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-rw-r--r--drivers/clk/tegra/Makefile1
-rw-r--r--drivers/clk/tegra/clk-id.h2
-rw-r--r--drivers/clk/tegra/clk-periph.c14
-rw-r--r--drivers/clk/tegra/clk-pll.c18
-rw-r--r--drivers/clk/tegra/clk-tegra-periph.c18
-rw-r--r--drivers/clk/tegra/clk-tegra114.c10
-rw-r--r--drivers/clk/tegra/clk-tegra124.c168
-rw-r--r--drivers/clk/tegra/clk.c7
8 files changed, 179 insertions, 59 deletions
diff --git a/drivers/clk/tegra/Makefile b/drivers/clk/tegra/Makefile
index f7dfb72884a..edb8358fa6c 100644
--- a/drivers/clk/tegra/Makefile
+++ b/drivers/clk/tegra/Makefile
@@ -15,3 +15,4 @@ obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += clk-tegra20.o
obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += clk-tegra30.o
obj-$(CONFIG_ARCH_TEGRA_114_SOC) += clk-tegra114.o
obj-$(CONFIG_ARCH_TEGRA_124_SOC) += clk-tegra124.o
+obj-$(CONFIG_ARCH_TEGRA_132_SOC) += clk-tegra124.o
diff --git a/drivers/clk/tegra/clk-id.h b/drivers/clk/tegra/clk-id.h
index 0011d547a9f..60738cc954c 100644
--- a/drivers/clk/tegra/clk-id.h
+++ b/drivers/clk/tegra/clk-id.h
@@ -64,10 +64,8 @@ enum clk_id {
tegra_clk_disp2,
tegra_clk_dp2,
tegra_clk_dpaux,
- tegra_clk_dsia,
tegra_clk_dsialp,
tegra_clk_dsia_mux,
- tegra_clk_dsib,
tegra_clk_dsiblp,
tegra_clk_dsib_mux,
tegra_clk_dtv,
diff --git a/drivers/clk/tegra/clk-periph.c b/drivers/clk/tegra/clk-periph.c
index 9e899c18af8..d84ae49d0e0 100644
--- a/drivers/clk/tegra/clk-periph.c
+++ b/drivers/clk/tegra/clk-periph.c
@@ -28,7 +28,7 @@ static u8 clk_periph_get_parent(struct clk_hw *hw)
const struct clk_ops *mux_ops = periph->mux_ops;
struct clk_hw *mux_hw = &periph->mux.hw;
- mux_hw->clk = hw->clk;
+ __clk_hw_set_clk(mux_hw, hw);
return mux_ops->get_parent(mux_hw);
}
@@ -39,7 +39,7 @@ static int clk_periph_set_parent(struct clk_hw *hw, u8 index)
const struct clk_ops *mux_ops = periph->mux_ops;
struct clk_hw *mux_hw = &periph->mux.hw;
- mux_hw->clk = hw->clk;
+ __clk_hw_set_clk(mux_hw, hw);
return mux_ops->set_parent(mux_hw, index);
}
@@ -51,7 +51,7 @@ static unsigned long clk_periph_recalc_rate(struct clk_hw *hw,
const struct clk_ops *div_ops = periph->div_ops;
struct clk_hw *div_hw = &periph->divider.hw;
- div_hw->clk = hw->clk;
+ __clk_hw_set_clk(div_hw, hw);
return div_ops->recalc_rate(div_hw, parent_rate);
}
@@ -63,7 +63,7 @@ static long clk_periph_round_rate(struct clk_hw *hw, unsigned long rate,
const struct clk_ops *div_ops = periph->div_ops;
struct clk_hw *div_hw = &periph->divider.hw;
- div_hw->clk = hw->clk;
+ __clk_hw_set_clk(div_hw, hw);
return div_ops->round_rate(div_hw, rate, prate);
}
@@ -75,7 +75,7 @@ static int clk_periph_set_rate(struct clk_hw *hw, unsigned long rate,
const struct clk_ops *div_ops = periph->div_ops;
struct clk_hw *div_hw = &periph->divider.hw;
- div_hw->clk = hw->clk;
+ __clk_hw_set_clk(div_hw, hw);
return div_ops->set_rate(div_hw, rate, parent_rate);
}
@@ -86,7 +86,7 @@ static int clk_periph_is_enabled(struct clk_hw *hw)
const struct clk_ops *gate_ops = periph->gate_ops;
struct clk_hw *gate_hw = &periph->gate.hw;
- gate_hw->clk = hw->clk;
+ __clk_hw_set_clk(gate_hw, hw);
return gate_ops->is_enabled(gate_hw);
}
@@ -97,7 +97,7 @@ static int clk_periph_enable(struct clk_hw *hw)
const struct clk_ops *gate_ops = periph->gate_ops;
struct clk_hw *gate_hw = &periph->gate.hw;
- gate_hw->clk = hw->clk;
+ __clk_hw_set_clk(gate_hw, hw);
return gate_ops->enable(gate_hw);
}
diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index c7c6d8fb32f..bfef9abdf23 100644
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -816,7 +816,9 @@ const struct clk_ops tegra_clk_plle_ops = {
.enable = clk_plle_enable,
};
-#if defined(CONFIG_ARCH_TEGRA_114_SOC) || defined(CONFIG_ARCH_TEGRA_124_SOC)
+#if defined(CONFIG_ARCH_TEGRA_114_SOC) || \
+ defined(CONFIG_ARCH_TEGRA_124_SOC) || \
+ defined(CONFIG_ARCH_TEGRA_132_SOC)
static int _pll_fixed_mdiv(struct tegra_clk_pll_params *pll_params,
unsigned long parent_rate)
@@ -1505,7 +1507,9 @@ struct clk *tegra_clk_register_plle(const char *name, const char *parent_name,
return clk;
}
-#if defined(CONFIG_ARCH_TEGRA_114_SOC) || defined(CONFIG_ARCH_TEGRA_124_SOC)
+#if defined(CONFIG_ARCH_TEGRA_114_SOC) || \
+ defined(CONFIG_ARCH_TEGRA_124_SOC) || \
+ defined(CONFIG_ARCH_TEGRA_132_SOC)
static const struct clk_ops tegra_clk_pllxc_ops = {
.is_enabled = clk_pll_is_enabled,
.enable = clk_pll_iddq_enable,
@@ -1565,7 +1569,7 @@ struct clk *tegra_clk_register_pllxc(const char *name, const char *parent_name,
parent = __clk_lookup(parent_name);
if (!parent) {
WARN(1, "parent clk %s of %s must be registered first\n",
- name, parent_name);
+ parent_name, name);
return ERR_PTR(-EINVAL);
}
@@ -1665,7 +1669,7 @@ struct clk *tegra_clk_register_pllm(const char *name, const char *parent_name,
parent = __clk_lookup(parent_name);
if (!parent) {
WARN(1, "parent clk %s of %s must be registered first\n",
- name, parent_name);
+ parent_name, name);
return ERR_PTR(-EINVAL);
}
@@ -1706,7 +1710,7 @@ struct clk *tegra_clk_register_pllc(const char *name, const char *parent_name,
parent = __clk_lookup(parent_name);
if (!parent) {
WARN(1, "parent clk %s of %s must be registered first\n",
- name, parent_name);
+ parent_name, name);
return ERR_PTR(-EINVAL);
}
@@ -1802,7 +1806,7 @@ struct clk *tegra_clk_register_plle_tegra114(const char *name,
}
#endif
-#ifdef CONFIG_ARCH_TEGRA_124_SOC
+#if defined(CONFIG_ARCH_TEGRA_124_SOC) || defined(CONFIG_ARCH_TEGRA_132_SOC)
static const struct clk_ops tegra_clk_pllss_ops = {
.is_enabled = clk_pll_is_enabled,
.enable = clk_pll_iddq_enable,
@@ -1830,7 +1834,7 @@ struct clk *tegra_clk_register_pllss(const char *name, const char *parent_name,
parent = __clk_lookup(parent_name);
if (!parent) {
WARN(1, "parent clk %s of %s must be registered first\n",
- name, parent_name);
+ parent_name, name);
return ERR_PTR(-EINVAL);
}
diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c
index 37f32c49674..cef0727b9ee 100644
--- a/drivers/clk/tegra/clk-tegra-periph.c
+++ b/drivers/clk/tegra/clk-tegra-periph.c
@@ -434,10 +434,10 @@ static struct tegra_periph_init_data periph_clks[] = {
MUX("hda", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_HDA, 125, TEGRA_PERIPH_ON_APB, tegra_clk_hda),
MUX("hda2codec_2x", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_HDA2CODEC_2X, 111, TEGRA_PERIPH_ON_APB, tegra_clk_hda2codec_2x),
MUX("vfir", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_VFIR, 7, TEGRA_PERIPH_ON_APB, tegra_clk_vfir),
- MUX("sdmmc1", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_SDMMC1, 14, 0, tegra_clk_sdmmc1),
- MUX("sdmmc2", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_SDMMC2, 9, 0, tegra_clk_sdmmc2),
- MUX("sdmmc3", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_SDMMC3, 69, 0, tegra_clk_sdmmc3),
- MUX("sdmmc4", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_SDMMC4, 15, 0, tegra_clk_sdmmc4),
+ MUX("sdmmc1", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_SDMMC1, 14, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc1),
+ MUX("sdmmc2", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_SDMMC2, 9, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc2),
+ MUX("sdmmc3", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_SDMMC3, 69, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc3),
+ MUX("sdmmc4", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_SDMMC4, 15, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc4),
MUX("la", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_LA, 76, TEGRA_PERIPH_ON_APB, tegra_clk_la),
MUX("trace", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_TRACE, 77, TEGRA_PERIPH_ON_APB, tegra_clk_trace),
MUX("owr", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_OWR, 71, TEGRA_PERIPH_ON_APB, tegra_clk_owr),
@@ -470,10 +470,10 @@ static struct tegra_periph_init_data periph_clks[] = {
MUX("adx1", mux_plla_pllc_pllp_clkm, CLK_SOURCE_ADX1, 180, TEGRA_PERIPH_ON_APB, tegra_clk_adx1),
MUX("amx1", mux_plla_pllc_pllp_clkm, CLK_SOURCE_AMX1, 185, TEGRA_PERIPH_ON_APB, tegra_clk_amx1),
MUX("vi_sensor2", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_VI_SENSOR2, 165, TEGRA_PERIPH_NO_RESET, tegra_clk_vi_sensor2),
- MUX8("sdmmc1", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SDMMC1, 14, 0, tegra_clk_sdmmc1_8),
- MUX8("sdmmc2", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SDMMC2, 9, 0, tegra_clk_sdmmc2_8),
- MUX8("sdmmc3", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SDMMC3, 69, 0, tegra_clk_sdmmc3_8),
- MUX8("sdmmc4", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SDMMC4, 15, 0, tegra_clk_sdmmc4_8),
+ MUX8("sdmmc1", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SDMMC1, 14, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc1_8),
+ MUX8("sdmmc2", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SDMMC2, 9, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc2_8),
+ MUX8("sdmmc3", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SDMMC3, 69, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc3_8),
+ MUX8("sdmmc4", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SDMMC4, 15, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc4_8),
MUX8("sbc1", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SBC1, 41, TEGRA_PERIPH_ON_APB, tegra_clk_sbc1_8),
MUX8("sbc2", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SBC2, 44, TEGRA_PERIPH_ON_APB, tegra_clk_sbc2_8),
MUX8("sbc3", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SBC3, 46, TEGRA_PERIPH_ON_APB, tegra_clk_sbc3_8),
@@ -537,8 +537,6 @@ static struct tegra_periph_init_data gate_clks[] = {
GATE("xusb_host", "xusb_host_src", 89, 0, tegra_clk_xusb_host, 0),
GATE("xusb_ss", "xusb_ss_src", 156, 0, tegra_clk_xusb_ss, 0),
GATE("xusb_dev", "xusb_dev_src", 95, 0, tegra_clk_xusb_dev, 0),
- GATE("dsia", "dsia_mux", 48, 0, tegra_clk_dsia, 0),
- GATE("dsib", "dsib_mux", 82, 0, tegra_clk_dsib, 0),
GATE("emc", "emc_mux", 57, 0, tegra_clk_emc, CLK_IGNORE_UNUSED),
GATE("sata_cold", "clk_m", 129, TEGRA_PERIPH_ON_APB, tegra_clk_sata_cold, 0),
GATE("ispb", "clk_m", 3, 0, tegra_clk_ispb, 0),
diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c
index 0b03d2cf726..d0766423a5d 100644
--- a/drivers/clk/tegra/clk-tegra114.c
+++ b/drivers/clk/tegra/clk-tegra114.c
@@ -715,7 +715,6 @@ static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = {
[tegra_clk_sbc2_8] = { .dt_id = TEGRA114_CLK_SBC2, .present = true },
[tegra_clk_sbc3_8] = { .dt_id = TEGRA114_CLK_SBC3, .present = true },
[tegra_clk_i2c5] = { .dt_id = TEGRA114_CLK_I2C5, .present = true },
- [tegra_clk_dsia] = { .dt_id = TEGRA114_CLK_DSIA, .present = true },
[tegra_clk_mipi] = { .dt_id = TEGRA114_CLK_MIPI, .present = true },
[tegra_clk_hdmi] = { .dt_id = TEGRA114_CLK_HDMI, .present = true },
[tegra_clk_csi] = { .dt_id = TEGRA114_CLK_CSI, .present = true },
@@ -739,7 +738,6 @@ static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = {
[tegra_clk_dtv] = { .dt_id = TEGRA114_CLK_DTV, .present = true },
[tegra_clk_ndspeed] = { .dt_id = TEGRA114_CLK_NDSPEED, .present = true },
[tegra_clk_i2cslow] = { .dt_id = TEGRA114_CLK_I2CSLOW, .present = true },
- [tegra_clk_dsib] = { .dt_id = TEGRA114_CLK_DSIB, .present = true },
[tegra_clk_tsec] = { .dt_id = TEGRA114_CLK_TSEC, .present = true },
[tegra_clk_xusb_host] = { .dt_id = TEGRA114_CLK_XUSB_HOST, .present = true },
[tegra_clk_msenc] = { .dt_id = TEGRA114_CLK_MSENC, .present = true },
@@ -1224,6 +1222,14 @@ static __init void tegra114_periph_clk_init(void __iomem *clk_base,
clk_base + PLLD2_BASE, 25, 1, 0, &pll_d2_lock);
clks[TEGRA114_CLK_DSIB_MUX] = clk;
+ clk = tegra_clk_register_periph_gate("dsia", "dsia_mux", 0, clk_base,
+ 0, 48, periph_clk_enb_refcnt);
+ clks[TEGRA114_CLK_DSIA] = clk;
+
+ clk = tegra_clk_register_periph_gate("dsib", "dsib_mux", 0, clk_base,
+ 0, 82, periph_clk_enb_refcnt);
+ clks[TEGRA114_CLK_DSIB] = clk;
+
/* emc mux */
clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
ARRAY_SIZE(mux_pllmcp_clkm),
diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c
index f5f9baca7bb..9a893f2fe8e 100644
--- a/drivers/clk/tegra/clk-tegra124.c
+++ b/drivers/clk/tegra/clk-tegra124.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2012, 2013, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2012-2014 NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -28,6 +28,14 @@
#include "clk.h"
#include "clk-id.h"
+/*
+ * TEGRA124_CAR_BANK_COUNT: the number of peripheral clock register
+ * banks present in the Tegra124/132 CAR IP block. The banks are
+ * identified by single letters, e.g.: L, H, U, V, W, X. See
+ * periph_regs[] in drivers/clk/tegra/clk.c
+ */
+#define TEGRA124_CAR_BANK_COUNT 6
+
#define CLK_SOURCE_CSITE 0x1d4
#define CLK_SOURCE_EMC 0x19c
@@ -128,7 +136,6 @@ static unsigned long osc_freq;
static unsigned long pll_ref_freq;
static DEFINE_SPINLOCK(pll_d_lock);
-static DEFINE_SPINLOCK(pll_d2_lock);
static DEFINE_SPINLOCK(pll_e_lock);
static DEFINE_SPINLOCK(pll_re_lock);
static DEFINE_SPINLOCK(pll_u_lock);
@@ -145,11 +152,6 @@ static unsigned long tegra124_input_freq[] = {
[12] = 260000000,
};
-static const char *mux_plld_out0_plld2_out0[] = {
- "pll_d_out0", "pll_d2_out0",
-};
-#define mux_plld_out0_plld2_out0_idx NULL
-
static const char *mux_pllmcp_clkm[] = {
"pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_c2", "pll_c3",
};
@@ -783,7 +785,6 @@ static struct tegra_clk tegra124_clks[tegra_clk_max] __initdata = {
[tegra_clk_sbc2] = { .dt_id = TEGRA124_CLK_SBC2, .present = true },
[tegra_clk_sbc3] = { .dt_id = TEGRA124_CLK_SBC3, .present = true },
[tegra_clk_i2c5] = { .dt_id = TEGRA124_CLK_I2C5, .present = true },
- [tegra_clk_dsia] = { .dt_id = TEGRA124_CLK_DSIA, .present = true },
[tegra_clk_mipi] = { .dt_id = TEGRA124_CLK_MIPI, .present = true },
[tegra_clk_hdmi] = { .dt_id = TEGRA124_CLK_HDMI, .present = true },
[tegra_clk_csi] = { .dt_id = TEGRA124_CLK_CSI, .present = true },
@@ -809,7 +810,6 @@ static struct tegra_clk tegra124_clks[tegra_clk_max] __initdata = {
[tegra_clk_soc_therm] = { .dt_id = TEGRA124_CLK_SOC_THERM, .present = true },
[tegra_clk_dtv] = { .dt_id = TEGRA124_CLK_DTV, .present = true },
[tegra_clk_i2cslow] = { .dt_id = TEGRA124_CLK_I2CSLOW, .present = true },
- [tegra_clk_dsib] = { .dt_id = TEGRA124_CLK_DSIB, .present = true },
[tegra_clk_tsec] = { .dt_id = TEGRA124_CLK_TSEC, .present = true },
[tegra_clk_xusb_host] = { .dt_id = TEGRA124_CLK_XUSB_HOST, .present = true },
[tegra_clk_msenc] = { .dt_id = TEGRA124_CLK_MSENC, .present = true },
@@ -949,8 +949,6 @@ static struct tegra_clk tegra124_clks[tegra_clk_max] __initdata = {
[tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA124_CLK_CLK_OUT_1_MUX, .present = true },
[tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA124_CLK_CLK_OUT_2_MUX, .present = true },
[tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA124_CLK_CLK_OUT_3_MUX, .present = true },
- [tegra_clk_dsia_mux] = { .dt_id = TEGRA124_CLK_DSIA_MUX, .present = true },
- [tegra_clk_dsib_mux] = { .dt_id = TEGRA124_CLK_DSIB_MUX, .present = true },
};
static struct tegra_devclk devclks[] __initdata = {
@@ -1112,17 +1110,17 @@ static __init void tegra124_periph_clk_init(void __iomem *clk_base,
1, 2);
clks[TEGRA124_CLK_XUSB_SS_DIV2] = clk;
- /* dsia mux */
- clk = clk_register_mux(NULL, "dsia_mux", mux_plld_out0_plld2_out0,
- ARRAY_SIZE(mux_plld_out0_plld2_out0), 0,
- clk_base + PLLD_BASE, 25, 1, 0, &pll_d_lock);
- clks[TEGRA124_CLK_DSIA_MUX] = clk;
+ clk = clk_register_gate(NULL, "plld_dsi", "plld_out0", 0,
+ clk_base + PLLD_MISC, 30, 0, &pll_d_lock);
+ clks[TEGRA124_CLK_PLLD_DSI] = clk;
+
+ clk = tegra_clk_register_periph_gate("dsia", "plld_dsi", 0, clk_base,
+ 0, 48, periph_clk_enb_refcnt);
+ clks[TEGRA124_CLK_DSIA] = clk;
- /* dsib mux */
- clk = clk_register_mux(NULL, "dsib_mux", mux_plld_out0_plld2_out0,
- ARRAY_SIZE(mux_plld_out0_plld2_out0), 0,
- clk_base + PLLD2_BASE, 25, 1, 0, &pll_d2_lock);
- clks[TEGRA124_CLK_DSIB_MUX] = clk;
+ clk = tegra_clk_register_periph_gate("dsib", "plld_dsi", 0, clk_base,
+ 0, 82, periph_clk_enb_refcnt);
+ clks[TEGRA124_CLK_DSIB] = clk;
/* emc mux */
clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
@@ -1351,7 +1349,7 @@ static const struct of_device_id pmc_match[] __initconst = {
{},
};
-static struct tegra_clk_init_table init_table[] __initdata = {
+static struct tegra_clk_init_table common_init_table[] __initdata = {
{TEGRA124_CLK_UARTA, TEGRA124_CLK_PLL_P, 408000000, 0},
{TEGRA124_CLK_UARTB, TEGRA124_CLK_PLL_P, 408000000, 0},
{TEGRA124_CLK_UARTC, TEGRA124_CLK_PLL_P, 408000000, 0},
@@ -1368,6 +1366,8 @@ static struct tegra_clk_init_table init_table[] __initdata = {
{TEGRA124_CLK_I2S4, TEGRA124_CLK_PLL_A_OUT0, 11289600, 0},
{TEGRA124_CLK_VDE, TEGRA124_CLK_PLL_P, 0, 0},
{TEGRA124_CLK_HOST1X, TEGRA124_CLK_PLL_P, 136000000, 1},
+ {TEGRA124_CLK_DSIALP, TEGRA124_CLK_PLL_P, 68000000, 0},
+ {TEGRA124_CLK_DSIBLP, TEGRA124_CLK_PLL_P, 68000000, 0},
{TEGRA124_CLK_SCLK, TEGRA124_CLK_PLL_P_OUT2, 102000000, 1},
{TEGRA124_CLK_DFLL_SOC, TEGRA124_CLK_PLL_P, 51000000, 1},
{TEGRA124_CLK_DFLL_REF, TEGRA124_CLK_PLL_P, 51000000, 1},
@@ -1385,27 +1385,73 @@ static struct tegra_clk_init_table init_table[] __initdata = {
{TEGRA124_CLK_SATA, TEGRA124_CLK_PLL_P, 104000000, 0},
{TEGRA124_CLK_SATA_OOB, TEGRA124_CLK_PLL_P, 204000000, 0},
{TEGRA124_CLK_EMC, TEGRA124_CLK_CLK_MAX, 0, 1},
- {TEGRA124_CLK_CCLK_G, TEGRA124_CLK_CLK_MAX, 0, 1},
{TEGRA124_CLK_MSELECT, TEGRA124_CLK_CLK_MAX, 0, 1},
{TEGRA124_CLK_CSITE, TEGRA124_CLK_CLK_MAX, 0, 1},
{TEGRA124_CLK_TSENSOR, TEGRA124_CLK_CLK_M, 400000, 0},
+ /* This MUST be the last entry. */
+ {TEGRA124_CLK_CLK_MAX, TEGRA124_CLK_CLK_MAX, 0, 0},
+};
+
+static struct tegra_clk_init_table tegra124_init_table[] __initdata = {
{TEGRA124_CLK_SOC_THERM, TEGRA124_CLK_PLL_P, 51000000, 0},
+ {TEGRA124_CLK_CCLK_G, TEGRA124_CLK_CLK_MAX, 0, 1},
+ /* This MUST be the last entry. */
+ {TEGRA124_CLK_CLK_MAX, TEGRA124_CLK_CLK_MAX, 0, 0},
+};
+
+/* Tegra132 requires the SOC_THERM clock to remain active */
+static struct tegra_clk_init_table tegra132_init_table[] __initdata = {
+ {TEGRA124_CLK_SOC_THERM, TEGRA124_CLK_PLL_P, 51000000, 1},
/* This MUST be the last entry. */
{TEGRA124_CLK_CLK_MAX, TEGRA124_CLK_CLK_MAX, 0, 0},
};
+/**
+ * tegra124_clock_apply_init_table - initialize clocks on Tegra124 SoCs
+ *
+ * Program an initial clock rate and enable or disable clocks needed
+ * by the rest of the kernel, for Tegra124 SoCs. It is intended to be
+ * called by assigning a pointer to it to tegra_clk_apply_init_table -
+ * this will be called as an arch_initcall. No return value.
+ */
static void __init tegra124_clock_apply_init_table(void)
{
- tegra_init_from_table(init_table, clks, TEGRA124_CLK_CLK_MAX);
+ tegra_init_from_table(common_init_table, clks, TEGRA124_CLK_CLK_MAX);
+ tegra_init_from_table(tegra124_init_table, clks, TEGRA124_CLK_CLK_MAX);
}
-static void __init tegra124_clock_init(struct device_node *np)
+/**
+ * tegra132_clock_apply_init_table - initialize clocks on Tegra132 SoCs
+ *
+ * Program an initial clock rate and enable or disable clocks needed
+ * by the rest of the kernel, for Tegra132 SoCs. It is intended to be
+ * called by assigning a pointer to it to tegra_clk_apply_init_table -
+ * this will be called as an arch_initcall. No return value.
+ */
+static void __init tegra132_clock_apply_init_table(void)
+{
+ tegra_init_from_table(common_init_table, clks, TEGRA124_CLK_CLK_MAX);
+ tegra_init_from_table(tegra132_init_table, clks, TEGRA124_CLK_CLK_MAX);
+}
+
+/**
+ * tegra124_132_clock_init_pre - clock initialization preamble for T124/T132
+ * @np: struct device_node * of the DT node for the SoC CAR IP block
+ *
+ * Register most of the clocks controlled by the CAR IP block, along
+ * with a few clocks controlled by the PMC IP block. Everything in
+ * this function should be common to Tegra124 and Tegra132. XXX The
+ * PMC clock initialization should probably be moved to PMC-specific
+ * driver code. No return value.
+ */
+static void __init tegra124_132_clock_init_pre(struct device_node *np)
{
struct device_node *node;
+ u32 plld_base;
clk_base = of_iomap(np, 0);
if (!clk_base) {
- pr_err("ioremap tegra124 CAR failed\n");
+ pr_err("ioremap tegra124/tegra132 CAR failed\n");
return;
}
@@ -1423,7 +1469,8 @@ static void __init tegra124_clock_init(struct device_node *np)
return;
}
- clks = tegra_clk_init(clk_base, TEGRA124_CLK_CLK_MAX, 6);
+ clks = tegra_clk_init(clk_base, TEGRA124_CLK_CLK_MAX,
+ TEGRA124_CAR_BANK_COUNT);
if (!clks)
return;
@@ -1437,13 +1484,76 @@ static void __init tegra124_clock_init(struct device_node *np)
tegra_audio_clk_init(clk_base, pmc_base, tegra124_clks, &pll_a_params);
tegra_pmc_clk_init(pmc_base, tegra124_clks);
+ /* For Tegra124 & Tegra132, PLLD is the only source for DSIA & DSIB */
+ plld_base = clk_readl(clk_base + PLLD_BASE);
+ plld_base &= ~BIT(25);
+ clk_writel(plld_base, clk_base + PLLD_BASE);
+}
+
+/**
+ * tegra124_132_clock_init_post - clock initialization postamble for T124/T132
+ * @np: struct device_node * of the DT node for the SoC CAR IP block
+ *
+ * Register most of the along with a few clocks controlled by the PMC
+ * IP block. Everything in this function should be common to Tegra124
+ * and Tegra132. This function must be called after
+ * tegra124_132_clock_init_pre(), otherwise clk_base and pmc_base will
+ * not be set. No return value.
+ */
+static void __init tegra124_132_clock_init_post(struct device_node *np)
+{
tegra_super_clk_gen4_init(clk_base, pmc_base, tegra124_clks,
- &pll_x_params);
+ &pll_x_params);
tegra_add_of_provider(np);
tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
+ tegra_cpu_car_ops = &tegra124_cpu_car_ops;
+}
+
+/**
+ * tegra124_clock_init - Tegra124-specific clock initialization
+ * @np: struct device_node * of the DT node for the SoC CAR IP block
+ *
+ * Register most SoC clocks for the Tegra124 system-on-chip. Most of
+ * this code is shared between the Tegra124 and Tegra132 SoCs,
+ * although some of the initial clock settings and CPU clocks differ.
+ * Intended to be called by the OF init code when a DT node with the
+ * "nvidia,tegra124-car" string is encountered, and declared with
+ * CLK_OF_DECLARE. No return value.
+ */
+static void __init tegra124_clock_init(struct device_node *np)
+{
+ tegra124_132_clock_init_pre(np);
tegra_clk_apply_init_table = tegra124_clock_apply_init_table;
+ tegra124_132_clock_init_post(np);
+}
- tegra_cpu_car_ops = &tegra124_cpu_car_ops;
+/**
+ * tegra132_clock_init - Tegra132-specific clock initialization
+ * @np: struct device_node * of the DT node for the SoC CAR IP block
+ *
+ * Register most SoC clocks for the Tegra132 system-on-chip. Most of
+ * this code is shared between the Tegra124 and Tegra132 SoCs,
+ * although some of the initial clock settings and CPU clocks differ.
+ * Intended to be called by the OF init code when a DT node with the
+ * "nvidia,tegra132-car" string is encountered, and declared with
+ * CLK_OF_DECLARE. No return value.
+ */
+static void __init tegra132_clock_init(struct device_node *np)
+{
+ tegra124_132_clock_init_pre(np);
+
+ /*
+ * On Tegra132, these clocks are controlled by the
+ * CLUSTER_clocks IP block, located in the CPU complex
+ */
+ tegra124_clks[tegra_clk_cclk_g].present = false;
+ tegra124_clks[tegra_clk_cclk_lp].present = false;
+ tegra124_clks[tegra_clk_pll_x].present = false;
+ tegra124_clks[tegra_clk_pll_x_out0].present = false;
+
+ tegra_clk_apply_init_table = tegra132_clock_apply_init_table;
+ tegra124_132_clock_init_post(np);
}
CLK_OF_DECLARE(tegra124, "nvidia,tegra124-car", tegra124_clock_init);
+CLK_OF_DECLARE(tegra132, "nvidia,tegra132-car", tegra132_clock_init);
diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c
index 97dc8595c3c..9ddb7547cb4 100644
--- a/drivers/clk/tegra/clk.c
+++ b/drivers/clk/tegra/clk.c
@@ -302,10 +302,13 @@ struct clk ** __init tegra_lookup_dt_id(int clk_id,
tegra_clk_apply_init_table_func tegra_clk_apply_init_table;
-void __init tegra_clocks_apply_init_table(void)
+static int __init tegra_clocks_apply_init_table(void)
{
if (!tegra_clk_apply_init_table)
- return;
+ return 0;
tegra_clk_apply_init_table();
+
+ return 0;
}
+arch_initcall(tegra_clocks_apply_init_table);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-22 05:41:46 +0000