[PATCH V4 44/62] SPEAr: Adding and Updating Clock definitions
Viresh Kumar
viresh.kumar at st.com
Tue Jan 18 02:12:11 EST 2011
Signed-off-by: Deepak Sikri <deepak.sikri at st.com>
Signed-off-by: shiraz hashim <shiraz.hashim at st.com>
Signed-off-by: Viresh Kumar <viresh.kumar at st.com>
---
arch/arm/mach-spear13xx/clock.c | 210 ++++++++++++++++++++-
arch/arm/mach-spear13xx/include/mach/misc_regs.h | 19 ++
arch/arm/mach-spear3xx/clock.c | 6 +-
arch/arm/mach-spear6xx/clock.c | 4 +-
4 files changed, 224 insertions(+), 15 deletions(-)
diff --git a/arch/arm/mach-spear13xx/clock.c b/arch/arm/mach-spear13xx/clock.c
index a7e75ca..43e1bf1 100644
--- a/arch/arm/mach-spear13xx/clock.c
+++ b/arch/arm/mach-spear13xx/clock.c
@@ -355,6 +355,7 @@ static struct aux_clk_config uart_synth_config = {
/* aux rate configuration table, in ascending order of rates */
struct aux_rate_tbl aux_rtbl[] = {
/* For PLL1div2 = 500 MHz */
+ {.xscale = 2, .yscale = 21, .eq = 1}, /* 48 MHz */
{.xscale = 1, .yscale = 6, .eq = 1}, /* 83 MHz */
{.xscale = 1, .yscale = 4, .eq = 1}, /* 125 MHz */
{.xscale = 1, .yscale = 3, .eq = 1}, /* 166 MHz */
@@ -369,7 +370,7 @@ static struct clk uart_synth_clk = {
.calc_rate = &aux_calc_rate,
.recalc = &aux_clk_recalc,
.set_rate = &aux_clk_set_rate,
- .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 0},
+ .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 1},
.private_data = &uart_synth_config,
};
@@ -415,7 +416,7 @@ static struct clk sdhci_synth_clk = {
.calc_rate = &aux_calc_rate,
.recalc = &aux_clk_recalc,
.set_rate = &aux_clk_set_rate,
- .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 2},
+ .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 0},
.private_data = &sdhci_synth_config,
};
@@ -441,7 +442,7 @@ static struct clk cfxd_synth_clk = {
.calc_rate = &aux_calc_rate,
.recalc = &aux_clk_recalc,
.set_rate = &aux_clk_set_rate,
- .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 2},
+ .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 0},
.private_data = &cfxd_synth_config,
};
@@ -467,7 +468,7 @@ static struct clk c3_synth_clk = {
.calc_rate = &aux_calc_rate,
.recalc = &aux_clk_recalc,
.set_rate = &aux_clk_set_rate,
- .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 0},
+ .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 1},
.private_data = &c3_synth_config,
};
@@ -579,7 +580,7 @@ static struct pclk_sel gmac_phy_pclk_sel = {
};
/* gmac phy clock */
-static struct clk gmac_phy_clk = {
+static struct clk gmac_phy0_clk = {
.flags = ALWAYS_ENABLED,
.pclk_sel = &gmac_phy_pclk_sel,
.pclk_sel_shift = GMAC_PHY_CLK_SHIFT,
@@ -697,8 +698,8 @@ static struct clk jpeg_clk = {
.recalc = &follow_parent,
};
-/* gmac clock */
-static struct clk gmac_clk = {
+/* gmac clock :Fixed Part*/
+static struct clk gmac0_clk = {
.pclk = &ahb_clk,
.en_reg = PERIP1_CLK_ENB,
.en_reg_bit = GMAC_CLK_ENB,
@@ -839,6 +840,92 @@ static struct clk kbd_clk = {
.recalc = &follow_parent,
};
+/* RAS CLOCKS */
+/* pll3 generated clock */
+static struct clk ras_pll3_clk = {
+ .pclk = &pll3_clk,
+ .en_reg = RAS_CLK_ENB,
+ .en_reg_bit = PLL3_CLK_ENB,
+ .recalc = &follow_parent,
+};
+
+/* pll2 generated clock */
+static struct clk ras_pll2_clk = {
+ .pclk = &pll2_clk,
+ .en_reg = RAS_CLK_ENB,
+ .en_reg_bit = PLL2_CLK_ENB,
+ .recalc = &follow_parent,
+};
+
+/* 125MHz clock generated on Tx pad */
+static struct clk ras_tx125_clk = {
+ .pclk = &gmii_txclk125_pad,
+ .en_reg = RAS_CLK_ENB,
+ .en_reg_bit = C125_CLK_ENB,
+ .recalc = &follow_parent,
+};
+
+/* 30 MHz clock generated by USB PHy Pll */
+static struct clk ras_30Mhz_clk = {
+ .rate = 30000000,
+ .en_reg = RAS_CLK_ENB,
+ .en_reg_bit = C30_CLK_ENB,
+};
+
+/* 48 MHz clock generated by USB PHy Pll */
+static struct clk ras_48Mhz_clk = {
+ .pclk = &pll5_clk,
+ .en_reg = RAS_CLK_ENB,
+ .en_reg_bit = C48_CLK_ENB,
+ .recalc = &follow_parent,
+};
+
+/* osc3 generated clock */
+static struct clk ras_osc3_clk = {
+ .pclk = &ahb_clk,
+ .en_reg = RAS_CLK_ENB,
+ .en_reg_bit = OSC3_CLK_ENB,
+ .recalc = &follow_parent,
+};
+
+/* osc2 generated clock */
+static struct clk ras_osc2_clk = {
+ .pclk = &osc2_32k_clk,
+ .en_reg = RAS_CLK_ENB,
+ .en_reg_bit = OSC2_CLK_ENB,
+ .recalc = &follow_parent,
+};
+
+/* osc1 generated clock */
+static struct clk ras_osc1_clk = {
+ .pclk = &osc1_24m_clk,
+ .en_reg = RAS_CLK_ENB,
+ .en_reg_bit = OSC1_CLK_ENB,
+ .recalc = &follow_parent,
+};
+
+/* apb generated clock */
+static struct clk ras_pclk_clk = {
+ .pclk = &apb_clk,
+ .en_reg = RAS_CLK_ENB,
+ .en_reg_bit = PCLK_CLK_ENB,
+ .recalc = &follow_parent,
+};
+
+/* ahb generated clock */
+static struct clk ras_aclk_clk = {
+ .pclk = &ahb_clk,
+ .en_reg = RAS_CLK_ENB,
+ .en_reg_bit = ACLK_CLK_ENB,
+ .recalc = &follow_parent,
+};
+
+/* External pad 50 MHz clock for phy operation */
+static struct clk ras_tx50_clk = {
+ .flags = ALWAYS_ENABLED,
+ .rate = 50000000,
+};
+
/* spear1300 machine specific clock structures */
#ifdef CONFIG_MACH_SPEAR1300
@@ -859,10 +946,92 @@ static struct clk can1_clk = {
.pclk = &apb_clk,
.recalc = &follow_parent,
};
+
+/* gmac clocks :RAS part*/
+static struct clk gmac_ras1_clk = {
+ .flags = ALWAYS_ENABLED,
+ .pclk = &ras_aclk_clk,
+ .recalc = &follow_parent,
+};
+
+static struct clk gmac_ras2_clk = {
+ .flags = ALWAYS_ENABLED,
+ .pclk = &ras_aclk_clk,
+ .recalc = &follow_parent,
+};
+
+static struct clk gmac_ras3_clk = {
+ .flags = ALWAYS_ENABLED,
+ .pclk = &ras_aclk_clk,
+ .recalc = &follow_parent,
+};
+
+static struct clk gmac_ras4_clk = {
+ .flags = ALWAYS_ENABLED,
+ .pclk = &ras_aclk_clk,
+ .recalc = &follow_parent,
+};
+
+/* phy clock parent select */
+static struct pclk_info phy_pclk_info[] = {
+ {
+ .pclk = &ras_pll2_clk,
+ .pclk_val = 0x8,
+ }, {
+ .pclk = &ras_tx125_clk,
+ .pclk_val = 0x4,
+ }, {
+ .pclk = &ras_tx50_clk,
+ .pclk_val = 0x0,
+ },
+};
+
+static struct pclk_sel phy_pclk_sel = {
+ .pclk_info = phy_pclk_info,
+ .pclk_count = ARRAY_SIZE(phy_pclk_info),
+ .pclk_sel_reg = (unsigned int *)(IO_ADDRESS(SPEAR1310_RAS_CTRL_REG1)),
+ .pclk_sel_mask = SPEAR1310_PHY_CLK_MASK,
+};
+
+/* Phy 1 Clock */
+struct clk gmac_phy1_clk = {
+ .flags = ALWAYS_ENABLED,
+ .pclk_sel = &phy_pclk_sel,
+ .pclk_sel_shift = SPEAR1310_PHY_CLK_SHIFT,
+ .recalc = &follow_parent,
+};
+
+/* Phy 2 Clock */
+static struct clk gmac_phy2_clk = {
+ .flags = ALWAYS_ENABLED,
+ .pclk_sel = &phy_pclk_sel,
+ .pclk_sel_shift = SPEAR1310_PHY_CLK_SHIFT,
+ .recalc = &follow_parent,
+};
+
+/* Phy 3 Clock */
+static struct clk gmac_phy3_clk = {
+ .flags = ALWAYS_ENABLED,
+ .pclk_sel = &phy_pclk_sel,
+ .pclk_sel_shift = SPEAR1310_PHY_CLK_SHIFT,
+ .recalc = &follow_parent,
+};
+
+/* Phy 4 Clock */
+static struct clk gmac_phy4_clk = {
+ .flags = ALWAYS_ENABLED,
+ .pclk_sel = &phy_pclk_sel,
+ .pclk_sel_shift = SPEAR1310_PHY_CLK_SHIFT,
+ .recalc = &follow_parent,
+};
+
#endif
+static struct clk dummy_apb_pclk;
+
/* array of all spear 13xx clock lookups */
static struct clk_lookup spear_clk_lookups[] = {
+ { .con_id = "apb_pclk", .clk = &dummy_apb_pclk},
/* root clks */
{.con_id = "osc1_24m_clk", .clk = &osc1_24m_clk},
{.con_id = "osc2_32k_clk", .clk = &osc2_32k_clk},
@@ -896,7 +1065,20 @@ static struct clk_lookup spear_clk_lookups[] = {
{.con_id = "cfxd_synth_clk", .clk = &cfxd_synth_clk},
{.con_id = "gmac_phy_input_clk", .clk = &gmac_phy_input_clk},
{.con_id = "gmac_phy_synth_clk", .clk = &gmac_phy_synth_clk},
- {.con_id = "gmac_phy_clk", .clk = &gmac_phy_clk},
+ {.dev_id = "stmmacphy.0", .clk = &gmac_phy0_clk},
+
+ /* RAS clocks */
+ {.con_id = "ras_pll3_clk", .clk = &ras_pll3_clk},
+ {.con_id = "ras_pll2_clk", .clk = &ras_pll2_clk},
+ {.con_id = "ras_tx125_clk", .clk = &ras_tx125_clk},
+ {.con_id = "ras_30Mhz_clk", .clk = &ras_30Mhz_clk},
+ {.con_id = "ras_48Mhz_clk", .clk = &ras_48Mhz_clk},
+ {.con_id = "ras_osc3_clk", .clk = &ras_osc3_clk},
+ {.con_id = "ras_osc2_clk", .clk = &ras_osc2_clk},
+ {.con_id = "ras_osc1_clk", .clk = &ras_osc1_clk},
+ {.con_id = "ras_pclk_clk", .clk = &ras_pclk_clk},
+ {.con_id = "ras_aclk_clk", .clk = &ras_aclk_clk},
+ {.con_id = "ras_tx50_clk", .clk = &ras_tx50_clk},
/* clocks having multiple parent source from above clocks */
{.dev_id = "clcd", .clk = &clcd_clk},
@@ -910,12 +1092,12 @@ static struct clk_lookup spear_clk_lookups[] = {
{.dev_id = "smi", .clk = &smi_clk},
{.con_id = "usbh.0_clk", .clk = &uhci0_clk},
{.con_id = "usbh.1_clk", .clk = &uhci1_clk},
- {.dev_id = "usbd", .clk = &usbd_clk},
+ {.dev_id = "designware_udc", .clk = &usbd_clk},
{.dev_id = "i2c_designware.0", .clk = &i2c_clk},
{.dev_id = "dma0", .clk = &dma0_clk},
{.dev_id = "dma1", .clk = &dma1_clk},
{.dev_id = "jpeg", .clk = &jpeg_clk},
- {.dev_id = "gmac", .clk = &gmac_clk},
+ {.dev_id = "stmmaceth.0", .clk = &gmac0_clk},
{.dev_id = "c3", .clk = &c3_clk},
{.dev_id = "pcie0", .clk = &pcie0_clk},
{.dev_id = "pcie1", .clk = &pcie1_clk},
@@ -944,6 +1126,14 @@ static struct clk_lookup spear_clk_lookups[] = {
#ifdef CONFIG_MACH_SPEAR1310
{.dev_id = "c_can_platform.0", .clk = &can0_clk},
{.dev_id = "c_can_platform.1", .clk = &can1_clk},
+ {.dev_id = "stmmaceth.1", .clk = &gmac_ras1_clk},
+ {.dev_id = "stmmaceth.2", .clk = &gmac_ras2_clk},
+ {.dev_id = "stmmaceth.3", .clk = &gmac_ras3_clk},
+ {.dev_id = "stmmaceth.4", .clk = &gmac_ras4_clk},
+ {.dev_id = "stmmacphy.1", .clk = &gmac_phy1_clk},
+ {.dev_id = "stmmacphy.2", .clk = &gmac_phy2_clk},
+ {.dev_id = "stmmacphy.3", .clk = &gmac_phy3_clk},
+ {.dev_id = "stmmacphy.4", .clk = &gmac_phy4_clk},
#endif
};
diff --git a/arch/arm/mach-spear13xx/include/mach/misc_regs.h b/arch/arm/mach-spear13xx/include/mach/misc_regs.h
index 3cfd4fc..ea6096f 100644
--- a/arch/arm/mach-spear13xx/include/mach/misc_regs.h
+++ b/arch/arm/mach-spear13xx/include/mach/misc_regs.h
@@ -191,6 +191,25 @@
#define JPEG_SOF_RST 28
#define PERIP2_SW_RST ((unsigned int *)(MISC_BASE + 0x280))
#define RAS_CLK_ENB ((unsigned int *)(MISC_BASE + 0x284))
+ /* RAS_CLK_ENB register masks */
+ #define ACLK_CLK_ENB 0
+ #define PCLK_CLK_ENB 1
+ #define OSC1_CLK_ENB 2
+ #define OSC2_CLK_ENB 3
+ #define OSC3_CLK_ENB 4
+ #define C48_CLK_ENB 5
+ #define C30_CLK_ENB 6
+ #define C125_CLK_ENB 7
+ #define PLL2_CLK_ENB 8
+ #define PLL3_CLK_ENB 9
+ #define PCLK0_CLK_ENB 10
+ #define PCLK1_CLK_ENB 11
+ #define PCLK2_CLK_ENB 12
+ #define PCLK3_CLK_ENB 13
+ #define SYN0_CLK_ENB 14
+ #define SYN1_CLK_ENB 15
+ #define SYN2_CLK_ENB 16
+ #define SYN3_CLK_ENB 17
#define RAS_SW_RST ((unsigned int *)(MISC_BASE + 0x288))
#define PLL1_SYNT ((unsigned int *)(MISC_BASE + 0x28c))
#define I2S_CLK_CFG ((unsigned int *)(MISC_BASE + 0x290))
diff --git a/arch/arm/mach-spear3xx/clock.c b/arch/arm/mach-spear3xx/clock.c
index 37faef1..12d8c46 100644
--- a/arch/arm/mach-spear3xx/clock.c
+++ b/arch/arm/mach-spear3xx/clock.c
@@ -713,7 +713,7 @@ static struct clk pwm_clk = {
/* array of all spear 3xx clock lookups */
static struct clk_lookup spear_clk_lookups[] = {
- { .con_id = "apb_pclk", .clk = &dummy_apb_pclk},
+ { .con_id = "apb_pclk", .clk = &dummy_apb_pclk},
/* root clks */
{ .con_id = "osc_32k_clk", .clk = &osc_32k_clk},
{ .con_id = "osc_24m_clk", .clk = &osc_24m_clk},
@@ -738,8 +738,8 @@ static struct clk_lookup spear_clk_lookups[] = {
{ .dev_id = "gpt1", .clk = &gpt1_clk},
{ .dev_id = "gpt2", .clk = &gpt2_clk},
/* clock derived from pll3 clk */
+ { .dev_id = "designware_udc", .clk = &usbd_clk},
{ .con_id = "usbh_clk", .clk = &usbh_clk},
- { .dev_id = "usbd", .clk = &usbd_clk},
/* clock derived from ahb clk */
{ .con_id = "ahbmult2_clk", .clk = &ahbmult2_clk},
{ .con_id = "ddr_clk", .clk = &ddr_clk},
@@ -755,7 +755,7 @@ static struct clk_lookup spear_clk_lookups[] = {
{ .dev_id = "ssp-pl022.0", .clk = &ssp0_clk},
{ .dev_id = "gpio", .clk = &gpio_clk},
#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320)
- { .dev_id = "physmap-flash", .clk = &emi_clk},
+ { .con_id = "emi", .clk = &emi_clk},
#endif
#if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR310) || \
defined(CONFIG_MACH_SPEAR320)
diff --git a/arch/arm/mach-spear6xx/clock.c b/arch/arm/mach-spear6xx/clock.c
index 0a38e16..f304102 100644
--- a/arch/arm/mach-spear6xx/clock.c
+++ b/arch/arm/mach-spear6xx/clock.c
@@ -685,7 +685,7 @@ static struct clk dummy_apb_pclk;
/* array of all spear 6xx clock lookups */
static struct clk_lookup spear_clk_lookups[] = {
- { .con_id = "apb_pclk", .clk = &dummy_apb_pclk},
+ { .con_id = "apb_pclk", .clk = &dummy_apb_pclk},
/* root clks */
{ .con_id = "osc_32k_clk", .clk = &osc_32k_clk},
{ .con_id = "osc_30m_clk", .clk = &osc_30m_clk},
@@ -714,9 +714,9 @@ static struct clk_lookup spear_clk_lookups[] = {
{ .dev_id = "gpt2", .clk = &gpt2_clk},
{ .dev_id = "gpt3", .clk = &gpt3_clk},
/* clock derived from pll3 clk */
+ { .dev_id = "designware_udc", .clk = &usbd_clk},
{ .con_id = "usbh.0_clk", .clk = &usbh0_clk},
{ .con_id = "usbh.1_clk", .clk = &usbh1_clk},
- { .dev_id = "usbd", .clk = &usbd_clk},
/* clock derived from ahb clk */
{ .con_id = "ahbmult2_clk", .clk = &ahbmult2_clk},
{ .con_id = "ddr_clk", .clk = &ddr_clk},
--
1.7.2.2
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