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A couple build fixes for issues exposed this merge window and a fix for

Browse Source 
the eMMC clk on AST2600 SoCs that fixes the rate that is calculated by
 the clk framework.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux into master

Pull clk fixes from Stephen Boyd:
 "A couple build fixes for issues exposed this merge window and a fix
  for the eMMC clk on AST2600 SoCs that fixes the rate that is
  calculated by the clk framework"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: Specify IOMEM dependency for HSDK pll driver
  clk: AST2600: Add mux for EMMC clock
  clk: mvebu: ARMADA_AP_CPU_CLK needs to select ARMADA_AP_CP_HELPER
This commit is contained in:
Linus Torvalds 2020-07-15 19:00:12 -07:00
commit f8456690ba
3 changed files with 43 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/clk/Kconfig
View File

@ -50,6 +50,7 @@ source "drivers/clk/versatile/Kconfig"
config CLK_HSDK
bool "PLL Driver for HSDK platform"
depends on OF || COMPILE_TEST
depends on IOMEM
help
This driver supports the HSDK core, system, ddr, tunnel and hdmi PLLs
control.

49
drivers/clk/clk-ast2600.c
View File

@ -131,6 +131,18 @@ static const struct clk_div_table ast2600_eclk_div_table[] = {
{ 0 }
};
static const struct clk_div_table ast2600_emmc_extclk_div_table[] = {
{ 0x0, 2 },
{ 0x1, 4 },
{ 0x2, 6 },
{ 0x3, 8 },
{ 0x4, 10 },
{ 0x5, 12 },
{ 0x6, 14 },
{ 0x7, 16 },
{ 0 }
};
static const struct clk_div_table ast2600_mac_div_table[] = {
{ 0x0, 4 },
{ 0x1, 4 },
@ -390,6 +402,11 @@ static struct clk_hw *aspeed_g6_clk_hw_register_gate(struct device *dev,
return hw;
}
static const char *const emmc_extclk_parent_names[] = {
"emmc_extclk_hpll_in",
"mpll",
};
static const char * const vclk_parent_names[] = {
"dpll",
"d1pll",
@ -459,16 +476,32 @@ static int aspeed_g6_clk_probe(struct platform_device *pdev)
return PTR_ERR(hw);
aspeed_g6_clk_data->hws[ASPEED_CLK_UARTX] = hw;
/* EMMC ext clock divider */
hw = clk_hw_register_gate(dev, "emmc_extclk_gate", "hpll", 0,
scu_g6_base + ASPEED_G6_CLK_SELECTION1, 15, 0,
&aspeed_g6_clk_lock);
/* EMMC ext clock */
hw = clk_hw_register_fixed_factor(dev, "emmc_extclk_hpll_in", "hpll",
0, 1, 2);
if (IS_ERR(hw))
return PTR_ERR(hw);
hw = clk_hw_register_divider_table(dev, "emmc_extclk", "emmc_extclk_gate", 0,
scu_g6_base + ASPEED_G6_CLK_SELECTION1, 12, 3, 0,
ast2600_div_table,
&aspeed_g6_clk_lock);
hw = clk_hw_register_mux(dev, "emmc_extclk_mux",
emmc_extclk_parent_names,
ARRAY_SIZE(emmc_extclk_parent_names), 0,
scu_g6_base + ASPEED_G6_CLK_SELECTION1, 11, 1,
0, &aspeed_g6_clk_lock);
if (IS_ERR(hw))
return PTR_ERR(hw);
hw = clk_hw_register_gate(dev, "emmc_extclk_gate", "emmc_extclk_mux",
0, scu_g6_base + ASPEED_G6_CLK_SELECTION1,
15, 0, &aspeed_g6_clk_lock);
if (IS_ERR(hw))
return PTR_ERR(hw);
hw = clk_hw_register_divider_table(dev, "emmc_extclk",
"emmc_extclk_gate", 0,
scu_g6_base +
ASPEED_G6_CLK_SELECTION1, 12,
3, 0, ast2600_emmc_extclk_div_table,
&aspeed_g6_clk_lock);
if (IS_ERR(hw))
return PTR_ERR(hw);
aspeed_g6_clk_data->hws[ASPEED_CLK_EMMC] = hw;

1
drivers/clk/mvebu/Kconfig
View File

@ -42,6 +42,7 @@ config ARMADA_AP806_SYSCON
config ARMADA_AP_CPU_CLK
bool
select ARMADA_AP_CP_HELPER
config ARMADA_CP110_SYSCON
bool