summaryrefslogtreecommitdiff
path: root/drivers/clk
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/imx/clk-gate2.c7
-rw-r--r--drivers/clk/imx/clk-vf610.c99
-rw-r--r--drivers/clk/imx/clk.h13
-rw-r--r--drivers/clk/mvebu/kirkwood.c1
4 files changed, 105 insertions, 15 deletions
diff --git a/drivers/clk/imx/clk-gate2.c b/drivers/clk/imx/clk-gate2.c
index 8935bff99fe7..db44a198a0d9 100644
--- a/drivers/clk/imx/clk-gate2.c
+++ b/drivers/clk/imx/clk-gate2.c
@@ -31,6 +31,7 @@ struct clk_gate2 {
struct clk_hw hw;
void __iomem *reg;
u8 bit_idx;
+ u8 cgr_val;
u8 flags;
spinlock_t *lock;
unsigned int *share_count;
@@ -50,7 +51,8 @@ static int clk_gate2_enable(struct clk_hw *hw)
goto out;
reg = readl(gate->reg);
- reg |= 3 << gate->bit_idx;
+ reg &= ~(3 << gate->bit_idx);
+ reg |= gate->cgr_val << gate->bit_idx;
writel(reg, gate->reg);
out:
@@ -125,7 +127,7 @@ static struct clk_ops clk_gate2_ops = {
struct clk *clk_register_gate2(struct device *dev, const char *name,
const char *parent_name, unsigned long flags,
- void __iomem *reg, u8 bit_idx,
+ void __iomem *reg, u8 bit_idx, u8 cgr_val,
u8 clk_gate2_flags, spinlock_t *lock,
unsigned int *share_count)
{
@@ -140,6 +142,7 @@ struct clk *clk_register_gate2(struct device *dev, const char *name,
/* struct clk_gate2 assignments */
gate->reg = reg;
gate->bit_idx = bit_idx;
+ gate->cgr_val = cgr_val;
gate->flags = clk_gate2_flags;
gate->lock = lock;
gate->share_count = share_count;
diff --git a/drivers/clk/imx/clk-vf610.c b/drivers/clk/imx/clk-vf610.c
index 2c92a2706fdd..54e8536c6787 100644
--- a/drivers/clk/imx/clk-vf610.c
+++ b/drivers/clk/imx/clk-vf610.c
@@ -10,6 +10,7 @@
#include <linux/of_address.h>
#include <linux/clk.h>
+#include <linux/syscore_ops.h>
#include <dt-bindings/clock/vf610-clock.h>
#include "clk.h"
@@ -40,6 +41,7 @@
#define CCM_CCGR9 (ccm_base + 0x64)
#define CCM_CCGR10 (ccm_base + 0x68)
#define CCM_CCGR11 (ccm_base + 0x6c)
+#define CCM_CCGRx(x) (CCM_CCGR0 + (x) * 4)
#define CCM_CMEOR0 (ccm_base + 0x70)
#define CCM_CMEOR1 (ccm_base + 0x74)
#define CCM_CMEOR2 (ccm_base + 0x78)
@@ -115,10 +117,25 @@ static struct clk_div_table pll4_audio_div_table[] = {
static struct clk *clk[VF610_CLK_END];
static struct clk_onecell_data clk_data;
+static u32 anadig_pll3_ctrl;
+static u32 anadig_pll4_ctrl;
+static u32 anadig_pll5_ctrl;
+static u32 anadig_pll6_ctrl;
+static u32 anadig_pll7_ctrl;
+static u32 ccpgr0;
+static u32 cscmr1;
+static u32 cscmr2;
+static u32 cscdr1;
+static u32 cscdr2;
+static u32 cscdr3;
+static u32 ccgr[12];
+
static unsigned int const clks_init_on[] __initconst = {
VF610_CLK_SYS_BUS,
VF610_CLK_DDR_SEL,
VF610_CLK_DAP,
+ VF610_CLK_DDRMC,
+ VF610_CLK_WKPU,
};
static struct clk * __init vf610_get_fixed_clock(
@@ -132,6 +149,57 @@ static struct clk * __init vf610_get_fixed_clock(
return clk;
};
+static int vf610_clk_suspend(void)
+{
+ int i;
+
+ anadig_pll3_ctrl = readl_relaxed(PLL3_CTRL);
+ anadig_pll4_ctrl = readl_relaxed(PLL4_CTRL);
+ anadig_pll5_ctrl = readl_relaxed(PLL5_CTRL);
+ anadig_pll6_ctrl = readl_relaxed(PLL6_CTRL);
+ anadig_pll7_ctrl = readl_relaxed(PLL7_CTRL);
+
+ ccpgr0 = readl_relaxed(CCM_CCPGR0);
+ cscmr1 = readl_relaxed(CCM_CSCMR1);
+ cscmr2 = readl_relaxed(CCM_CSCMR2);
+
+ cscdr1 = readl_relaxed(CCM_CSCDR1);
+ cscdr2 = readl_relaxed(CCM_CSCDR2);
+ cscdr3 = readl_relaxed(CCM_CSCDR3);
+
+ for (i = 0; i < 12; i++)
+ ccgr[i] = readl_relaxed(CCM_CCGRx(i));
+
+ return 0;
+}
+
+static void vf610_clk_resume(void)
+{
+ int i;
+
+ writel_relaxed(anadig_pll3_ctrl, PLL3_CTRL);
+ writel_relaxed(anadig_pll4_ctrl, PLL4_CTRL);
+ writel_relaxed(anadig_pll5_ctrl, PLL5_CTRL);
+ writel_relaxed(anadig_pll6_ctrl, PLL6_CTRL);
+ writel_relaxed(anadig_pll7_ctrl, PLL7_CTRL);
+
+ writel_relaxed(ccpgr0, CCM_CCPGR0);
+ writel_relaxed(cscmr1, CCM_CSCMR1);
+ writel_relaxed(cscmr2, CCM_CSCMR2);
+
+ writel_relaxed(cscdr1, CCM_CSCDR1);
+ writel_relaxed(cscdr2, CCM_CSCDR2);
+ writel_relaxed(cscdr3, CCM_CSCDR3);
+
+ for (i = 0; i < 12; i++)
+ writel_relaxed(ccgr[i], CCM_CCGRx(i));
+}
+
+static struct syscore_ops vf610_clk_syscore_ops = {
+ .suspend = vf610_clk_suspend,
+ .resume = vf610_clk_resume,
+};
+
static void __init vf610_clocks_init(struct device_node *ccm_node)
{
struct device_node *np;
@@ -234,6 +302,9 @@ static void __init vf610_clocks_init(struct device_node *ccm_node)
clk[VF610_CLK_PLL4_MAIN_DIV] = clk_register_divider_table(NULL, "pll4_audio_div", "pll4_audio", 0, CCM_CACRR, 6, 3, 0, pll4_audio_div_table, &imx_ccm_lock);
clk[VF610_CLK_PLL6_MAIN_DIV] = imx_clk_divider("pll6_video_div", "pll6_video", CCM_CACRR, 21, 1);
+ clk[VF610_CLK_DDRMC] = imx_clk_gate2_cgr("ddrmc", "ddr_sel", CCM_CCGR6, CCM_CCGRx_CGn(14), 0x2);
+ clk[VF610_CLK_WKPU] = imx_clk_gate2_cgr("wkpu", "ipg_bus", CCM_CCGR4, CCM_CCGRx_CGn(10), 0x2);
+
clk[VF610_CLK_USBPHY0] = imx_clk_gate("usbphy0", "pll3_usb_otg", PLL3_CTRL, 6);
clk[VF610_CLK_USBPHY1] = imx_clk_gate("usbphy1", "pll7_usb_host", PLL7_CTRL, 6);
@@ -262,15 +333,16 @@ static void __init vf610_clocks_init(struct device_node *ccm_node)
clk[VF610_CLK_ENET_TS] = imx_clk_gate("enet_ts", "enet_ts_sel", CCM_CSCDR1, 23);
clk[VF610_CLK_ENET0] = imx_clk_gate2("enet0", "ipg_bus", CCM_CCGR9, CCM_CCGRx_CGn(0));
clk[VF610_CLK_ENET1] = imx_clk_gate2("enet1", "ipg_bus", CCM_CCGR9, CCM_CCGRx_CGn(1));
+ clk[VF610_CLK_ESW] = imx_clk_gate2("esw", "ipg_bus", CCM_CCGR10, CCM_CCGRx_CGn(8));
clk[VF610_CLK_PIT] = imx_clk_gate2("pit", "ipg_bus", CCM_CCGR1, CCM_CCGRx_CGn(7));
- clk[VF610_CLK_UART0] = imx_clk_gate2("uart0", "ipg_bus", CCM_CCGR0, CCM_CCGRx_CGn(7));
- clk[VF610_CLK_UART1] = imx_clk_gate2("uart1", "ipg_bus", CCM_CCGR0, CCM_CCGRx_CGn(8));
- clk[VF610_CLK_UART2] = imx_clk_gate2("uart2", "ipg_bus", CCM_CCGR0, CCM_CCGRx_CGn(9));
- clk[VF610_CLK_UART3] = imx_clk_gate2("uart3", "ipg_bus", CCM_CCGR0, CCM_CCGRx_CGn(10));
- clk[VF610_CLK_UART4] = imx_clk_gate2("uart4", "ipg_bus", CCM_CCGR6, CCM_CCGRx_CGn(9));
- clk[VF610_CLK_UART5] = imx_clk_gate2("uart5", "ipg_bus", CCM_CCGR6, CCM_CCGRx_CGn(10));
+ clk[VF610_CLK_UART0] = imx_clk_gate2_cgr("uart0", "ipg_bus", CCM_CCGR0, CCM_CCGRx_CGn(7), 0x2);
+ clk[VF610_CLK_UART1] = imx_clk_gate2_cgr("uart1", "ipg_bus", CCM_CCGR0, CCM_CCGRx_CGn(8), 0x2);
+ clk[VF610_CLK_UART2] = imx_clk_gate2_cgr("uart2", "ipg_bus", CCM_CCGR0, CCM_CCGRx_CGn(9), 0x2);
+ clk[VF610_CLK_UART3] = imx_clk_gate2_cgr("uart3", "ipg_bus", CCM_CCGR0, CCM_CCGRx_CGn(10), 0x2);
+ clk[VF610_CLK_UART4] = imx_clk_gate2_cgr("uart4", "ipg_bus", CCM_CCGR6, CCM_CCGRx_CGn(9), 0x2);
+ clk[VF610_CLK_UART5] = imx_clk_gate2_cgr("uart5", "ipg_bus", CCM_CCGR6, CCM_CCGRx_CGn(10), 0x2);
clk[VF610_CLK_I2C0] = imx_clk_gate2("i2c0", "ipg_bus", CCM_CCGR4, CCM_CCGRx_CGn(6));
clk[VF610_CLK_I2C1] = imx_clk_gate2("i2c1", "ipg_bus", CCM_CCGR4, CCM_CCGRx_CGn(7));
@@ -322,11 +394,14 @@ static void __init vf610_clocks_init(struct device_node *ccm_node)
clk[VF610_CLK_DCU0_SEL] = imx_clk_mux("dcu0_sel", CCM_CSCMR1, 28, 1, dcu_sels, 2);
clk[VF610_CLK_DCU0_EN] = imx_clk_gate("dcu0_en", "dcu0_sel", CCM_CSCDR3, 19);
clk[VF610_CLK_DCU0_DIV] = imx_clk_divider("dcu0_div", "dcu0_en", CCM_CSCDR3, 16, 3);
- clk[VF610_CLK_DCU0] = imx_clk_gate2("dcu0", "dcu0_div", CCM_CCGR3, CCM_CCGRx_CGn(8));
+ clk[VF610_CLK_DCU0] = imx_clk_gate2("dcu0", "ipg_bus", CCM_CCGR3, CCM_CCGRx_CGn(8));
clk[VF610_CLK_DCU1_SEL] = imx_clk_mux("dcu1_sel", CCM_CSCMR1, 29, 1, dcu_sels, 2);
clk[VF610_CLK_DCU1_EN] = imx_clk_gate("dcu1_en", "dcu1_sel", CCM_CSCDR3, 23);
clk[VF610_CLK_DCU1_DIV] = imx_clk_divider("dcu1_div", "dcu1_en", CCM_CSCDR3, 20, 3);
- clk[VF610_CLK_DCU1] = imx_clk_gate2("dcu1", "dcu1_div", CCM_CCGR9, CCM_CCGRx_CGn(8));
+ clk[VF610_CLK_DCU1] = imx_clk_gate2("dcu1", "ipg_bus", CCM_CCGR9, CCM_CCGRx_CGn(8));
+
+ clk[VF610_CLK_TCON0] = imx_clk_gate2("tcon0", "platform_bus", CCM_CCGR1, CCM_CCGRx_CGn(13));
+ clk[VF610_CLK_TCON1] = imx_clk_gate2("tcon1", "platform_bus", CCM_CCGR7, CCM_CCGRx_CGn(13));
clk[VF610_CLK_ESAI_SEL] = imx_clk_mux("esai_sel", CCM_CSCMR1, 20, 2, esai_sels, 4);
clk[VF610_CLK_ESAI_EN] = imx_clk_gate("esai_en", "esai_sel", CCM_CSCDR2, 30);
@@ -402,17 +477,21 @@ static void __init vf610_clocks_init(struct device_node *ccm_node)
clk_set_rate(clk[VF610_CLK_QSPI1_X2_DIV], clk_get_rate(clk[VF610_CLK_QSPI1_X4_DIV]) / 2);
clk_set_rate(clk[VF610_CLK_QSPI1_X1_DIV], clk_get_rate(clk[VF610_CLK_QSPI1_X2_DIV]) / 2);
- clk_set_parent(clk[VF610_CLK_SAI0_SEL], clk[VF610_CLK_AUDIO_EXT]);
+ clk_set_parent(clk[VF610_CLK_SAI0_SEL], clk[VF610_CLK_PLL4_MAIN_DIV]);
clk_set_parent(clk[VF610_CLK_SAI1_SEL], clk[VF610_CLK_AUDIO_EXT]);
- clk_set_parent(clk[VF610_CLK_SAI2_SEL], clk[VF610_CLK_AUDIO_EXT]);
+ clk_set_parent(clk[VF610_CLK_SAI2_SEL], clk[VF610_CLK_PLL4_MAIN_DIV]);
clk_set_parent(clk[VF610_CLK_SAI3_SEL], clk[VF610_CLK_AUDIO_EXT]);
+ clk_set_rate(clk[VF610_CLK_PLL4_MAIN_DIV], 147456000);
for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
clk_prepare_enable(clk[clks_init_on[i]]);
+ register_syscore_ops(&vf610_clk_syscore_ops);
+
/* Add the clocks to provider list */
clk_data.clks = clk;
clk_data.clk_num = ARRAY_SIZE(clk);
of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
}
CLK_OF_DECLARE(vf610, "fsl,vf610-ccm", vf610_clocks_init);
+
diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index c94ac5c26226..9311755da52f 100644
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -41,7 +41,7 @@ struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,
struct clk *clk_register_gate2(struct device *dev, const char *name,
const char *parent_name, unsigned long flags,
- void __iomem *reg, u8 bit_idx,
+ void __iomem *reg, u8 bit_idx, u8 cgr_val,
u8 clk_gate_flags, spinlock_t *lock,
unsigned int *share_count);
@@ -55,7 +55,7 @@ static inline struct clk *imx_clk_gate2(const char *name, const char *parent,
void __iomem *reg, u8 shift)
{
return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
- shift, 0, &imx_ccm_lock, NULL);
+ shift, 0x3, 0, &imx_ccm_lock, NULL);
}
static inline struct clk *imx_clk_gate2_shared(const char *name,
@@ -63,7 +63,14 @@ static inline struct clk *imx_clk_gate2_shared(const char *name,
unsigned int *share_count)
{
return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
- shift, 0, &imx_ccm_lock, share_count);
+ shift, 0x3, 0, &imx_ccm_lock, share_count);
+}
+
+static inline struct clk *imx_clk_gate2_cgr(const char *name, const char *parent,
+ void __iomem *reg, u8 shift, u8 cgr_val)
+{
+ return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
+ shift, cgr_val, 0, &imx_ccm_lock, NULL);
}
struct clk *imx_clk_pfd(const char *name, const char *parent_name,
diff --git a/drivers/clk/mvebu/kirkwood.c b/drivers/clk/mvebu/kirkwood.c
index 1d2b9a1a9609..53b1d300ed8f 100644
--- a/drivers/clk/mvebu/kirkwood.c
+++ b/drivers/clk/mvebu/kirkwood.c
@@ -254,6 +254,7 @@ static const char *powersave_parents[] = {
static const struct clk_muxing_soc_desc kirkwood_mux_desc[] __initconst = {
{ "powersave", powersave_parents, ARRAY_SIZE(powersave_parents),
11, 1, 0 },
+ { }
};
#define to_clk_mux(_hw) container_of(_hw, struct clk_mux, hw)
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-11 22:06:41 +0000