diff options
Diffstat (limited to 'drivers/clk/tegra')
| -rw-r--r-- | drivers/clk/tegra/clk-tegra-periph.c | 16 | ||||
| -rw-r--r-- | drivers/clk/tegra/clk-tegra210.c | 47 |
2 files changed, 47 insertions, 16 deletions
diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c index 090a5d792341..c7694205573f 100644 --- a/drivers/clk/tegra/clk-tegra-periph.c +++ b/drivers/clk/tegra/clk-tegra-periph.c @@ -129,7 +129,6 @@ #define CLK_SOURCE_NVDEC 0x698 #define CLK_SOURCE_NVJPG 0x69c #define CLK_SOURCE_APE 0x6c0 -#define CLK_SOURCE_SOR1 0x410 #define CLK_SOURCE_SDMMC_LEGACY 0x694 #define CLK_SOURCE_QSPI 0x6c4 #define CLK_SOURCE_VI_I2C 0x6c8 @@ -278,7 +277,6 @@ static DEFINE_SPINLOCK(PLLP_OUTA_lock); static DEFINE_SPINLOCK(PLLP_OUTB_lock); static DEFINE_SPINLOCK(PLLP_OUTC_lock); static DEFINE_SPINLOCK(sor0_lock); -static DEFINE_SPINLOCK(sor1_lock); #define MUX_I2S_SPDIF(_id) \ static const char *mux_pllaout0_##_id##_2x_pllp_clkm[] = { "pll_a_out0", \ @@ -604,18 +602,6 @@ static u32 mux_pllp_plld_plld2_clkm_idx[] = { [0] = 0, [1] = 2, [2] = 5, [3] = 6 }; -static const char *mux_sor_safe_sor1_brick_sor1_src[] = { - /* - * Bit 0 of the mux selects sor1_brick, irrespective of bit 1, so the - * sor1_brick parent appears twice in the list below. This is merely - * to support clk_get_parent() if firmware happened to set these bits - * to 0b11. While not an invalid setting, code should always set the - * bits to 0b01 to select sor1_brick. - */ - "sor_safe", "sor1_brick", "sor1_src", "sor1_brick" -}; -#define mux_sor_safe_sor1_brick_sor1_src_idx NULL - static const char *mux_pllp_pllre_clkm[] = { "pll_p", "pll_re_out1", "clk_m" }; @@ -804,8 +790,6 @@ static struct tegra_periph_init_data periph_clks[] = { MUX8("nvdec", mux_pllc2_c_c3_pllp_plla1_clkm, CLK_SOURCE_NVDEC, 194, 0, tegra_clk_nvdec), MUX8("nvjpg", mux_pllc2_c_c3_pllp_plla1_clkm, CLK_SOURCE_NVJPG, 195, 0, tegra_clk_nvjpg), MUX8("ape", mux_plla_pllc4_out0_pllc_pllc4_out1_pllp_pllc4_out2_clkm, CLK_SOURCE_APE, 198, TEGRA_PERIPH_ON_APB, tegra_clk_ape), - MUX8_NOGATE_LOCK("sor1_src", mux_pllp_plld_plld2_clkm, CLK_SOURCE_SOR1, tegra_clk_sor1_src, &sor1_lock), - NODIV("sor1", mux_sor_safe_sor1_brick_sor1_src, CLK_SOURCE_SOR1, 14, MASK(2), 183, 0, tegra_clk_sor1, &sor1_lock), MUX8("sdmmc_legacy", mux_pllp_out3_clkm_pllp_pllc4, CLK_SOURCE_SDMMC_LEGACY, 193, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_sdmmc_legacy), MUX8("qspi", mux_pllp_pllc_pllc_out1_pllc4_out2_pllc4_out1_clkm_pllc4_out0, CLK_SOURCE_QSPI, 211, TEGRA_PERIPH_ON_APB, tegra_clk_qspi), I2C("vii2c", mux_pllp_pllc_clkm, CLK_SOURCE_VI_I2C, 208, tegra_clk_vi_i2c), diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c index 6d7a613f2656..be7b736371f6 100644 --- a/drivers/clk/tegra/clk-tegra210.c +++ b/drivers/clk/tegra/clk-tegra210.c @@ -40,6 +40,7 @@ #define CLK_SOURCE_CSITE 0x1d4 #define CLK_SOURCE_EMC 0x19c +#define CLK_SOURCE_SOR1 0x410 #define PLLC_BASE 0x80 #define PLLC_OUT 0x84 @@ -264,6 +265,7 @@ static DEFINE_SPINLOCK(pll_d_lock); static DEFINE_SPINLOCK(pll_e_lock); static DEFINE_SPINLOCK(pll_re_lock); static DEFINE_SPINLOCK(pll_u_lock); +static DEFINE_SPINLOCK(sor1_lock); static DEFINE_SPINLOCK(emc_lock); /* possible OSC frequencies in Hz */ @@ -2628,10 +2630,35 @@ static int tegra210_init_pllu(void) return 0; } +static const char * const sor1_out_parents[] = { + /* + * Bit 0 of the mux selects sor1_pad_clkout, irrespective of bit 1, so + * the sor1_pad_clkout parent appears twice in the list below. This is + * merely to support clk_get_parent() if firmware happened to set + * these bits to 0b11. While not an invalid setting, code should + * always set the bits to 0b01 to select sor1_pad_clkout. + */ + "sor_safe", "sor1_pad_clkout", "sor1", "sor1_pad_clkout", +}; + +static const char * const sor1_parents[] = { + "pll_p", "pll_d_out0", "pll_d2_out0", "clk_m", +}; + +static u32 sor1_parents_idx[] = { 0, 2, 5, 6 }; + +static struct tegra_periph_init_data tegra210_periph[] = { + TEGRA_INIT_DATA_TABLE("sor1", NULL, NULL, sor1_parents, + CLK_SOURCE_SOR1, 29, 0x7, 0, 0, 8, 1, + TEGRA_DIVIDER_ROUND_UP, 183, 0, tegra_clk_sor1, + sor1_parents_idx, 0, &sor1_lock), +}; + static __init void tegra210_periph_clk_init(void __iomem *clk_base, void __iomem *pmc_base) { struct clk *clk; + unsigned int i; /* xusb_ss_div2 */ clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0, @@ -2650,6 +2677,12 @@ static __init void tegra210_periph_clk_init(void __iomem *clk_base, 1, 17, 207); clks[TEGRA210_CLK_DPAUX1] = clk; + clk = clk_register_mux_table(NULL, "sor1_out", sor1_out_parents, + ARRAY_SIZE(sor1_out_parents), 0, + clk_base + CLK_SOURCE_SOR1, 14, 0x3, + 0, NULL, &sor1_lock); + clks[TEGRA210_CLK_SOR1_OUT] = clk; + /* pll_d_dsi_out */ clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0, clk_base + PLLD_MISC0, 21, 0, &pll_d_lock); @@ -2694,6 +2727,20 @@ static __init void tegra210_periph_clk_init(void __iomem *clk_base, 0, NULL); clks[TEGRA210_CLK_ACLK] = clk; + for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) { + struct tegra_periph_init_data *init = &tegra210_periph[i]; + struct clk **clkp; + + clkp = tegra_lookup_dt_id(init->clk_id, tegra210_clks); + if (!clkp) { + pr_warn("clock %u not found\n", init->clk_id); + continue; + } + + clk = tegra_clk_register_periph_data(clk_base, init); + *clkp = clk; + } + tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params); } |