diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-07 20:27:30 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-07 20:27:30 -0700 |
commit | 1a5700bc2d10cd379a795fd2bb377a190af5acd4 (patch) | |
tree | e9f754cbc34020dd23c1d2e3e45fb6890ba7593c /drivers/clk/tegra | |
parent | a68a7509d3af8ee458d32b2416b0c2aaf2a4a7e3 (diff) | |
parent | 3cbcb16095f916f50a5a55066fcc4be06946ce1e (diff) | |
download | linux-next.tar.bz2 |
Merge tag 'clk-for-linus-3.16' of git://git.linaro.org/people/mike.turquette/linux into nextnext
Pull clock framework updates from Mike Turquette:
"The clock framework changes for 3.16 are pretty typical: mostly clock
driver additions and fixes. There are additions to the clock core
code for some of the basic types (e.g. the common divider type has
some fixes and featured added to it).
One minor annoyance is a last-minute dependency that wasn't handled
quite right. Commit ba0fae3b06a6 ("clk: berlin: add core clock driver
for BG2/BG2CD") in this pull request depends on
include/dt-bindings/clock/berlin2.h, which is already in your tree via
the arm-soc pull request. Building for the berlin platform will break
when the clk tree is built on it's own, but merged into your master
branch everything should be fine"
* tag 'clk-for-linus-3.16' of git://git.linaro.org/people/mike.turquette/linux: (75 commits)
mmc: sunxi: Add driver for SD/MMC hosts found on Allwinner sunxi SoCs
clk: export __clk_round_rate for providers
clk: versatile: free icst on error return
clk: qcom: Return error pointers for unimplemented clocks
clk: qcom: Support msm8974pro global clock control hardware
clk: qcom: Properly support display clocks on msm8974
clk: qcom: Support display RCG clocks
clk: qcom: Return highest rate when round_rate() exceeds plan
clk: qcom: Fix mmcc-8974's PLL configurations
clk: qcom: Fix clk_rcg2_is_enabled() check
clk: berlin: add core clock driver for BG2Q
clk: berlin: add core clock driver for BG2/BG2CD
clk: berlin: add driver for BG2x complex divider cells
clk: berlin: add driver for BG2x simple PLLs
clk: berlin: add driver for BG2x audio/video PLL
clk: st: Terminate of match table
clk/exynos4: Fix compilation warning
ARM: shmobile: r8a7779: Add clock index macros for DT sources
clk: divider: Fix overflow in clk_divider_bestdiv
clk: u300: Terminate of match table
...
Diffstat (limited to 'drivers/clk/tegra')
-rw-r--r-- | drivers/clk/tegra/clk-id.h | 1 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-pll.c | 33 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-tegra-periph.c | 10 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-tegra114.c | 22 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-tegra124.c | 21 |
5 files changed, 64 insertions, 23 deletions
diff --git a/drivers/clk/tegra/clk-id.h b/drivers/clk/tegra/clk-id.h index c39613c519af..0011d547a9f7 100644 --- a/drivers/clk/tegra/clk-id.h +++ b/drivers/clk/tegra/clk-id.h @@ -233,6 +233,7 @@ enum clk_id { tegra_clk_xusb_hs_src, tegra_clk_xusb_ss, tegra_clk_xusb_ss_src, + tegra_clk_xusb_ss_div2, tegra_clk_max, }; diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c index 6aad8abc69a2..637b62ccc91e 100644 --- a/drivers/clk/tegra/clk-pll.c +++ b/drivers/clk/tegra/clk-pll.c @@ -96,10 +96,20 @@ (PLLE_SS_MAX_VAL | PLLE_SS_INC_VAL | PLLE_SS_INCINTRV_VAL) #define PLLE_AUX_PLLP_SEL BIT(2) +#define PLLE_AUX_USE_LOCKDET BIT(3) #define PLLE_AUX_ENABLE_SWCTL BIT(4) +#define PLLE_AUX_SS_SWCTL BIT(6) #define PLLE_AUX_SEQ_ENABLE BIT(24) +#define PLLE_AUX_SEQ_START_STATE BIT(25) #define PLLE_AUX_PLLRE_SEL BIT(28) +#define XUSBIO_PLL_CFG0 0x51c +#define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0) +#define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL BIT(2) +#define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET BIT(6) +#define XUSBIO_PLL_CFG0_SEQ_ENABLE BIT(24) +#define XUSBIO_PLL_CFG0_SEQ_START_STATE BIT(25) + #define PLLE_MISC_PLLE_PTS BIT(8) #define PLLE_MISC_IDDQ_SW_VALUE BIT(13) #define PLLE_MISC_IDDQ_SW_CTRL BIT(14) @@ -1328,7 +1338,28 @@ static int clk_plle_tegra114_enable(struct clk_hw *hw) pll_writel(val, PLLE_SS_CTRL, pll); udelay(1); - /* TODO: enable hw control of xusb brick pll */ + /* Enable hw control of xusb brick pll */ + val = pll_readl_misc(pll); + val &= ~PLLE_MISC_IDDQ_SW_CTRL; + pll_writel_misc(val, pll); + + val = pll_readl(pll->params->aux_reg, pll); + val |= (PLLE_AUX_USE_LOCKDET | PLLE_AUX_SEQ_START_STATE); + val &= ~(PLLE_AUX_ENABLE_SWCTL | PLLE_AUX_SS_SWCTL); + pll_writel(val, pll->params->aux_reg, pll); + udelay(1); + val |= PLLE_AUX_SEQ_ENABLE; + pll_writel(val, pll->params->aux_reg, pll); + + val = pll_readl(XUSBIO_PLL_CFG0, pll); + val |= (XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET | + XUSBIO_PLL_CFG0_SEQ_START_STATE); + val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL | + XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL); + pll_writel(val, XUSBIO_PLL_CFG0, pll); + udelay(1); + val |= XUSBIO_PLL_CFG0_SEQ_ENABLE; + pll_writel(val, XUSBIO_PLL_CFG0, pll); out: if (pll->lock) diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c index 1fa5c3f33b20..adf6b814b5bc 100644 --- a/drivers/clk/tegra/clk-tegra-periph.c +++ b/drivers/clk/tegra/clk-tegra-periph.c @@ -329,7 +329,9 @@ static u32 mux_clkm_pllp_pllc_pllre_idx[] = { static const char *mux_clkm_48M_pllp_480M[] = { "clk_m", "pll_u_48M", "pll_p", "pll_u_480M" }; -#define mux_clkm_48M_pllp_480M_idx NULL +static u32 mux_clkm_48M_pllp_480M_idx[] = { + [0] = 0, [1] = 2, [2] = 4, [3] = 6, +}; static const char *mux_clkm_pllre_clk32_480M_pllc_ref[] = { "clk_m", "pll_re_out", "clk_32k", "pll_u_480M", "pll_c", "pll_ref" @@ -338,6 +340,11 @@ static u32 mux_clkm_pllre_clk32_480M_pllc_ref_idx[] = { [0] = 0, [1] = 1, [2] = 3, [3] = 3, [4] = 4, [5] = 7, }; +static const char *mux_ss_60M[] = { + "xusb_ss_div2", "pll_u_60M" +}; +#define mux_ss_60M_idx NULL + static const char *mux_d_audio_clk[] = { "pll_a_out0", "pll_p", "clk_m", "spdif_in_sync", "i2s0_sync", "i2s1_sync", "i2s2_sync", "i2s3_sync", "i2s4_sync", "vimclk_sync", @@ -499,6 +506,7 @@ static struct tegra_periph_init_data periph_clks[] = { XUSB("xusb_falcon_src", mux_clkm_pllp_pllc_pllre, CLK_SOURCE_XUSB_FALCON_SRC, 143, TEGRA_PERIPH_NO_RESET, tegra_clk_xusb_falcon_src), XUSB("xusb_fs_src", mux_clkm_48M_pllp_480M, CLK_SOURCE_XUSB_FS_SRC, 143, TEGRA_PERIPH_NO_RESET, tegra_clk_xusb_fs_src), XUSB("xusb_ss_src", mux_clkm_pllre_clk32_480M_pllc_ref, CLK_SOURCE_XUSB_SS_SRC, 143, TEGRA_PERIPH_NO_RESET, tegra_clk_xusb_ss_src), + NODIV("xusb_hs_src", mux_ss_60M, CLK_SOURCE_XUSB_SS_SRC, 25, MASK(1), 143, TEGRA_PERIPH_NO_RESET, tegra_clk_xusb_hs_src, NULL), XUSB("xusb_dev_src", mux_clkm_pllp_pllc_pllre, CLK_SOURCE_XUSB_DEV_SRC, 95, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_xusb_dev_src), }; diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c index 80431f0fb268..b9c8ba258ef0 100644 --- a/drivers/clk/tegra/clk-tegra114.c +++ b/drivers/clk/tegra/clk-tegra114.c @@ -142,7 +142,6 @@ #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0) #define CLK_SOURCE_CSITE 0x1d4 -#define CLK_SOURCE_XUSB_SS_SRC 0x610 #define CLK_SOURCE_EMC 0x19c /* PLLM override registers */ @@ -834,6 +833,7 @@ static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = { [tegra_clk_xusb_falcon_src] = { .dt_id = TEGRA114_CLK_XUSB_FALCON_SRC, .present = true }, [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA114_CLK_XUSB_FS_SRC, .present = true }, [tegra_clk_xusb_ss_src] = { .dt_id = TEGRA114_CLK_XUSB_SS_SRC, .present = true }, + [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA114_CLK_XUSB_SS_DIV2, .present = true}, [tegra_clk_xusb_dev_src] = { .dt_id = TEGRA114_CLK_XUSB_DEV_SRC, .present = true }, [tegra_clk_xusb_dev] = { .dt_id = TEGRA114_CLK_XUSB_DEV, .present = true }, [tegra_clk_xusb_hs_src] = { .dt_id = TEGRA114_CLK_XUSB_HS_SRC, .present = true }, @@ -1182,16 +1182,11 @@ static __init void tegra114_periph_clk_init(void __iomem *clk_base, void __iomem *pmc_base) { struct clk *clk; - u32 val; - - /* xusb_hs_src */ - val = readl(clk_base + CLK_SOURCE_XUSB_SS_SRC); - val |= BIT(25); /* always select PLLU_60M */ - writel(val, clk_base + CLK_SOURCE_XUSB_SS_SRC); - clk = clk_register_fixed_factor(NULL, "xusb_hs_src", "pll_u_60M", 0, - 1, 1); - clks[TEGRA114_CLK_XUSB_HS_SRC] = clk; + /* xusb_ss_div2 */ + clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0, + 1, 2); + clks[TEGRA114_CLK_XUSB_SS_DIV2] = clk; /* dsia mux */ clk = clk_register_mux(NULL, "dsia_mux", mux_plld_out0_plld2_out0, @@ -1301,7 +1296,12 @@ static struct tegra_clk_init_table init_table[] __initdata = { {TEGRA114_CLK_GR3D, TEGRA114_CLK_PLL_C2, 300000000, 0}, {TEGRA114_CLK_DSIALP, TEGRA114_CLK_PLL_P, 68000000, 0}, {TEGRA114_CLK_DSIBLP, TEGRA114_CLK_PLL_P, 68000000, 0}, - + {TEGRA114_CLK_PLL_RE_VCO, TEGRA114_CLK_CLK_MAX, 612000000, 0}, + {TEGRA114_CLK_XUSB_SS_SRC, TEGRA114_CLK_PLL_RE_OUT, 122400000, 0}, + {TEGRA114_CLK_XUSB_FS_SRC, TEGRA114_CLK_PLL_U_48M, 48000000, 0}, + {TEGRA114_CLK_XUSB_HS_SRC, TEGRA114_CLK_XUSB_SS_DIV2, 61200000, 0}, + {TEGRA114_CLK_XUSB_FALCON_SRC, TEGRA114_CLK_PLL_P, 204000000, 0}, + {TEGRA114_CLK_XUSB_HOST_SRC, TEGRA114_CLK_PLL_P, 102000000, 0}, /* This MUST be the last entry. */ {TEGRA114_CLK_CLK_MAX, TEGRA114_CLK_CLK_MAX, 0, 0}, }; diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c index cc37c342c4cb..80efe51fdcdf 100644 --- a/drivers/clk/tegra/clk-tegra124.c +++ b/drivers/clk/tegra/clk-tegra124.c @@ -30,7 +30,6 @@ #define CLK_SOURCE_CSITE 0x1d4 #define CLK_SOURCE_EMC 0x19c -#define CLK_SOURCE_XUSB_SS_SRC 0x610 #define PLLC_BASE 0x80 #define PLLC_OUT 0x84 @@ -925,6 +924,7 @@ static struct tegra_clk tegra124_clks[tegra_clk_max] __initdata = { [tegra_clk_xusb_falcon_src] = { .dt_id = TEGRA124_CLK_XUSB_FALCON_SRC, .present = true }, [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA124_CLK_XUSB_FS_SRC, .present = true }, [tegra_clk_xusb_ss_src] = { .dt_id = TEGRA124_CLK_XUSB_SS_SRC, .present = true }, + [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA124_CLK_XUSB_SS_DIV2, .present = true }, [tegra_clk_xusb_dev_src] = { .dt_id = TEGRA124_CLK_XUSB_DEV_SRC, .present = true }, [tegra_clk_xusb_dev] = { .dt_id = TEGRA124_CLK_XUSB_DEV, .present = true }, [tegra_clk_xusb_hs_src] = { .dt_id = TEGRA124_CLK_XUSB_HS_SRC, .present = true }, @@ -1105,16 +1105,11 @@ static __init void tegra124_periph_clk_init(void __iomem *clk_base, void __iomem *pmc_base) { struct clk *clk; - u32 val; - - /* xusb_hs_src */ - val = readl(clk_base + CLK_SOURCE_XUSB_SS_SRC); - val |= BIT(25); /* always select PLLU_60M */ - writel(val, clk_base + CLK_SOURCE_XUSB_SS_SRC); - clk = clk_register_fixed_factor(NULL, "xusb_hs_src", "pll_u_60M", 0, - 1, 1); - clks[TEGRA124_CLK_XUSB_HS_SRC] = clk; + /* xusb_ss_div2 */ + clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0, + 1, 2); + clks[TEGRA124_CLK_XUSB_SS_DIV2] = clk; /* dsia mux */ clk = clk_register_mux(NULL, "dsia_mux", mux_plld_out0_plld2_out0, @@ -1368,6 +1363,12 @@ static struct tegra_clk_init_table init_table[] __initdata = { {TEGRA124_CLK_SBC4, TEGRA124_CLK_PLL_P, 12000000, 1}, {TEGRA124_CLK_TSEC, TEGRA124_CLK_PLL_C3, 0, 0}, {TEGRA124_CLK_MSENC, TEGRA124_CLK_PLL_C3, 0, 0}, + {TEGRA124_CLK_PLL_RE_VCO, TEGRA124_CLK_CLK_MAX, 672000000, 0}, + {TEGRA124_CLK_XUSB_SS_SRC, TEGRA124_CLK_PLL_U_480M, 120000000, 0}, + {TEGRA124_CLK_XUSB_FS_SRC, TEGRA124_CLK_PLL_U_48M, 48000000, 0}, + {TEGRA124_CLK_XUSB_HS_SRC, TEGRA124_CLK_PLL_U_60M, 60000000, 0}, + {TEGRA124_CLK_XUSB_FALCON_SRC, TEGRA124_CLK_PLL_RE_OUT, 224000000, 0}, + {TEGRA124_CLK_XUSB_HOST_SRC, TEGRA124_CLK_PLL_RE_OUT, 112000000, 0}, /* This MUST be the last entry. */ {TEGRA124_CLK_CLK_MAX, TEGRA124_CLK_CLK_MAX, 0, 0}, }; |