diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-12-07 02:32:33 +0100 |
|---|---|---|
| committer | Stephen Boyd <sboyd@codeaurora.org> | 2016-12-08 01:17:03 +0100 |
| commit | 1221ae211f64207f5caf40f9a03f9b8e50ff80cc (patch) | |
| tree | 401676bfc3f584abf3582994ba9f03379484c813 /drivers/clk/uniphier | |
| parent | clk: uniphier: add CPU-gear change (cpufreq) support (diff) | |
| download | linux-1221ae211f64207f5caf40f9a03f9b8e50ff80cc.tar.xz linux-1221ae211f64207f5caf40f9a03f9b8e50ff80cc.zip | |
clk: uniphier: add cpufreq data for LD11, LD20 SoCs
Add more data to 64bit SoCs for the cpufreq support.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk/uniphier')
| -rw-r--r-- | drivers/clk/uniphier/clk-uniphier-sys.c | 32 | ||||
| -rw-r--r-- | drivers/clk/uniphier/clk-uniphier.h | 30 |
2 files changed, 61 insertions, 1 deletions
diff --git a/drivers/clk/uniphier/clk-uniphier-sys.c b/drivers/clk/uniphier/clk-uniphier-sys.c index 5d029991047d..d049316c1c0f 100644 --- a/drivers/clk/uniphier/clk-uniphier-sys.c +++ b/drivers/clk/uniphier/clk-uniphier-sys.c @@ -125,16 +125,35 @@ const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = { }; const struct uniphier_clk_data uniphier_ld11_sys_clk_data[] = { + UNIPHIER_CLK_FACTOR("cpll", -1, "ref", 392, 5), /* 1960 MHz */ + UNIPHIER_CLK_FACTOR("mpll", -1, "ref", 64, 1), /* 1600 MHz */ UNIPHIER_CLK_FACTOR("spll", -1, "ref", 80, 1), /* 2000 MHz */ + UNIPHIER_CLK_FACTOR("vspll", -1, "ref", 80, 1), /* 2000 MHz */ UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34), UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40), UNIPHIER_LD11_SYS_CLK_STDMAC(8), /* HSC, MIO */ UNIPHIER_CLK_FACTOR("usb2", -1, "ref", 24, 25), + /* CPU gears */ + UNIPHIER_CLK_DIV4("cpll", 2, 3, 4, 8), + UNIPHIER_CLK_DIV4("mpll", 2, 3, 4, 8), + UNIPHIER_CLK_DIV3("spll", 3, 4, 8), + /* Note: both gear1 and gear4 are spll/4. This is not a bug. */ + UNIPHIER_CLK_CPUGEAR("cpu-ca53", 33, 0x8080, 0xf, 8, + "cpll/2", "spll/4", "cpll/3", "spll/3", + "spll/4", "spll/8", "cpll/4", "cpll/8"), + UNIPHIER_CLK_CPUGEAR("cpu-ipp", 34, 0x8100, 0xf, 8, + "mpll/2", "spll/4", "mpll/3", "spll/3", + "spll/4", "spll/8", "mpll/4", "mpll/8"), { /* sentinel */ } }; const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = { + UNIPHIER_CLK_FACTOR("cpll", -1, "ref", 88, 1), /* ARM: 2200 MHz */ + UNIPHIER_CLK_FACTOR("gppll", -1, "ref", 52, 1), /* Mali: 1300 MHz */ + UNIPHIER_CLK_FACTOR("mpll", -1, "ref", 64, 1), /* Codec: 1600 MHz */ UNIPHIER_CLK_FACTOR("spll", -1, "ref", 80, 1), /* 2000 MHz */ + UNIPHIER_CLK_FACTOR("s2pll", -1, "ref", 88, 1), /* IPP: 2200 MHz */ + UNIPHIER_CLK_FACTOR("vppll", -1, "ref", 504, 5), /* 2520 MHz */ UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34), UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40), UNIPHIER_LD20_SYS_CLK_SD, @@ -147,5 +166,18 @@ const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = { UNIPHIER_CLK_GATE("usb30", 14, NULL, 0x210c, 14), UNIPHIER_CLK_GATE("usb30-phy0", 16, NULL, 0x210c, 12), UNIPHIER_CLK_GATE("usb30-phy1", 17, NULL, 0x210c, 13), + /* CPU gears */ + UNIPHIER_CLK_DIV4("cpll", 2, 3, 4, 8), + UNIPHIER_CLK_DIV4("spll", 2, 3, 4, 8), + UNIPHIER_CLK_DIV4("s2pll", 2, 3, 4, 8), + UNIPHIER_CLK_CPUGEAR("cpu-ca72", 32, 0x8000, 0xf, 8, + "cpll/2", "spll/2", "cpll/3", "spll/3", + "spll/4", "spll/8", "cpll/4", "cpll/8"), + UNIPHIER_CLK_CPUGEAR("cpu-ca53", 33, 0x8080, 0xf, 8, + "cpll/2", "spll/2", "cpll/3", "spll/3", + "spll/4", "spll/8", "cpll/4", "cpll/8"), + UNIPHIER_CLK_CPUGEAR("cpu-ipp", 34, 0x8100, 0xf, 8, + "s2pll/2", "spll/2", "s2pll/3", "spll/3", + "spll/4", "spll/8", "s2pll/4", "s2pll/8"), { /* sentinel */ } }; diff --git a/drivers/clk/uniphier/clk-uniphier.h b/drivers/clk/uniphier/clk-uniphier.h index 9707b0fbe733..01c16ecec48f 100644 --- a/drivers/clk/uniphier/clk-uniphier.h +++ b/drivers/clk/uniphier/clk-uniphier.h @@ -75,6 +75,20 @@ struct uniphier_clk_data { } data; }; +#define UNIPHIER_CLK_CPUGEAR(_name, _idx, _regbase, _mask, \ + _num_parents, ...) \ + { \ + .name = (_name), \ + .type = UNIPHIER_CLK_TYPE_CPUGEAR, \ + .idx = (_idx), \ + .data.cpugear = { \ + .parent_names = { __VA_ARGS__ }, \ + .num_parents = (_num_parents), \ + .regbase = (_regbase), \ + .mask = (_mask) \ + }, \ + } + #define UNIPHIER_CLK_FACTOR(_name, _idx, _parent, _mult, _div) \ { \ .name = (_name), \ @@ -87,7 +101,6 @@ struct uniphier_clk_data { }, \ } - #define UNIPHIER_CLK_GATE(_name, _idx, _parent, _reg, _bit) \ { \ .name = (_name), \ @@ -100,6 +113,21 @@ struct uniphier_clk_data { }, \ } +#define UNIPHIER_CLK_DIV(parent, div) \ + UNIPHIER_CLK_FACTOR(parent "/" #div, -1, parent, 1, div) + +#define UNIPHIER_CLK_DIV2(parent, div0, div1) \ + UNIPHIER_CLK_DIV(parent, div0), \ + UNIPHIER_CLK_DIV(parent, div1) + +#define UNIPHIER_CLK_DIV3(parent, div0, div1, div2) \ + UNIPHIER_CLK_DIV2(parent, div0, div1), \ + UNIPHIER_CLK_DIV(parent, div2) + +#define UNIPHIER_CLK_DIV4(parent, div0, div1, div2, div3) \ + UNIPHIER_CLK_DIV2(parent, div0, div1), \ + UNIPHIER_CLK_DIV2(parent, div2, div3) + struct clk_hw *uniphier_clk_register_cpugear(struct device *dev, struct regmap *regmap, const char *name, |