE(900000000, 150, 2, 1), + PLL_35XX_RATE(800000000, 200, 3, 1), + PLL_35XX_RATE(700000000, 175, 3, 1), + PLL_35XX_RATE(600000000, 200, 2, 2), + PLL_35XX_RATE(500000000, 250, 3, 2), + PLL_35XX_RATE(400000000, 200, 3, 2), + PLL_35XX_RATE(300000000, 200, 2, 3), + PLL_35XX_RATE(200000000, 200, 3, 3), +}; + static struct samsung_pll_clock exynos5x_plls[nr_plls] __initdata = { [apll] = PLL(pll_2550, CLK_FOUT_APLL, "fout_apll", "fin_pll", APLL_LOCK, APLL_CON0, NULL), @@ -1195,6 +1217,12 @@ static void __init exynos5x_clk_init(struct device_node *np, samsung_clk_of_register_fixed_ext(ctx, exynos5x_fixed_rate_ext_clks, ARRAY_SIZE(exynos5x_fixed_rate_ext_clks), ext_clk_match); + + if (_get_rate("fin_pll") == 24 * MHZ) { + exynos5x_plls[apll].rate_table = exynos5420_pll2550x_24mhz_tbl; + exynos5x_plls[kpll].rate_table = exynos5420_pll2550x_24mhz_tbl; + } + samsung_clk_register_pll(ctx, exynos5x_plls, ARRAY_SIZE(exynos5x_plls), reg_base); samsung_clk_register_fixed_rate(ctx, exynos5x_fixed_rate_clks, -- 1.7.9.5
next prev parent reply other threads:[~2014-06-17 15:25 UTC|newest] Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-06-17 15:25 [PATCH v6 0/6] cpufreq: use generic cpufreq drivers for exynos platforms Thomas Abraham 2014-06-17 15:25 ` Thomas Abraham 2014-06-17 15:25 ` Thomas Abraham 2014-06-17 15:25 ` Thomas Abraham 2014-06-17 15:25 ` [PATCH v6 1/6] clk: samsung: add infrastructure to register cpu clocks Thomas Abraham 2014-06-17 15:25 ` Thomas Abraham 2014-06-23 2:08 ` amit daniel kachhap 2014-06-23 2:08 ` amit daniel kachhap 2014-06-23 7:56 ` Arjun K V 2014-06-23 7:56 ` Arjun K V 2014-06-24 1:36 ` amit daniel kachhap 2014-06-24 1:36 ` amit daniel kachhap 2014-06-17 15:25 ` Thomas Abraham [this message] 2014-06-17 15:25 ` [PATCH v6 2/6] clk: samsung: register exynos5420 apll/kpll configuration data Thomas Abraham 2014-06-17 15:25 ` [PATCH v6 3/6] clk: exynos: use cpu-clock provider type to represent arm clock Thomas Abraham 2014-06-17 15:25 ` Thomas Abraham 2014-06-23 2:14 ` amit daniel kachhap 2014-06-23 2:14 ` amit daniel kachhap 2014-06-17 15:25 ` [PATCH v6 4/6] ARM: dts: Exynos: add cpu nodes, opp and cpu clock configuration data Thomas Abraham 2014-06-17 15:25 ` Thomas Abraham 2014-06-17 15:25 ` [PATCH v6 5/6] ARM: Exynos: switch to using generic cpufreq driver for exynos4210/5250 Thomas Abraham 2014-06-17 15:25 ` Thomas Abraham 2014-06-17 15:25 ` [PATCH v6 6/6] cpufreq: exynos: remove exynos4210/5250 specific cpufreq driver support Thomas Abraham 2014-06-17 15:25 ` Thomas Abraham 2014-06-18 7:51 ` [PATCH v6 0/6] cpufreq: use generic cpufreq drivers for exynos platforms Viresh Kumar 2014-06-18 7:51 ` Viresh Kumar 2014-06-19 4:13 ` Thomas Abraham 2014-06-19 4:13 ` Thomas Abraham
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