diff options
author | Stephen Boyd <sboyd@kernel.org> | 2018-03-23 09:40:52 -0700 |
---|---|---|
committer | Stephen Boyd <sboyd@kernel.org> | 2018-03-23 09:40:52 -0700 |
commit | aa584d28f3f1fed1e3f91e5c4f82448c012820f9 (patch) | |
tree | 6fa7b08aba6434d0242ff5b676a971193995a23b /drivers/clk | |
parent | ce33f284935e08229046b30635e6aadcbab02b53 (diff) | |
parent | 472f5f391819b4b22ec040f227aea26f515b6ae2 (diff) |
Merge tag 'clk-renesas-for-v4.17-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-renesas
Pull Renesas clk driver updates from Geert Uytterhoeven:
- Fix the incorrect display clock on R-Car M3-N,
- Always use readl()/writel(),
- Small fixes.
* tag 'clk-renesas-for-v4.17-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers:
clk: renesas: cpg-mssr: Adjust r8a77980 ifdef
clk: renesas: rcar-gen3: Always use readl()/writel()
clk: renesas: sh73a0: Always use readl()/writel()
clk: renesas: rza1: Always use readl()/writel()
clk: renesas: rcar-gen2: Always use readl()/writel()
clk: renesas: r8a7740: Always use readl()/writel()
clk: renesas: r8a73a4: Always use readl()/writel()
clk: renesas: mstp: Always use readl()/writel()
clk: renesas: div6: Always use readl()/writel()
clk: renesas: r8a77965: Replace DU2 clock
Diffstat (limited to 'drivers/clk')
-rw-r--r-- | drivers/clk/renesas/clk-div6.c | 22 | ||||
-rw-r--r-- | drivers/clk/renesas/clk-mstp.c | 4 | ||||
-rw-r--r-- | drivers/clk/renesas/clk-r8a73a4.c | 11 | ||||
-rw-r--r-- | drivers/clk/renesas/clk-r8a7740.c | 8 | ||||
-rw-r--r-- | drivers/clk/renesas/clk-rcar-gen2.c | 17 | ||||
-rw-r--r-- | drivers/clk/renesas/clk-rz.c | 4 | ||||
-rw-r--r-- | drivers/clk/renesas/clk-sh73a0.c | 14 | ||||
-rw-r--r-- | drivers/clk/renesas/r8a77965-cpg-mssr.c | 2 | ||||
-rw-r--r-- | drivers/clk/renesas/rcar-gen3-cpg.c | 14 | ||||
-rw-r--r-- | drivers/clk/renesas/renesas-cpg-mssr.c | 2 |
10 files changed, 48 insertions, 50 deletions
diff --git a/drivers/clk/renesas/clk-div6.c b/drivers/clk/renesas/clk-div6.c index 151336d2ba59..9febbf42c3df 100644 --- a/drivers/clk/renesas/clk-div6.c +++ b/drivers/clk/renesas/clk-div6.c @@ -53,9 +53,9 @@ static int cpg_div6_clock_enable(struct clk_hw *hw) struct div6_clock *clock = to_div6_clock(hw); u32 val; - val = (clk_readl(clock->reg) & ~(CPG_DIV6_DIV_MASK | CPG_DIV6_CKSTP)) + val = (readl(clock->reg) & ~(CPG_DIV6_DIV_MASK | CPG_DIV6_CKSTP)) | CPG_DIV6_DIV(clock->div - 1); - clk_writel(val, clock->reg); + writel(val, clock->reg); return 0; } @@ -65,7 +65,7 @@ static void cpg_div6_clock_disable(struct clk_hw *hw) struct div6_clock *clock = to_div6_clock(hw); u32 val; - val = clk_readl(clock->reg); + val = readl(clock->reg); val |= CPG_DIV6_CKSTP; /* * DIV6 clocks require the divisor field to be non-zero when stopping @@ -75,14 +75,14 @@ static void cpg_div6_clock_disable(struct clk_hw *hw) */ if (!(val & CPG_DIV6_DIV_MASK)) val |= CPG_DIV6_DIV_MASK; - clk_writel(val, clock->reg); + writel(val, clock->reg); } static int cpg_div6_clock_is_enabled(struct clk_hw *hw) { struct div6_clock *clock = to_div6_clock(hw); - return !(clk_readl(clock->reg) & CPG_DIV6_CKSTP); + return !(readl(clock->reg) & CPG_DIV6_CKSTP); } static unsigned long cpg_div6_clock_recalc_rate(struct clk_hw *hw, @@ -122,10 +122,10 @@ static int cpg_div6_clock_set_rate(struct clk_hw *hw, unsigned long rate, clock->div = div; - val = clk_readl(clock->reg) & ~CPG_DIV6_DIV_MASK; + val = readl(clock->reg) & ~CPG_DIV6_DIV_MASK; /* Only program the new divisor if the clock isn't stopped. */ if (!(val & CPG_DIV6_CKSTP)) - clk_writel(val | CPG_DIV6_DIV(clock->div - 1), clock->reg); + writel(val | CPG_DIV6_DIV(clock->div - 1), clock->reg); return 0; } @@ -139,7 +139,7 @@ static u8 cpg_div6_clock_get_parent(struct clk_hw *hw) if (clock->src_width == 0) return 0; - hw_index = (clk_readl(clock->reg) >> clock->src_shift) & + hw_index = (readl(clock->reg) >> clock->src_shift) & (BIT(clock->src_width) - 1); for (i = 0; i < clk_hw_get_num_parents(hw); i++) { if (clock->parents[i] == hw_index) @@ -163,8 +163,8 @@ static int cpg_div6_clock_set_parent(struct clk_hw *hw, u8 index) mask = ~((BIT(clock->src_width) - 1) << clock->src_shift); hw_index = clock->parents[index]; - clk_writel((clk_readl(clock->reg) & mask) | - (hw_index << clock->src_shift), clock->reg); + writel((readl(clock->reg) & mask) | (hw_index << clock->src_shift), + clock->reg); return 0; } @@ -241,7 +241,7 @@ struct clk * __init cpg_div6_register(const char *name, * Read the divisor. Disabling the clock overwrites the divisor, so we * need to cache its value for the enable operation. */ - clock->div = (clk_readl(clock->reg) & CPG_DIV6_DIV_MASK) + 1; + clock->div = (readl(clock->reg) & CPG_DIV6_DIV_MASK) + 1; switch (num_parents) { case 1: diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c index 858c24d4da8f..e82adcb16a52 100644 --- a/drivers/clk/renesas/clk-mstp.c +++ b/drivers/clk/renesas/clk-mstp.c @@ -64,13 +64,13 @@ struct mstp_clock { static inline u32 cpg_mstp_read(struct mstp_clock_group *group, u32 __iomem *reg) { - return group->width_8bit ? readb(reg) : clk_readl(reg); + return group->width_8bit ? readb(reg) : readl(reg); } static inline void cpg_mstp_write(struct mstp_clock_group *group, u32 val, u32 __iomem *reg) { - group->width_8bit ? writeb(val, reg) : clk_writel(val, reg); + group->width_8bit ? writeb(val, reg) : writel(val, reg); } static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable) diff --git a/drivers/clk/renesas/clk-r8a73a4.c b/drivers/clk/renesas/clk-r8a73a4.c index 28d204bb659e..7b903ce4c901 100644 --- a/drivers/clk/renesas/clk-r8a73a4.c +++ b/drivers/clk/renesas/clk-r8a73a4.c @@ -71,7 +71,7 @@ r8a73a4_cpg_register_clock(struct device_node *np, struct r8a73a4_cpg *cpg, if (!strcmp(name, "main")) { - u32 ckscr = clk_readl(cpg->reg + CPG_CKSCR); + u32 ckscr = readl(cpg->reg + CPG_CKSCR); switch ((ckscr >> 28) & 3) { case 0: /* extal1 */ @@ -95,14 +95,14 @@ r8a73a4_cpg_register_clock(struct device_node *np, struct r8a73a4_cpg *cpg, * clock implementation and we currently have no need to change * the multiplier value. */ - u32 value = clk_readl(cpg->reg + CPG_PLL0CR); + u32 value = readl(cpg->reg + CPG_PLL0CR); parent_name = "main"; mult = ((value >> 24) & 0x7f) + 1; if (value & BIT(20)) div = 2; } else if (!strcmp(name, "pll1")) { - u32 value = clk_readl(cpg->reg + CPG_PLL1CR); + u32 value = readl(cpg->reg + CPG_PLL1CR); parent_name = "main"; /* XXX: enable bit? */ @@ -125,7 +125,7 @@ r8a73a4_cpg_register_clock(struct device_node *np, struct r8a73a4_cpg *cpg, default: return ERR_PTR(-EINVAL); } - value = clk_readl(cpg->reg + cr); + value = readl(cpg->reg + cr); switch ((value >> 5) & 7) { case 0: parent_name = "main"; @@ -161,8 +161,7 @@ r8a73a4_cpg_register_clock(struct device_node *np, struct r8a73a4_cpg *cpg, shift = 0; } div *= 32; - mult = 0x20 - ((clk_readl(cpg->reg + CPG_FRQCRC) >> shift) - & 0x1f); + mult = 0x20 - ((readl(cpg->reg + CPG_FRQCRC) >> shift) & 0x1f); } else { struct div4_clk *c; diff --git a/drivers/clk/renesas/clk-r8a7740.c b/drivers/clk/renesas/clk-r8a7740.c index 2f7ce6696b6c..d074f8e982d0 100644 --- a/drivers/clk/renesas/clk-r8a7740.c +++ b/drivers/clk/renesas/clk-r8a7740.c @@ -98,20 +98,20 @@ r8a7740_cpg_register_clock(struct device_node *np, struct r8a7740_cpg *cpg, * clock implementation and we currently have no need to change * the multiplier value. */ - u32 value = clk_readl(cpg->reg + CPG_FRQCRC); + u32 value = readl(cpg->reg + CPG_FRQCRC); parent_name = "system"; mult = ((value >> 24) & 0x7f) + 1; } else if (!strcmp(name, "pllc1")) { - u32 value = clk_readl(cpg->reg + CPG_FRQCRA); + u32 value = readl(cpg->reg + CPG_FRQCRA); parent_name = "system"; mult = ((value >> 24) & 0x7f) + 1; div = 2; } else if (!strcmp(name, "pllc2")) { - u32 value = clk_readl(cpg->reg + CPG_PLLC2CR); + u32 value = readl(cpg->reg + CPG_PLLC2CR); parent_name = "system"; mult = ((value >> 24) & 0x3f) + 1; } else if (!strcmp(name, "usb24s")) { - u32 value = clk_readl(cpg->reg + CPG_USBCKCR); + u32 value = readl(cpg->reg + CPG_USBCKCR); if (value & BIT(7)) /* extal2 */ parent_name = of_clk_get_parent_name(np, 1); diff --git a/drivers/clk/renesas/clk-rcar-gen2.c b/drivers/clk/renesas/clk-rcar-gen2.c index d14cbe1ca29a..ee32a022e6da 100644 --- a/drivers/clk/renesas/clk-rcar-gen2.c +++ b/drivers/clk/renesas/clk-rcar-gen2.c @@ -62,8 +62,7 @@ static unsigned long cpg_z_clk_recalc_rate(struct clk_hw *hw, unsigned int mult; unsigned int val; - val = (clk_readl(zclk->reg) & CPG_FRQCRC_ZFC_MASK) - >> CPG_FRQCRC_ZFC_SHIFT; + val = (readl(zclk->reg) & CPG_FRQCRC_ZFC_MASK) >> CPG_FRQCRC_ZFC_SHIFT; mult = 32 - val; return div_u64((u64)parent_rate * mult, 32); @@ -95,21 +94,21 @@ static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate, mult = div_u64((u64)rate * 32, parent_rate); mult = clamp(mult, 1U, 32U); - if (clk_readl(zclk->kick_reg) & CPG_FRQCRB_KICK) + if (readl(zclk->kick_reg) & CPG_FRQCRB_KICK) return -EBUSY; - val = clk_readl(zclk->reg); + val = readl(zclk->reg); val &= ~CPG_FRQCRC_ZFC_MASK; val |= (32 - mult) << CPG_FRQCRC_ZFC_SHIFT; - clk_writel(val, zclk->reg); + writel(val, zclk->reg); /* * Set KICK bit in FRQCRB to update hardware setting and wait for * clock change completion. */ - kick = clk_readl(zclk->kick_reg); + kick = readl(zclk->kick_reg); kick |= CPG_FRQCRB_KICK; - clk_writel(kick, zclk->kick_reg); + writel(kick, zclk->kick_reg); /* * Note: There is no HW information about the worst case latency. @@ -121,7 +120,7 @@ static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate, * "super" safe value. */ for (i = 1000; i; i--) { - if (!(clk_readl(zclk->kick_reg) & CPG_FRQCRB_KICK)) + if (!(readl(zclk->kick_reg) & CPG_FRQCRB_KICK)) return 0; cpu_relax(); @@ -332,7 +331,7 @@ rcar_gen2_cpg_register_clock(struct device_node *np, struct rcar_gen2_cpg *cpg, mult = config->pll0_mult; div = 3; } else { - u32 value = clk_readl(cpg->reg + CPG_PLL0CR); + u32 value = readl(cpg->reg + CPG_PLL0CR); mult = ((value >> 24) & ((1 << 7) - 1)) + 1; } parent_name = "main"; diff --git a/drivers/clk/renesas/clk-rz.c b/drivers/clk/renesas/clk-rz.c index 127c58135c8f..67dd712aa723 100644 --- a/drivers/clk/renesas/clk-rz.c +++ b/drivers/clk/renesas/clk-rz.c @@ -75,9 +75,9 @@ rz_cpg_register_clock(struct device_node *np, struct rz_cpg *cpg, const char *na * let them run at fixed current speed and implement the details later. */ if (strcmp(name, "i") == 0) - val = (clk_readl(cpg->reg + CPG_FRQCR) >> 8) & 3; + val = (readl(cpg->reg + CPG_FRQCR) >> 8) & 3; else if (strcmp(name, "g") == 0) - val = clk_readl(cpg->reg + CPG_FRQCR2) & 3; + val = readl(cpg->reg + CPG_FRQCR2) & 3; else return ERR_PTR(-EINVAL); diff --git a/drivers/clk/renesas/clk-sh73a0.c b/drivers/clk/renesas/clk-sh73a0.c index 3892346c4fcc..bab33610eb6c 100644 --- a/drivers/clk/renesas/clk-sh73a0.c +++ b/drivers/clk/renesas/clk-sh73a0.c @@ -85,7 +85,7 @@ sh73a0_cpg_register_clock(struct device_node *np, struct sh73a0_cpg *cpg, if (!strcmp(name, "main")) { /* extal1, extal1_div2, extal2, extal2_div2 */ - u32 parent_idx = (clk_readl(cpg->reg + CPG_CKSCR) >> 28) & 3; + u32 parent_idx = (readl(cpg->reg + CPG_CKSCR) >> 28) & 3; parent_name = of_clk_get_parent_name(np, parent_idx >> 1); div = (parent_idx & 1) + 1; @@ -110,11 +110,11 @@ sh73a0_cpg_register_clock(struct device_node *np, struct sh73a0_cpg *cpg, default: return ERR_PTR(-EINVAL); } - if (clk_readl(cpg->reg + CPG_PLLECR) & BIT(enable_bit)) { - mult = ((clk_readl(enable_reg) >> 24) & 0x3f) + 1; + if (readl(cpg->reg + CPG_PLLECR) & BIT(enable_bit)) { + mult = ((readl(enable_reg) >> 24) & 0x3f) + 1; /* handle CFG bit for PLL1 and PLL2 */ if (enable_bit == 1 || enable_bit == 2) - if (clk_readl(enable_reg) & BIT(20)) + if (readl(enable_reg) & BIT(20)) mult *= 2; } } else if (!strcmp(name, "dsi0phy") || !strcmp(name, "dsi1phy")) { @@ -193,9 +193,9 @@ static void __init sh73a0_cpg_clocks_init(struct device_node *np) return; /* Set SDHI clocks to a known state */ - clk_writel(0x108, cpg->reg + CPG_SD0CKCR); - clk_writel(0x108, cpg->reg + CPG_SD1CKCR); - clk_writel(0x108, cpg->reg + CPG_SD2CKCR); + writel(0x108, cpg->reg + CPG_SD0CKCR); + writel(0x108, cpg->reg + CPG_SD1CKCR); + writel(0x108, cpg->reg + CPG_SD2CKCR); for (i = 0; i < num_clks; ++i) { const char *name; diff --git a/drivers/clk/renesas/r8a77965-cpg-mssr.c b/drivers/clk/renesas/r8a77965-cpg-mssr.c index 41e506ab557d..b1acfb60351c 100644 --- a/drivers/clk/renesas/r8a77965-cpg-mssr.c +++ b/drivers/clk/renesas/r8a77965-cpg-mssr.c @@ -173,7 +173,7 @@ static const struct mssr_mod_clk r8a77965_mod_clks[] __initconst = { DEF_MOD("hsusb", 704, R8A77965_CLK_S3D4), DEF_MOD("csi20", 714, R8A77965_CLK_CSI0), DEF_MOD("csi40", 716, R8A77965_CLK_CSI0), - DEF_MOD("du2", 722, R8A77965_CLK_S2D1), + DEF_MOD("du3", 721, R8A77965_CLK_S2D1), DEF_MOD("du1", 723, R8A77965_CLK_S2D1), DEF_MOD("du0", 724, R8A77965_CLK_S2D1), DEF_MOD("lvds", 727, R8A77965_CLK_S2D1), diff --git a/drivers/clk/renesas/rcar-gen3-cpg.c b/drivers/clk/renesas/rcar-gen3-cpg.c index 0c8fe10d57fe..628b63b85d3f 100644 --- a/drivers/clk/renesas/rcar-gen3-cpg.c +++ b/drivers/clk/renesas/rcar-gen3-cpg.c @@ -93,7 +93,7 @@ static unsigned long cpg_z_clk_recalc_rate(struct clk_hw *hw, unsigned int mult; u32 val; - val = clk_readl(zclk->reg) & zclk->mask; + val = readl(zclk->reg) & zclk->mask; mult = 32 - (val >> __ffs(zclk->mask)); /* Factor of 2 is for fixed divider */ @@ -125,20 +125,20 @@ static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate, mult = DIV_ROUND_CLOSEST_ULL(rate * 32ULL * 2, parent_rate); mult = clamp(mult, 1U, 32U); - if (clk_readl(zclk->kick_reg) & CPG_FRQCRB_KICK) + if (readl(zclk->kick_reg) & CPG_FRQCRB_KICK) return -EBUSY; - val = clk_readl(zclk->reg) & ~zclk->mask; + val = readl(zclk->reg) & ~zclk->mask; val |= ((32 - mult) << __ffs(zclk->mask)) & zclk->mask; - clk_writel(val, zclk->reg); + writel(val, zclk->reg); /* * Set KICK bit in FRQCRB to update hardware setting and wait for * clock change completion. */ - kick = clk_readl(zclk->kick_reg); + kick = readl(zclk->kick_reg); kick |= CPG_FRQCRB_KICK; - clk_writel(kick, zclk->kick_reg); + writel(kick, zclk->kick_reg); /* * Note: There is no HW information about the worst case latency. @@ -150,7 +150,7 @@ static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate, * "super" safe value. */ for (i = 1000; i; i--) { - if (!(clk_readl(zclk->kick_reg) & CPG_FRQCRB_KICK)) + if (!(readl(zclk->kick_reg) & CPG_FRQCRB_KICK)) return 0; cpu_relax(); diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c index 96c678799623..4e88e980fb76 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.c +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -705,7 +705,7 @@ static const struct of_device_id cpg_mssr_match[] = { .data = &r8a77970_cpg_mssr_info, }, #endif -#ifdef CONFIG_ARCH_R8A77980 +#ifdef CONFIG_CLK_R8A77980 { .compatible = "renesas,r8a77980-cpg-mssr", .data = &r8a77980_cpg_mssr_info, |