Merge branch 'clk-fixes' into clk-next
* clk-fixes: clk: keystone: sci-clk: Fix sci_clk_get clk: meson: mpll: fix mpll0 fractional part ignored clk: samsung: exynos5420: The EPLL rate table corrections clk: sunxi-ng: sun5i: Add clk_set_rate_parent to the CPU clock
This commit is contained in:
commit
8e7be401f2
|
@ -22,6 +22,7 @@
|
|||
#include <linux/platform_device.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/soc/ti/ti_sci_protocol.h>
|
||||
#include <linux/bsearch.h>
|
||||
|
||||
#define SCI_CLK_SSC_ENABLE BIT(0)
|
||||
#define SCI_CLK_ALLOW_FREQ_CHANGE BIT(1)
|
||||
|
@ -44,6 +45,7 @@ struct sci_clk_data {
|
|||
* @dev: Device pointer for the clock provider
|
||||
* @clk_data: Clock data
|
||||
* @clocks: Clocks array for this device
|
||||
* @num_clocks: Total number of clocks for this provider
|
||||
*/
|
||||
struct sci_clk_provider {
|
||||
const struct ti_sci_handle *sci;
|
||||
|
@ -51,6 +53,7 @@ struct sci_clk_provider {
|
|||
struct device *dev;
|
||||
const struct sci_clk_data *clk_data;
|
||||
struct clk_hw **clocks;
|
||||
int num_clocks;
|
||||
};
|
||||
|
||||
/**
|
||||
|
@ -58,7 +61,6 @@ struct sci_clk_provider {
|
|||
* @hw: Hardware clock cookie for common clock framework
|
||||
* @dev_id: Device index
|
||||
* @clk_id: Clock index
|
||||
* @node: Clocks list link
|
||||
* @provider: Master clock provider
|
||||
* @flags: Flags for the clock
|
||||
*/
|
||||
|
@ -66,7 +68,6 @@ struct sci_clk {
|
|||
struct clk_hw hw;
|
||||
u16 dev_id;
|
||||
u8 clk_id;
|
||||
struct list_head node;
|
||||
struct sci_clk_provider *provider;
|
||||
u8 flags;
|
||||
};
|
||||
|
@ -367,6 +368,19 @@ err:
|
|||
return &sci_clk->hw;
|
||||
}
|
||||
|
||||
static int _cmp_sci_clk(const void *a, const void *b)
|
||||
{
|
||||
const struct sci_clk *ca = a;
|
||||
const struct sci_clk *cb = *(struct sci_clk **)b;
|
||||
|
||||
if (ca->dev_id == cb->dev_id && ca->clk_id == cb->clk_id)
|
||||
return 0;
|
||||
if (ca->dev_id > cb->dev_id ||
|
||||
(ca->dev_id == cb->dev_id && ca->clk_id > cb->clk_id))
|
||||
return 1;
|
||||
return -1;
|
||||
}
|
||||
|
||||
/**
|
||||
* sci_clk_get - Xlate function for getting clock handles
|
||||
* @clkspec: device tree clock specifier
|
||||
|
@ -380,29 +394,22 @@ err:
|
|||
static struct clk_hw *sci_clk_get(struct of_phandle_args *clkspec, void *data)
|
||||
{
|
||||
struct sci_clk_provider *provider = data;
|
||||
u16 dev_id;
|
||||
u8 clk_id;
|
||||
const struct sci_clk_data *clks = provider->clk_data;
|
||||
struct clk_hw **clocks = provider->clocks;
|
||||
struct sci_clk **clk;
|
||||
struct sci_clk key;
|
||||
|
||||
if (clkspec->args_count != 2)
|
||||
return ERR_PTR(-EINVAL);
|
||||
|
||||
dev_id = clkspec->args[0];
|
||||
clk_id = clkspec->args[1];
|
||||
key.dev_id = clkspec->args[0];
|
||||
key.clk_id = clkspec->args[1];
|
||||
|
||||
while (clks->num_clks) {
|
||||
if (clks->dev == dev_id) {
|
||||
if (clk_id >= clks->num_clks)
|
||||
return ERR_PTR(-EINVAL);
|
||||
clk = bsearch(&key, provider->clocks, provider->num_clocks,
|
||||
sizeof(clk), _cmp_sci_clk);
|
||||
|
||||
return clocks[clk_id];
|
||||
}
|
||||
if (!clk)
|
||||
return ERR_PTR(-ENODEV);
|
||||
|
||||
clks++;
|
||||
}
|
||||
|
||||
return ERR_PTR(-ENODEV);
|
||||
return &(*clk)->hw;
|
||||
}
|
||||
|
||||
static int ti_sci_init_clocks(struct sci_clk_provider *p)
|
||||
|
@ -410,18 +417,29 @@ static int ti_sci_init_clocks(struct sci_clk_provider *p)
|
|||
const struct sci_clk_data *data = p->clk_data;
|
||||
struct clk_hw *hw;
|
||||
int i;
|
||||
int num_clks = 0;
|
||||
|
||||
while (data->num_clks) {
|
||||
p->clocks = devm_kcalloc(p->dev, data->num_clks,
|
||||
sizeof(struct sci_clk),
|
||||
GFP_KERNEL);
|
||||
if (!p->clocks)
|
||||
return -ENOMEM;
|
||||
num_clks += data->num_clks;
|
||||
data++;
|
||||
}
|
||||
|
||||
p->num_clocks = num_clks;
|
||||
|
||||
p->clocks = devm_kcalloc(p->dev, num_clks, sizeof(struct sci_clk),
|
||||
GFP_KERNEL);
|
||||
if (!p->clocks)
|
||||
return -ENOMEM;
|
||||
|
||||
num_clks = 0;
|
||||
|
||||
data = p->clk_data;
|
||||
|
||||
while (data->num_clks) {
|
||||
for (i = 0; i < data->num_clks; i++) {
|
||||
hw = _sci_clk_build(p, data->dev, i);
|
||||
if (!IS_ERR(hw)) {
|
||||
p->clocks[i] = hw;
|
||||
p->clocks[num_clks++] = hw;
|
||||
continue;
|
||||
}
|
||||
|
||||
|
|
|
@ -161,6 +161,13 @@ static int mpll_set_rate(struct clk_hw *hw,
|
|||
reg = PARM_SET(p->width, p->shift, reg, 1);
|
||||
writel(reg, mpll->base + p->reg_off);
|
||||
|
||||
p = &mpll->ssen;
|
||||
if (p->width != 0) {
|
||||
reg = readl(mpll->base + p->reg_off);
|
||||
reg = PARM_SET(p->width, p->shift, reg, 1);
|
||||
writel(reg, mpll->base + p->reg_off);
|
||||
}
|
||||
|
||||
p = &mpll->n2;
|
||||
reg = readl(mpll->base + p->reg_off);
|
||||
reg = PARM_SET(p->width, p->shift, reg, n2);
|
||||
|
|
|
@ -118,6 +118,7 @@ struct meson_clk_mpll {
|
|||
struct parm sdm_en;
|
||||
struct parm n2;
|
||||
struct parm en;
|
||||
struct parm ssen;
|
||||
spinlock_t *lock;
|
||||
};
|
||||
|
||||
|
|
|
@ -528,6 +528,11 @@ static struct meson_clk_mpll gxbb_mpll0 = {
|
|||
.shift = 14,
|
||||
.width = 1,
|
||||
},
|
||||
.ssen = {
|
||||
.reg_off = HHI_MPLL_CNTL,
|
||||
.shift = 25,
|
||||
.width = 1,
|
||||
},
|
||||
.lock = &clk_lock,
|
||||
.hw.init = &(struct clk_init_data){
|
||||
.name = "mpll0",
|
||||
|
|
|
@ -267,6 +267,11 @@ static struct meson_clk_mpll meson8b_mpll0 = {
|
|||
.shift = 14,
|
||||
.width = 1,
|
||||
},
|
||||
.ssen = {
|
||||
.reg_off = HHI_MPLL_CNTL,
|
||||
.shift = 25,
|
||||
.width = 1,
|
||||
},
|
||||
.lock = &clk_lock,
|
||||
.hw.init = &(struct clk_init_data){
|
||||
.name = "mpll0",
|
||||
|
|
|
@ -1283,16 +1283,16 @@ static const struct samsung_pll_rate_table exynos5420_pll2550x_24mhz_tbl[] __ini
|
|||
static const struct samsung_pll_rate_table exynos5420_epll_24mhz_tbl[] = {
|
||||
PLL_36XX_RATE(600000000U, 100, 2, 1, 0),
|
||||
PLL_36XX_RATE(400000000U, 200, 3, 2, 0),
|
||||
PLL_36XX_RATE(393216000U, 197, 3, 2, 25690),
|
||||
PLL_36XX_RATE(361267200U, 301, 5, 2, 3671),
|
||||
PLL_36XX_RATE(393216003U, 197, 3, 2, -25690),
|
||||
PLL_36XX_RATE(361267218U, 301, 5, 2, 3671),
|
||||
PLL_36XX_RATE(200000000U, 200, 3, 3, 0),
|
||||
PLL_36XX_RATE(196608000U, 197, 3, 3, -25690),
|
||||
PLL_36XX_RATE(180633600U, 301, 5, 3, 3671),
|
||||
PLL_36XX_RATE(131072000U, 131, 3, 3, 4719),
|
||||
PLL_36XX_RATE(196608001U, 197, 3, 3, -25690),
|
||||
PLL_36XX_RATE(180633609U, 301, 5, 3, 3671),
|
||||
PLL_36XX_RATE(131072006U, 131, 3, 3, 4719),
|
||||
PLL_36XX_RATE(100000000U, 200, 3, 4, 0),
|
||||
PLL_36XX_RATE(65536000U, 131, 3, 4, 4719),
|
||||
PLL_36XX_RATE(49152000U, 197, 3, 5, 25690),
|
||||
PLL_36XX_RATE(32768000U, 131, 3, 5, 4719),
|
||||
PLL_36XX_RATE( 65536003U, 131, 3, 4, 4719),
|
||||
PLL_36XX_RATE( 49152000U, 197, 3, 5, -25690),
|
||||
PLL_36XX_RATE( 32768001U, 131, 3, 5, 4719),
|
||||
};
|
||||
|
||||
static struct samsung_pll_clock exynos5x_plls[nr_plls] __initdata = {
|
||||
|
|
|
@ -184,7 +184,7 @@ static struct ccu_mux cpu_clk = {
|
|||
.hw.init = CLK_HW_INIT_PARENTS("cpu",
|
||||
cpu_parents,
|
||||
&ccu_mux_ops,
|
||||
CLK_IS_CRITICAL),
|
||||
CLK_SET_RATE_PARENT | CLK_IS_CRITICAL),
|
||||
}
|
||||
};
|
||||
|
||||
|
|
Loading…
Reference in New Issue