diff options
Diffstat (limited to 'drivers/clk/st/clk-flexgen.c')
| -rw-r--r-- | drivers/clk/st/clk-flexgen.c | 95 |
1 files changed, 8 insertions, 87 deletions
diff --git a/drivers/clk/st/clk-flexgen.c b/drivers/clk/st/clk-flexgen.c index 7ae4f656191e..e8e7626c76db 100644 --- a/drivers/clk/st/clk-flexgen.c +++ b/drivers/clk/st/clk-flexgen.c @@ -119,20 +119,21 @@ clk_best_div(unsigned long parent_rate, unsigned long rate) return parent_rate / rate + ((rate > (2*(parent_rate % rate))) ? 0 : 1); } -static long flexgen_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *prate) +static int flexgen_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { unsigned long div; /* Round div according to exact prate and wished rate */ - div = clk_best_div(*prate, rate); + div = clk_best_div(req->best_parent_rate, req->rate); if (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) { - *prate = rate * div; - return rate; + req->best_parent_rate = req->rate * div; + return 0; } - return *prate / div; + req->rate = req->best_parent_rate / div; + return 0; } static unsigned long flexgen_recalc_rate(struct clk_hw *hw, @@ -197,7 +198,7 @@ static const struct clk_ops flexgen_ops = { .is_enabled = flexgen_is_enabled, .get_parent = flexgen_get_parent, .set_parent = flexgen_set_parent, - .round_rate = flexgen_round_rate, + .determine_rate = flexgen_determine_rate, .recalc_rate = flexgen_recalc_rate, .set_rate = flexgen_set_rate, }; @@ -302,16 +303,6 @@ static const struct clkgen_data clkgen_video = { .mode = 1, }; -static const struct clkgen_clk_out clkgen_stih407_a0_clk_out[] = { - /* This clk needs to be on so that memory interface is accessible */ - { .name = "clk-ic-lmi0", .flags = CLK_IS_CRITICAL }, -}; - -static const struct clkgen_data clkgen_stih407_a0 = { - .outputs = clkgen_stih407_a0_clk_out, - .outputs_nb = ARRAY_SIZE(clkgen_stih407_a0_clk_out), -}; - static const struct clkgen_clk_out clkgen_stih410_a0_clk_out[] = { /* Those clks need to be on so that memory interface is accessible */ { .name = "clk-ic-lmi0", .flags = CLK_IS_CRITICAL }, @@ -323,51 +314,6 @@ static const struct clkgen_data clkgen_stih410_a0 = { .outputs_nb = ARRAY_SIZE(clkgen_stih410_a0_clk_out), }; -static const struct clkgen_clk_out clkgen_stih407_c0_clk_out[] = { - { .name = "clk-icn-gpu", }, - { .name = "clk-fdma", }, - { .name = "clk-nand", }, - { .name = "clk-hva", }, - { .name = "clk-proc-stfe", }, - { .name = "clk-proc-tp", }, - { .name = "clk-rx-icn-dmu", }, - { .name = "clk-rx-icn-hva", }, - /* This clk needs to be on to keep bus interconnect alive */ - { .name = "clk-icn-cpu", .flags = CLK_IS_CRITICAL }, - /* This clk needs to be on to keep bus interconnect alive */ - { .name = "clk-tx-icn-dmu", .flags = CLK_IS_CRITICAL }, - { .name = "clk-mmc-0", }, - { .name = "clk-mmc-1", }, - { .name = "clk-jpegdec", }, - /* This clk needs to be on to keep A9 running */ - { .name = "clk-ext2fa9", .flags = CLK_IS_CRITICAL }, - { .name = "clk-ic-bdisp-0", }, - { .name = "clk-ic-bdisp-1", }, - { .name = "clk-pp-dmu", }, - { .name = "clk-vid-dmu", }, - { .name = "clk-dss-lpc", }, - { .name = "clk-st231-aud-0", }, - { .name = "clk-st231-gp-1", }, - { .name = "clk-st231-dmu", }, - /* This clk needs to be on to keep bus interconnect alive */ - { .name = "clk-icn-lmi", .flags = CLK_IS_CRITICAL }, - { .name = "clk-tx-icn-disp-1", }, - /* This clk needs to be on to keep bus interconnect alive */ - { .name = "clk-icn-sbc", .flags = CLK_IS_CRITICAL }, - { .name = "clk-stfe-frc2", }, - { .name = "clk-eth-phy", }, - { .name = "clk-eth-ref-phyclk", }, - { .name = "clk-flash-promip", }, - { .name = "clk-main-disp", }, - { .name = "clk-aux-disp", }, - { .name = "clk-compo-dvp", }, -}; - -static const struct clkgen_data clkgen_stih407_c0 = { - .outputs = clkgen_stih407_c0_clk_out, - .outputs_nb = ARRAY_SIZE(clkgen_stih407_c0_clk_out), -}; - static const struct clkgen_clk_out clkgen_stih410_c0_clk_out[] = { { .name = "clk-icn-gpu", }, { .name = "clk-fdma", }, @@ -481,19 +427,6 @@ static const struct clkgen_data clkgen_stih418_c0 = { .outputs_nb = ARRAY_SIZE(clkgen_stih418_c0_clk_out), }; -static const struct clkgen_clk_out clkgen_stih407_d0_clk_out[] = { - { .name = "clk-pcm-0", }, - { .name = "clk-pcm-1", }, - { .name = "clk-pcm-2", }, - { .name = "clk-spdiff", }, -}; - -static const struct clkgen_data clkgen_stih407_d0 = { - .flags = CLK_SET_RATE_PARENT, - .outputs = clkgen_stih407_d0_clk_out, - .outputs_nb = ARRAY_SIZE(clkgen_stih407_d0_clk_out), -}; - static const struct clkgen_clk_out clkgen_stih410_d0_clk_out[] = { { .name = "clk-pcm-0", }, { .name = "clk-pcm-1", }, @@ -596,18 +529,10 @@ static const struct of_device_id flexgen_of_match[] = { .data = &clkgen_video, }, { - .compatible = "st,flexgen-stih407-a0", - .data = &clkgen_stih407_a0, - }, - { .compatible = "st,flexgen-stih410-a0", .data = &clkgen_stih410_a0, }, { - .compatible = "st,flexgen-stih407-c0", - .data = &clkgen_stih407_c0, - }, - { .compatible = "st,flexgen-stih410-c0", .data = &clkgen_stih410_c0, }, @@ -616,10 +541,6 @@ static const struct of_device_id flexgen_of_match[] = { .data = &clkgen_stih418_c0, }, { - .compatible = "st,flexgen-stih407-d0", - .data = &clkgen_stih407_d0, - }, - { .compatible = "st,flexgen-stih410-d0", .data = &clkgen_stih410_d0, }, |