summaryrefslogtreecommitdiff
path: root/drivers/clk
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/Kconfig1
-rw-r--r--drivers/clk/at91/at91sam9x5.c5
-rw-r--r--drivers/clk/at91/sama5d2.c4
-rw-r--r--drivers/clk/at91/sama5d4.c2
-rw-r--r--drivers/clk/clk-versaclock5.c4
-rw-r--r--drivers/clk/clk.c16
-rw-r--r--drivers/clk/imx/clk-frac-pll.c5
-rw-r--r--drivers/clk/imx/clk-imx8qxp-lpcg.c2
-rw-r--r--drivers/clk/mmp/clk-of-mmp2.c4
-rw-r--r--drivers/clk/qcom/Kconfig1
-rw-r--r--drivers/clk/qcom/gcc-sdm845.c14
-rw-r--r--drivers/clk/socfpga/clk-pll-s10.c2
-rw-r--r--drivers/clk/socfpga/clk-s10.c20
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun6i-a31.c4
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-v3s.c2
-rw-r--r--drivers/clk/tegra/Kconfig5
-rw-r--r--drivers/clk/tegra/Makefile2
-rw-r--r--drivers/clk/tegra/clk-dfll.c459
-rw-r--r--drivers/clk/tegra/clk-dfll.h6
-rw-r--r--drivers/clk/tegra/clk-tegra124-dfll-fcpu.c524
-rw-r--r--drivers/clk/tegra/cvb.c12
-rw-r--r--drivers/clk/tegra/cvb.h7
-rw-r--r--drivers/clk/ti/divider.c11
-rw-r--r--drivers/clk/zynqmp/clkc.c4
24 files changed, 979 insertions, 137 deletions
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index e5b2fe80eab4..d2f0bb5ba47e 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -293,7 +293,6 @@ config COMMON_CLK_BD718XX
source "drivers/clk/actions/Kconfig"
source "drivers/clk/bcm/Kconfig"
source "drivers/clk/hisilicon/Kconfig"
-source "drivers/clk/imx/Kconfig"
source "drivers/clk/imgtec/Kconfig"
source "drivers/clk/imx/Kconfig"
source "drivers/clk/ingenic/Kconfig"
diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c
index 2fe225a697df..3487e03d4bc6 100644
--- a/drivers/clk/at91/at91sam9x5.c
+++ b/drivers/clk/at91/at91sam9x5.c
@@ -144,8 +144,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np,
return;
at91sam9x5_pmc = pmc_data_allocate(PMC_MAIN + 1,
- nck(at91sam9x5_systemck),
- nck(at91sam9x35_periphck), 0);
+ nck(at91sam9x5_systemck), 31, 0);
if (!at91sam9x5_pmc)
return;
@@ -210,7 +209,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np,
parent_names[1] = "mainck";
parent_names[2] = "plladivck";
parent_names[3] = "utmick";
- parent_names[4] = "mck";
+ parent_names[4] = "masterck";
for (i = 0; i < 2; i++) {
char name[6];
diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c
index d69ad96fe988..cd0ef7274fdb 100644
--- a/drivers/clk/at91/sama5d2.c
+++ b/drivers/clk/at91/sama5d2.c
@@ -240,7 +240,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np)
parent_names[1] = "mainck";
parent_names[2] = "plladivck";
parent_names[3] = "utmick";
- parent_names[4] = "mck";
+ parent_names[4] = "masterck";
for (i = 0; i < 3; i++) {
char name[6];
@@ -291,7 +291,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np)
parent_names[1] = "mainck";
parent_names[2] = "plladivck";
parent_names[3] = "utmick";
- parent_names[4] = "mck";
+ parent_names[4] = "masterck";
parent_names[5] = "audiopll_pmcck";
for (i = 0; i < ARRAY_SIZE(sama5d2_gck); i++) {
hw = at91_clk_register_generated(regmap, &pmc_pcr_lock,
diff --git a/drivers/clk/at91/sama5d4.c b/drivers/clk/at91/sama5d4.c
index e358be7f6c8d..b645a9d59cdb 100644
--- a/drivers/clk/at91/sama5d4.c
+++ b/drivers/clk/at91/sama5d4.c
@@ -207,7 +207,7 @@ static void __init sama5d4_pmc_setup(struct device_node *np)
parent_names[1] = "mainck";
parent_names[2] = "plladivck";
parent_names[3] = "utmick";
- parent_names[4] = "mck";
+ parent_names[4] = "masterck";
for (i = 0; i < 3; i++) {
char name[6];
diff --git a/drivers/clk/clk-versaclock5.c b/drivers/clk/clk-versaclock5.c
index 5b393e711e94..7d16ab0784ec 100644
--- a/drivers/clk/clk-versaclock5.c
+++ b/drivers/clk/clk-versaclock5.c
@@ -262,8 +262,10 @@ static int vc5_mux_set_parent(struct clk_hw *hw, u8 index)
if (vc5->clk_mux_ins == VC5_MUX_IN_XIN)
src = VC5_PRIM_SRC_SHDN_EN_XTAL;
- if (vc5->clk_mux_ins == VC5_MUX_IN_CLKIN)
+ else if (vc5->clk_mux_ins == VC5_MUX_IN_CLKIN)
src = VC5_PRIM_SRC_SHDN_EN_CLKIN;
+ else /* Invalid; should have been caught by vc5_probe() */
+ return -EINVAL;
}
return regmap_update_bits(vc5->regmap, VC5_PRIM_SRC_SHDN, mask, src);
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 75d13c0eff12..d2477a5058ac 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1513,9 +1513,19 @@ static int clk_fetch_parent_index(struct clk_core *core,
if (!parent)
return -EINVAL;
- for (i = 0; i < core->num_parents; i++)
- if (clk_core_get_parent_by_index(core, i) == parent)
+ for (i = 0; i < core->num_parents; i++) {
+ if (core->parents[i] == parent)
+ return i;
+
+ if (core->parents[i])
+ continue;
+
+ /* Fallback to comparing globally unique names */
+ if (!strcmp(parent->name, core->parent_names[i])) {
+ core->parents[i] = parent;
return i;
+ }
+ }
return -EINVAL;
}
@@ -2779,7 +2789,7 @@ static void clk_dump_one(struct seq_file *s, struct clk_core *c, int level)
seq_printf(s, "\"protect_count\": %d,", c->protect_count);
seq_printf(s, "\"rate\": %lu,", clk_core_get_rate(c));
seq_printf(s, "\"accuracy\": %lu,", clk_core_get_accuracy(c));
- seq_printf(s, "\"phase\": %d", clk_core_get_phase(c));
+ seq_printf(s, "\"phase\": %d,", clk_core_get_phase(c));
seq_printf(s, "\"duty_cycle\": %u",
clk_core_get_scaled_duty_cycle(c, 100000));
}
diff --git a/drivers/clk/imx/clk-frac-pll.c b/drivers/clk/imx/clk-frac-pll.c
index 0026c3969b1e..76b9eb15604e 100644
--- a/drivers/clk/imx/clk-frac-pll.c
+++ b/drivers/clk/imx/clk-frac-pll.c
@@ -155,13 +155,14 @@ static int clk_pll_set_rate(struct clk_hw *hw, unsigned long rate,
{
struct clk_frac_pll *pll = to_clk_frac_pll(hw);
u32 val, divfi, divff;
- u64 temp64 = parent_rate;
+ u64 temp64;
int ret;
parent_rate *= 8;
rate *= 2;
divfi = rate / parent_rate;
- temp64 *= rate - divfi;
+ temp64 = parent_rate * divfi;
+ temp64 = rate - temp64;
temp64 *= PLL_FRAC_DENOM;
do_div(temp64, parent_rate);
divff = temp64;
diff --git a/drivers/clk/imx/clk-imx8qxp-lpcg.c b/drivers/clk/imx/clk-imx8qxp-lpcg.c
index 99c2508de8e5..fb6edf1b8aa2 100644
--- a/drivers/clk/imx/clk-imx8qxp-lpcg.c
+++ b/drivers/clk/imx/clk-imx8qxp-lpcg.c
@@ -169,6 +169,8 @@ static int imx8qxp_lpcg_clk_probe(struct platform_device *pdev)
return -ENODEV;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -EINVAL;
base = devm_ioremap(dev, res->start, resource_size(res));
if (!base)
return -ENOMEM;
diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c
index 61fefc046ec5..d083b860f083 100644
--- a/drivers/clk/mmp/clk-of-mmp2.c
+++ b/drivers/clk/mmp/clk-of-mmp2.c
@@ -53,7 +53,6 @@
#define APMU_DISP1 0x110
#define APMU_CCIC0 0x50
#define APMU_CCIC1 0xf4
-#define APMU_SP 0x68
#define MPMU_UART_PLL 0x14
struct mmp2_clk_unit {
@@ -210,8 +209,6 @@ static struct mmp_clk_mix_config ccic1_mix_config = {
.reg_info = DEFINE_MIX_REG_INFO(4, 16, 2, 6, 32),
};
-static DEFINE_SPINLOCK(sp_lock);
-
static struct mmp_param_mux_clk apmu_mux_clks[] = {
{MMP2_CLK_DISP0_MUX, "disp0_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP0, 6, 2, 0, &disp0_lock},
{MMP2_CLK_DISP1_MUX, "disp1_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP1, 6, 2, 0, &disp1_lock},
@@ -242,7 +239,6 @@ static struct mmp_param_gate_clk apmu_gate_clks[] = {
{MMP2_CLK_CCIC1, "ccic1_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x1b, 0x1b, 0x0, 0, &ccic1_lock},
{MMP2_CLK_CCIC1_PHY, "ccic1_phy_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x24, 0x24, 0x0, 0, &ccic1_lock},
{MMP2_CLK_CCIC1_SPHY, "ccic1_sphy_clk", "ccic1_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x300, 0x300, 0x0, 0, &ccic1_lock},
- {MMP2_CLK_SP, "sp_clk", NULL, CLK_SET_RATE_PARENT, APMU_SP, 0x1b, 0x1b, 0x0, 0, &sp_lock},
};
static void mmp2_axi_periph_clk_init(struct mmp2_clk_unit *pxa_unit)
diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index 1b1ba54e33dd..1c04575c118f 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -215,6 +215,7 @@ config MSM_MMCC_8996
config MSM_GCC_8998
tristate "MSM8998 Global Clock Controller"
+ select QCOM_GDSC
help
Support for the global clock controller on msm8998 devices.
Say Y if you want to use peripheral devices such as UART, SPI,
diff --git a/drivers/clk/qcom/gcc-sdm845.c b/drivers/clk/qcom/gcc-sdm845.c
index c782e62dd98b..58fa5c247af1 100644
--- a/drivers/clk/qcom/gcc-sdm845.c
+++ b/drivers/clk/qcom/gcc-sdm845.c
@@ -115,8 +115,8 @@ static const char * const gcc_parent_names_6[] = {
"core_bi_pll_test_se",
};
-static const char * const gcc_parent_names_7[] = {
- "bi_tcxo",
+static const char * const gcc_parent_names_7_ao[] = {
+ "bi_tcxo_ao",
"gpll0",
"gpll0_out_even",
"core_bi_pll_test_se",
@@ -128,6 +128,12 @@ static const char * const gcc_parent_names_8[] = {
"core_bi_pll_test_se",
};
+static const char * const gcc_parent_names_8_ao[] = {
+ "bi_tcxo_ao",
+ "gpll0",
+ "core_bi_pll_test_se",
+};
+
static const struct parent_map gcc_parent_map_10[] = {
{ P_BI_TCXO, 0 },
{ P_GPLL0_OUT_MAIN, 1 },
@@ -210,7 +216,7 @@ static struct clk_rcg2 gcc_cpuss_ahb_clk_src = {
.freq_tbl = ftbl_gcc_cpuss_ahb_clk_src,
.clkr.hw.init = &(struct clk_init_data){
.name = "gcc_cpuss_ahb_clk_src",
- .parent_names = gcc_parent_names_7,
+ .parent_names = gcc_parent_names_7_ao,
.num_parents = 4,
.ops = &clk_rcg2_ops,
},
@@ -229,7 +235,7 @@ static struct clk_rcg2 gcc_cpuss_rbcpr_clk_src = {
.freq_tbl = ftbl_gcc_cpuss_rbcpr_clk_src,
.clkr.hw.init = &(struct clk_init_data){
.name = "gcc_cpuss_rbcpr_clk_src",
- .parent_names = gcc_parent_names_8,
+ .parent_names = gcc_parent_names_8_ao,
.num_parents = 3,
.ops = &clk_rcg2_ops,
},
diff --git a/drivers/clk/socfpga/clk-pll-s10.c b/drivers/clk/socfpga/clk-pll-s10.c
index 2d5d8b43727e..c4d0b6f6abf2 100644
--- a/drivers/clk/socfpga/clk-pll-s10.c
+++ b/drivers/clk/socfpga/clk-pll-s10.c
@@ -43,7 +43,7 @@ static unsigned long clk_pll_recalc_rate(struct clk_hw *hwclk,
/* Read mdiv and fdiv from the fdbck register */
reg = readl(socfpgaclk->hw.reg + 0x4);
mdiv = (reg & SOCFPGA_PLL_MDIV_MASK) >> SOCFPGA_PLL_MDIV_SHIFT;
- vco_freq = (unsigned long long)parent_rate * (mdiv + 6);
+ vco_freq = (unsigned long long)vco_freq * (mdiv + 6);
return (unsigned long)vco_freq;
}
diff --git a/drivers/clk/socfpga/clk-s10.c b/drivers/clk/socfpga/clk-s10.c
index 5b238fc314ac..8281dfbf38c2 100644
--- a/drivers/clk/socfpga/clk-s10.c
+++ b/drivers/clk/socfpga/clk-s10.c
@@ -12,17 +12,17 @@
#include "stratix10-clk.h"
-static const char * const pll_mux[] = { "osc1", "cb_intosc_hs_div2_clk",
- "f2s_free_clk",};
+static const char * const pll_mux[] = { "osc1", "cb-intosc-hs-div2-clk",
+ "f2s-free-clk",};
static const char * const cntr_mux[] = { "main_pll", "periph_pll",
- "osc1", "cb_intosc_hs_div2_clk",
- "f2s_free_clk"};
-static const char * const boot_mux[] = { "osc1", "cb_intosc_hs_div2_clk",};
+ "osc1", "cb-intosc-hs-div2-clk",
+ "f2s-free-clk"};
+static const char * const boot_mux[] = { "osc1", "cb-intosc-hs-div2-clk",};
static const char * const noc_free_mux[] = {"main_noc_base_clk",
"peri_noc_base_clk",
- "osc1", "cb_intosc_hs_div2_clk",
- "f2s_free_clk"};
+ "osc1", "cb-intosc-hs-div2-clk",
+ "f2s-free-clk"};
static const char * const emaca_free_mux[] = {"peri_emaca_clk", "boot_clk"};
static const char * const emacb_free_mux[] = {"peri_emacb_clk", "boot_clk"};
@@ -33,14 +33,14 @@ static const char * const s2f_usr1_free_mux[] = {"peri_s2f_usr1_clk", "boot_clk"
static const char * const psi_ref_free_mux[] = {"peri_psi_ref_clk", "boot_clk"};
static const char * const mpu_mux[] = { "mpu_free_clk", "boot_clk",};
-static const char * const s2f_usr0_mux[] = {"f2s_free_clk", "boot_clk"};
+static const char * const s2f_usr0_mux[] = {"f2s-free-clk", "boot_clk"};
static const char * const emac_mux[] = {"emaca_free_clk", "emacb_free_clk"};
static const char * const noc_mux[] = {"noc_free_clk", "boot_clk"};
static const char * const mpu_free_mux[] = {"main_mpu_base_clk",
"peri_mpu_base_clk",
- "osc1", "cb_intosc_hs_div2_clk",
- "f2s_free_clk"};
+ "osc1", "cb-intosc-hs-div2-clk",
+ "f2s-free-clk"};
/* clocks in AO (always on) controller */
static const struct stratix10_pll_clock s10_pll_clks[] = {
diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
index 3b97f60540ad..609970c0b666 100644
--- a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
+++ b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
@@ -264,9 +264,9 @@ static SUNXI_CCU_GATE(ahb1_mmc1_clk, "ahb1-mmc1", "ahb1",
static SUNXI_CCU_GATE(ahb1_mmc2_clk, "ahb1-mmc2", "ahb1",
0x060, BIT(10), 0);
static SUNXI_CCU_GATE(ahb1_mmc3_clk, "ahb1-mmc3", "ahb1",
- 0x060, BIT(12), 0);
+ 0x060, BIT(11), 0);
static SUNXI_CCU_GATE(ahb1_nand1_clk, "ahb1-nand1", "ahb1",
- 0x060, BIT(13), 0);
+ 0x060, BIT(12), 0);
static SUNXI_CCU_GATE(ahb1_nand0_clk, "ahb1-nand0", "ahb1",
0x060, BIT(13), 0);
static SUNXI_CCU_GATE(ahb1_sdram_clk, "ahb1-sdram", "ahb1",
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
index 621b1cd996db..ac12f261f8ca 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
@@ -542,7 +542,7 @@ static struct ccu_reset_map sun8i_v3s_ccu_resets[] = {
[RST_BUS_OHCI0] = { 0x2c0, BIT(29) },
[RST_BUS_VE] = { 0x2c4, BIT(0) },
- [RST_BUS_TCON0] = { 0x2c4, BIT(3) },
+ [RST_BUS_TCON0] = { 0x2c4, BIT(4) },
[RST_BUS_CSI] = { 0x2c4, BIT(8) },
[RST_BUS_DE] = { 0x2c4, BIT(12) },
[RST_BUS_DBG] = { 0x2c4, BIT(31) },
diff --git a/drivers/clk/tegra/Kconfig b/drivers/clk/tegra/Kconfig
index 7ddacae5d0b1..1adcccfa7829 100644
--- a/drivers/clk/tegra/Kconfig
+++ b/drivers/clk/tegra/Kconfig
@@ -5,3 +5,8 @@ config TEGRA_CLK_EMC
config CLK_TEGRA_BPMP
def_bool y
depends on TEGRA_BPMP
+
+config TEGRA_CLK_DFLL
+ depends on ARCH_TEGRA_124_SOC || ARCH_TEGRA_210_SOC
+ select PM_OPP
+ def_bool y
diff --git a/drivers/clk/tegra/Makefile b/drivers/clk/tegra/Makefile
index 6507acc843c7..4812e45c2214 100644
--- a/drivers/clk/tegra/Makefile
+++ b/drivers/clk/tegra/Makefile
@@ -20,7 +20,7 @@ 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-$(CONFIG_ARCH_TEGRA_124_SOC) += clk-tegra124-dfll-fcpu.o
+obj-$(CONFIG_TEGRA_CLK_DFLL) += clk-tegra124-dfll-fcpu.o
obj-$(CONFIG_ARCH_TEGRA_132_SOC) += clk-tegra124.o
obj-y += cvb.o
obj-$(CONFIG_ARCH_TEGRA_210_SOC) += clk-tegra210.o
diff --git a/drivers/clk/tegra/clk-dfll.c b/drivers/clk/tegra/clk-dfll.c
index 609e363dabf8..0400e5b1d627 100644
--- a/drivers/clk/tegra/clk-dfll.c
+++ b/drivers/clk/tegra/clk-dfll.c
@@ -1,7 +1,7 @@
/*
* clk-dfll.c - Tegra DFLL clock source common code
*
- * Copyright (C) 2012-2014 NVIDIA Corporation. All rights reserved.
+ * Copyright (C) 2012-2019 NVIDIA Corporation. All rights reserved.
*
* Aleksandr Frid <afrid@nvidia.com>
* Paul Walmsley <pwalmsley@nvidia.com>
@@ -47,6 +47,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/pinctrl/consumer.h>
#include <linux/pm_opp.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
@@ -243,6 +244,12 @@ enum dfll_tune_range {
DFLL_TUNE_LOW = 1,
};
+
+enum tegra_dfll_pmu_if {
+ TEGRA_DFLL_PMU_I2C = 0,
+ TEGRA_DFLL_PMU_PWM = 1,
+};
+
/**
* struct dfll_rate_req - target DFLL rate request data
* @rate: target frequency, after the postscaling
@@ -300,10 +307,19 @@ struct tegra_dfll {
u32 i2c_reg;
u32 i2c_slave_addr;
- /* i2c_lut array entries are regulator framework selectors */
- unsigned i2c_lut[MAX_DFLL_VOLTAGES];
- int i2c_lut_size;
- u8 lut_min, lut_max, lut_safe;
+ /* lut array entries are regulator framework selectors or PWM values*/
+ unsigned lut[MAX_DFLL_VOLTAGES];
+ unsigned long lut_uv[MAX_DFLL_VOLTAGES];
+ int lut_size;
+ u8 lut_bottom, lut_min, lut_max, lut_safe;
+
+ /* PWM interface */
+ enum tegra_dfll_pmu_if pmu_if;
+ unsigned long pwm_rate;
+ struct pinctrl *pwm_pin;
+ struct pinctrl_state *pwm_enable_state;
+ struct pinctrl_state *pwm_disable_state;
+ u32 reg_init_uV;
};
#define clk_hw_to_dfll(_hw) container_of(_hw, struct tegra_dfll, dfll_clk_hw)
@@ -490,6 +506,34 @@ static void dfll_set_mode(struct tegra_dfll *td,
}
/*
+ * DVCO rate control
+ */
+
+static unsigned long get_dvco_rate_below(struct tegra_dfll *td, u8 out_min)
+{
+ struct dev_pm_opp *opp;
+ unsigned long rate, prev_rate;
+ unsigned long uv, min_uv;
+
+ min_uv = td->lut_uv[out_min];
+ for (rate = 0, prev_rate = 0; ; rate++) {
+ opp = dev_pm_opp_find_freq_ceil(td->soc->dev, &rate);
+ if (IS_ERR(opp))
+ break;
+
+ uv = dev_pm_opp_get_voltage(opp);
+ dev_pm_opp_put(opp);
+
+ if (uv && uv > min_uv)
+ return prev_rate;
+
+ prev_rate = rate;
+ }
+
+ return prev_rate;
+}
+
+/*
* DFLL-to-I2C controller interface
*/
@@ -518,6 +562,118 @@ static int dfll_i2c_set_output_enabled(struct tegra_dfll *td, bool enable)
return 0;
}
+
+/*
+ * DFLL-to-PWM controller interface
+ */
+
+/**
+ * dfll_pwm_set_output_enabled - enable/disable PWM voltage requests
+ * @td: DFLL instance
+ * @enable: whether to enable or disable the PWM voltage requests
+ *
+ * Set the master enable control for PWM control value updates. If disabled,
+ * then the PWM signal is not driven. Also configure the PWM output pad
+ * to the appropriate state.
+ */
+static int dfll_pwm_set_output_enabled(struct tegra_dfll *td, bool enable)
+{
+ int ret;
+ u32 val, div;
+
+ if (enable) {
+ ret = pinctrl_select_state(td->pwm_pin, td->pwm_enable_state);
+ if (ret < 0) {
+ dev_err(td->dev, "setting enable state failed\n");
+ return -EINVAL;
+ }
+ val = dfll_readl(td, DFLL_OUTPUT_CFG);
+ val &= ~DFLL_OUTPUT_CFG_PWM_DIV_MASK;
+ div = DIV_ROUND_UP(td->ref_rate, td->pwm_rate);
+ val |= (div << DFLL_OUTPUT_CFG_PWM_DIV_SHIFT)
+ & DFLL_OUTPUT_CFG_PWM_DIV_MASK;
+ dfll_writel(td, val, DFLL_OUTPUT_CFG);
+ dfll_wmb(td);
+
+ val |= DFLL_OUTPUT_CFG_PWM_ENABLE;
+ dfll_writel(td, val, DFLL_OUTPUT_CFG);
+ dfll_wmb(td);
+ } else {
+ ret = pinctrl_select_state(td->pwm_pin, td->pwm_disable_state);
+ if (ret < 0)
+ dev_warn(td->dev, "setting disable state failed\n");
+
+ val = dfll_readl(td, DFLL_OUTPUT_CFG);
+ val &= ~DFLL_OUTPUT_CFG_PWM_ENABLE;
+ dfll_writel(td, val, DFLL_OUTPUT_CFG);
+ dfll_wmb(td);
+ }
+
+ return 0;
+}
+
+/**
+ * dfll_set_force_output_value - set fixed value for force output
+ * @td: DFLL instance
+ * @out_val: value to force output
+ *
+ * Set the fixed value for force output, DFLL will output this value when
+ * force output is enabled.
+ */
+static u32 dfll_set_force_output_value(struct tegra_dfll *td, u8 out_val)
+{
+ u32 val = dfll_readl(td, DFLL_OUTPUT_FORCE);
+
+ val = (val & DFLL_OUTPUT_FORCE_ENABLE) | (out_val & OUT_MASK);
+ dfll_writel(td, val, DFLL_OUTPUT_FORCE);
+ dfll_wmb(td);
+
+ return dfll_readl(td, DFLL_OUTPUT_FORCE);
+}
+
+/**
+ * dfll_set_force_output_enabled - enable/disable force output
+ * @td: DFLL instance
+ * @enable: whether to enable or disable the force output
+ *
+ * Set the enable control for fouce output with fixed value.
+ */
+static void dfll_set_force_output_enabled(struct tegra_dfll *td, bool enable)
+{
+ u32 val = dfll_readl(td, DFLL_OUTPUT_FORCE);
+
+ if (enable)
+ val |= DFLL_OUTPUT_FORCE_ENABLE;
+ else
+ val &= ~DFLL_OUTPUT_FORCE_ENABLE;
+
+ dfll_writel(td, val, DFLL_OUTPUT_FORCE);
+ dfll_wmb(td);
+}
+
+/**
+ * dfll_force_output - force output a fixed value
+ * @td: DFLL instance
+ * @out_sel: value to force output
+ *
+ * Set the fixed value for force output, DFLL will output this value.
+ */
+static int dfll_force_output(struct tegra_dfll *td, unsigned int out_sel)
+{
+ u32 val;
+
+ if (out_sel > OUT_MASK)
+ return -EINVAL;
+
+ val = dfll_set_force_output_value(td, out_sel);
+ if ((td->mode < DFLL_CLOSED_LOOP) &&
+ !(val & DFLL_OUTPUT_FORCE_ENABLE)) {
+ dfll_set_force_output_enabled(td, true);
+ }
+
+ return 0;
+}
+
/**
* dfll_load_lut - load the voltage lookup table
* @td: struct tegra_dfll *
@@ -539,7 +695,7 @@ static void dfll_load_i2c_lut(struct tegra_dfll *td)
lut_index = i;
val = regulator_list_hardware_vsel(td->vdd_reg,
- td->i2c_lut[lut_index]);
+ td->lut[lut_index]);
__raw_writel(val, td->lut_base + i * 4);
}
@@ -594,24 +750,41 @@ static void dfll_init_out_if(struct tegra_dfll *td)
{
u32 val;
- td->lut_min = 0;
- td->lut_max = td->i2c_lut_size - 1;
- td->lut_safe = td->lut_min + 1;
+ td->lut_min = td->lut_bottom;
+ td->lut_max = td->lut_size - 1;
+ td->lut_safe = td->lut_min + (td->lut_min < td->lut_max ? 1 : 0);
+
+ /* clear DFLL_OUTPUT_CFG before setting new value */
+ dfll_writel(td, 0, DFLL_OUTPUT_CFG);
+ dfll_wmb(td);
- dfll_i2c_writel(td, 0, DFLL_OUTPUT_CFG);
val = (td->lut_safe << DFLL_OUTPUT_CFG_SAFE_SHIFT) |
- (td->lut_max << DFLL_OUTPUT_CFG_MAX_SHIFT) |
- (td->lut_min << DFLL_OUTPUT_CFG_MIN_SHIFT);
- dfll_i2c_writel(td, val, DFLL_OUTPUT_CFG);
- dfll_i2c_wmb(td);
+ (td->lut_max << DFLL_OUTPUT_CFG_MAX_SHIFT) |
+ (td->lut_min << DFLL_OUTPUT_CFG_MIN_SHIFT);
+ dfll_writel(td, val, DFLL_OUTPUT_CFG);
+ dfll_wmb(td);
dfll_writel(td, 0, DFLL_OUTPUT_FORCE);
dfll_i2c_writel(td, 0, DFLL_INTR_EN);
dfll_i2c_writel(td, DFLL_INTR_MAX_MASK | DFLL_INTR_MIN_MASK,
DFLL_INTR_STS);
- dfll_load_i2c_lut(td);
- dfll_init_i2c_if(td);
+ if (td->pmu_if == TEGRA_DFLL_PMU_PWM) {
+ u32 vinit = td->reg_init_uV;
+ int vstep = td->soc->alignment.step_uv;
+ unsigned long vmin = td->lut_uv[0];
+
+ /* set initial voltage */
+ if ((vinit >= vmin) && vstep) {
+ unsigned int vsel;
+
+ vsel = DIV_ROUND_UP((vinit - vmin), vstep);
+ dfll_force_output(td, vsel);
+ }
+ } else {
+ dfll_load_i2c_lut(td);
+ dfll_init_i2c_if(td);
+ }
}
/*
@@ -631,17 +804,17 @@ static void dfll_init_out_if(struct tegra_dfll *td)
static int find_lut_index_for_rate(struct tegra_dfll *td, unsigned long rate)
{
struct dev_pm_opp *opp;
- int i, uv;
+ int i, align_step;
opp = dev_pm_opp_find_freq_ceil(td->soc->dev, &rate);
if (IS_ERR(opp))
return PTR_ERR(opp);
- uv = dev_pm_opp_get_voltage(opp);
+ align_step = dev_pm_opp_get_voltage(opp) / td->soc->alignment.step_uv;
dev_pm_opp_put(opp);
- for (i = 0; i < td->i2c_lut_size; i++) {
- if (regulator_list_voltage(td->vdd_reg, td->i2c_lut[i]) == uv)
+ for (i = td->lut_bottom; i < td->lut_size; i++) {
+ if ((td->lut_uv[i] / td->soc->alignment.step_uv) >= align_step)
return i;
}
@@ -863,9 +1036,14 @@ static int dfll_lock(struct tegra_dfll *td)
return -EINVAL;
}
- dfll_i2c_set_output_enabled(td, true);
+ if (td->pmu_if == TEGRA_DFLL_PMU_PWM)
+ dfll_pwm_set_output_enabled(td, true);
+ else
+ dfll_i2c_set_output_enabled(td, true);
+
dfll_set_mode(td, DFLL_CLOSED_LOOP);
dfll_set_frequency_request(td, req);
+ dfll_set_force_output_enabled(td, false);
return 0;
default:
@@ -889,7 +1067,10 @@ static int dfll_unlock(struct tegra_dfll *td)
case DFLL_CLOSED_LOOP:
dfll_set_open_loop_config(td);
dfll_set_mode(td, DFLL_OPEN_LOOP);
- dfll_i2c_set_output_enabled(td, false);
+ if (td->pmu_if == TEGRA_DFLL_PMU_PWM)
+ dfll_pwm_set_output_enabled(td, false);
+ else
+ dfll_i2c_set_output_enabled(td, false);
return 0;
case DFLL_OPEN_LOOP:
@@ -1171,15 +1352,17 @@ static int attr_registers_show(struct seq_file *s, void *data)
seq_printf(s, "[0x%02x] = 0x%08x\n", offs,
dfll_i2c_readl(td, offs));
- seq_puts(s, "\nINTEGRATED I2C CONTROLLER REGISTERS:\n");
- offs = DFLL_I2C_CLK_DIVISOR;
- seq_printf(s, "[0x%02x] = 0x%08x\n", offs,
- __raw_readl(td->i2c_controller_base + offs));
-
- seq_puts(s, "\nLUT:\n");
- for (offs = 0; offs < 4 * MAX_DFLL_VOLTAGES; offs += 4)
+ if (td->pmu_if == TEGRA_DFLL_PMU_I2C) {
+ seq_puts(s, "\nINTEGRATED I2C CONTROLLER REGISTERS:\n");
+ offs = DFLL_I2C_CLK_DIVISOR;
seq_printf(s, "[0x%02x] = 0x%08x\n", offs,
- __raw_readl(td->lut_base + offs));
+ __raw_readl(td->i2c_controller_base + offs));
+
+ seq_puts(s, "\nLUT:\n");
+ for (offs = 0; offs < 4 * MAX_DFLL_VOLTAGES; offs += 4)
+ seq_printf(s, "[0x%02x] = 0x%08x\n", offs,
+ __raw_readl(td->lut_base + offs));
+ }
return 0;
}
@@ -1349,15 +1532,21 @@ di_err1:
*/
static int find_vdd_map_entry_exact(struct tegra_dfll *td, int uV)
{
- int i, n_voltages, reg_uV;
+ int i, n_voltages, reg_uV,reg_volt_id, align_step;
+
+ if (WARN_ON(td->pmu_if == TEGRA_DFLL_PMU_PWM))
+ return -EINVAL;
+ align_step = uV / td->soc->alignment.step_uv;
n_voltages = regulator_count_voltages(td->vdd_reg);
for (i = 0; i < n_voltages; i++) {
reg_uV = regulator_list_voltage(td->vdd_reg, i);
if (reg_uV < 0)
break;
- if (uV == reg_uV)
+ reg_volt_id = reg_uV / td->soc->alignment.step_uv;
+
+ if (align_step == reg_volt_id)
return i;
}
@@ -1371,15 +1560,21 @@ static int find_vdd_map_entry_exact(struct tegra_dfll *td, int uV)
* */
static int find_vdd_map_entry_min(struct tegra_dfll *td, int uV)
{
- int i, n_voltages, reg_uV;
+ int i, n_voltages, reg_uV, reg_volt_id, align_step;
+ if (WARN_ON(td->pmu_if == TEGRA_DFLL_PMU_PWM))
+ return -EINVAL;
+
+ align_step = uV / td->soc->alignment.step_uv;
n_voltages = regulator_count_voltages(td->vdd_reg);
for (i = 0; i < n_voltages; i++) {
reg_uV = regulator_list_voltage(td->vdd_reg, i);
if (reg_uV < 0)
break;
- if (uV <= reg_uV)
+ reg_volt_id = reg_uV / td->soc->alignment.step_uv;
+
+ if (align_step <= reg_volt_id)
return i;
}
@@ -1387,9 +1582,61 @@ static int find_vdd_map_entry_min(struct tegra_dfll *td, int uV)
return -EINVAL;
}
+/*
+ * dfll_build_pwm_lut - build the PWM regulator lookup table
+ * @td: DFLL instance
+ * @v_max: Vmax from OPP table
+ *
+ * Look-up table in h/w is ignored when PWM is used as DFLL interface to PMIC.
+ * In this case closed loop output is controlling duty cycle directly. The s/w
+ * look-up that maps PWM duty cycle to voltage is still built by this function.
+ */
+static int dfll_build_pwm_lut(struct tegra_dfll *td, unsigned long v_max)
+{
+ int i;
+ unsigned long rate, reg_volt;
+ u8 lut_bottom = MAX_DFLL_VOLTAGES;
+ int v_min = td->soc->cvb->min_millivolts * 1000;
+
+ for (i = 0; i < MAX_DFLL_VOLTAGES; i++) {
+ reg_volt = td->lut_uv[i];
+
+ /* since opp voltage is exact mv */
+ reg_volt = (reg_volt / 1000) * 1000;
+ if (reg_volt > v_max)
+ break;
+
+ td->lut[i] = i;
+ if ((lut_bottom == MAX_DFLL_VOLTAGES) && (reg_volt >= v_min))
+ lut_bottom = i;
+ }
+
+ /* determine voltage boundaries */
+ td->lut_size = i;
+ if ((lut_bottom == MAX_DFLL_VOLTAGES) ||
+ (lut_bottom + 1 >= td->lut_size)) {
+ dev_err(td->dev, "no voltage above DFLL minimum %d mV\n",
+ td->soc->cvb->min_millivolts);
+ return -EINVAL;
+ }
+ td->lut_bottom = lut_bottom;
+
+ /* determine rate boundaries */
+ rate = get_dvco_rate_below(td, td->lut_bottom);
+ if (!rate) {
+ dev_err(td->dev, "no opp below DFLL minimum voltage %d mV\n",
+ td->soc->cvb->min_millivolts);
+ return -EINVAL;
+ }
+ td->dvco_rate_min = rate;
+
+ return 0;
+}
+
/**
* dfll_build_i2c_lut - build the I2C voltage register lookup table
* @td: DFLL instance
+ * @v_max: Vmax from OPP table
*
* The DFLL hardware has 33 bytes of look-up table RAM that must be filled with
* PMIC voltage register values that span the entire DFLL operating range.
@@ -1397,33 +1644,24 @@ static int find_vdd_map_entry_min(struct tegra_dfll *td, int uV)
* the soc-specific platform driver (td->soc->opp_dev) and the PMIC
* register-to-voltage mapping queried from the regulator framework.
*
- * On success, fills in td->i2c_lut and returns 0, or -err on failure.
+ * On success, fills in td->lut and returns 0, or -err on failure.
*/
-static int dfll_build_i2c_lut(struct tegra_dfll *td)
+static int dfll_build_i2c_lut(struct tegra_dfll *td, unsigned long v_max)
{
+ unsigned long rate, v, v_opp;
int ret = -EINVAL;
- int j, v, v_max, v_opp;
- int selector;
- unsigned long rate;
- struct dev_pm_opp *opp;
- int lut;
-
- rate = ULONG_MAX;
- opp = dev_pm_opp_find_freq_floor(td->soc->dev, &rate);
- if (IS_ERR(opp)) {
- dev_err(td->dev, "couldn't get vmax opp, empty opp table?\n");
- goto out;
- }
- v_max = dev_pm_opp_get_voltage(opp);
- dev_pm_opp_put(opp);
+ int j, selector, lut;
v = td->soc->cvb->min_millivolts * 1000;
lut = find_vdd_map_entry_exact(td, v);
if (lut < 0)
goto out;
- td->i2c_lut[0] = lut;
+ td->lut[0] = lut;
+ td->lut_bottom = 0;
for (j = 1, rate = 0; ; rate++) {
+ struct dev_pm_opp *opp;
+
opp = dev_pm_opp_find_freq_ceil(td->soc->dev, &rate);
if (IS_ERR(opp))
break;
@@ -1435,39 +1673,64 @@ static int dfll_build_i2c_lut(struct tegra_dfll *td)
dev_pm_opp_put(opp);
for (;;) {
- v += max(1, (v_max - v) / (MAX_DFLL_VOLTAGES - j));
+ v += max(1UL, (v_max - v) / (MAX_DFLL_VOLTAGES - j));
if (v >= v_opp)
break;
selector = find_vdd_map_entry_min(td, v);
if (selector < 0)
goto out;
- if (selector != td->i2c_lut[j - 1])
- td->i2c_lut[j++] = selector;
+ if (selector != td->lut[j - 1])
+ td->lut[j++] = selector;
}
v = (j == MAX_DFLL_VOLTAGES - 1) ? v_max : v_opp;
selector = find_vdd_map_entry_exact(td, v);
if (selector < 0)
goto out;
- if (selector != td->i2c_lut[j - 1])
- td->i2c_lut[j++] = selector;
+ if (selector != td->lut[j - 1])
+ td->lut[j++] = selector;
if (v >= v_max)
break;
}
- td->i2c_lut_size = j;
+ td->lut_size = j;
if (!td->dvco_rate_min)
dev_err(td->dev, "no opp above DFLL minimum voltage %d mV\n",
td->soc->cvb->min_millivolts);
- else
+ else {
ret = 0;
+ for (j = 0; j < td->lut_size; j++)
+ td->lut_uv[j] =
+ regulator_list_voltage(td->vdd_reg,
+ td->lut[j]);
+ }
out:
return ret;
}
+static int dfll_build_lut(struct tegra_dfll *td)
+{
+ unsigned long rate, v_max;
+ struct dev_pm_opp *opp;
+
+ rate = ULONG_MAX;
+ opp = dev_pm_opp_find_freq_floor(td->soc->dev, &rate);
+ if (IS_ERR(opp)) {
+ dev_err(td->dev, "couldn't get vmax opp, empty opp table?\n");
+ return -EINVAL;
+ }
+ v_max = dev_pm_opp_get_voltage(opp);
+ dev_pm_opp_put(opp);
+
+ if (td->pmu_if == TEGRA_DFLL_PMU_PWM)
+ return dfll_build_pwm_lut(td, v_max);
+ else
+ return dfll_build_i2c_lut(td, v_max);
+}
+
/**
* read_dt_param - helper function for reading required parameters from the DT
* @td: DFLL instance
@@ -1526,11 +1789,56 @@ static int dfll_fetch_i2c_params(struct tegra_dfll *td)
}
td->i2c_reg = vsel_reg;
- ret = dfll_build_i2c_lut(td);
- if (ret) {
- dev_err(td->dev, "couldn't build I2C LUT\n");
+ return 0;
+}
+
+static int dfll_fetch_pwm_params(struct tegra_dfll *td)
+{
+ int ret, i;
+ u32 pwm_period;
+
+ if (!td->soc->alignment.step_uv || !td->soc->alignment.offset_uv) {
+ dev_err(td->dev,
+ "Missing step or alignment info for PWM regulator");
+ return -EINVAL;
+ }
+ for (i = 0; i < MAX_DFLL_VOLTAGES; i++)
+ td->lut_uv[i] = td->soc->alignment.offset_uv +
+ i * td->soc->alignment.step_uv;
+
+ ret = read_dt_param(td, "nvidia,pwm-tristate-microvolts",
+ &td->reg_init_uV);
+ if (!ret) {
+ dev_err(td->dev, "couldn't get initialized voltage\n");
+ return ret;
+ }
+
+ ret = read_dt_param(td, "nvidia,pwm-period-nanoseconds", &pwm_period);
+ if (!ret) {
+ dev_err(td->dev, "couldn't get PWM period\n");
return ret;
}
+ td->pwm_rate = (NSEC_PER_SEC / pwm_period) * (MAX_DFLL_VOLTAGES - 1);
+
+ td->pwm_pin = devm_pinctrl_get(td->dev);
+ if (IS_ERR(td->pwm_pin)) {
+ dev_err(td->dev, "DT: missing pinctrl device\n");
+ return PTR_ERR(td->pwm_pin);
+ }
+
+ td->pwm_enable_state = pinctrl_lookup_state(td->pwm_pin,
+ "dvfs_pwm_enable");
+ if (IS_ERR(td->pwm_enable_state)) {
+ dev_err(td->dev, "DT: missing pwm enabled state\n");
+ return PTR_ERR(td->pwm_enable_state);
+ }
+
+ td->pwm_disable_state = pinctrl_lookup_state(td->pwm_pin,
+ "dvfs_pwm_disable");
+ if (IS_ERR(td->pwm_disable_state)) {
+ dev_err(td->dev, "DT: missing pwm disabled state\n");
+ return PTR_ERR(td->pwm_disable_state);
+ }
return 0;
}
@@ -1597,16 +1905,6 @@ int tegra_dfll_register(struct platform_device *pdev,
td->soc = soc;
- td->vdd_reg = devm_regulator_get(td->dev, "vdd-cpu");
- if (IS_ERR(td->vdd_reg)) {
- ret = PTR_ERR(td->vdd_reg);
- if (ret != -EPROBE_DEFER)
- dev_err(td->dev, "couldn't get vdd_cpu regulator: %d\n",
- ret);
-
- return ret;
- }
-
td->dvco_rst = devm_reset_control_get(td->dev, "dvco");
if (IS_ERR(td->dvco_rst)) {
dev_err(td->dev, "couldn't get dvco reset\n");
@@ -1619,10 +1917,27 @@ int tegra_dfll_register(struct platform_device *pdev,
return ret;
}
- ret = dfll_fetch_i2c_params(td);
+ if (of_property_read_bool(td->dev->of_node, "nvidia,pwm-to-pmic")) {
+ td->pmu_if = TEGRA_DFLL_PMU_PWM;
+ ret = dfll_fetch_pwm_params(td);
+ } else {
+ td->vdd_reg = devm_regulator_get(td->dev, "vdd-cpu");
+ if (IS_ERR(td->vdd_reg)) {
+ dev_err(td->dev, "couldn't get vdd_cpu regulator\n");
+ return PTR_ERR(td->vdd_reg);
+ }
+ td->pmu_if = TEGRA_DFLL_PMU_I2C;
+ ret = dfll_fetch_i2c_params(td);
+ }
if (ret)
return ret;
+ ret = dfll_build_lut(td);
+ if (ret) {
+ dev_err(td->dev, "couldn't build LUT\n");
+ return ret;
+ }
+
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem) {
dev_err(td->dev, "no control register resource\n");
diff --git a/drivers/clk/tegra/clk-dfll.h b/drivers/clk/tegra/clk-dfll.h
index 83352c8078f2..85d0d95223f3 100644
--- a/drivers/clk/tegra/clk-dfll.h
+++ b/drivers/clk/tegra/clk-dfll.h
@@ -1,6 +1,6 @@
/*
* clk-dfll.h - prototypes and macros for the Tegra DFLL clocksource driver
- * Copyright (C) 2013 NVIDIA Corporation. All rights reserved.
+ * Copyright (C) 2013-2019 NVIDIA Corporation. All rights reserved.
*
* Aleksandr Frid <afrid@nvidia.com>
* Paul Walmsley <pwalmsley@nvidia.com>
@@ -22,11 +22,14 @@
#include <linux/reset.h>
#include <linux/types.h>
+#include "cvb.h"
+
/**
* struct tegra_dfll_soc_data - SoC-specific hooks/integration for the DFLL driver
* @dev: struct device * that holds the OPP table for the DFLL
* @max_freq: maximum frequency supported on this SoC
* @cvb: CPU frequency table for this SoC
+ * @alignment: parameters of the regulator step and offset
* @init_clock_trimmers: callback to initialize clock trimmers
* @set_clock_trimmers_high: callback to tune clock trimmers for high voltage
* @set_clock_trimmers_low: callback to tune clock trimmers for low voltage
@@ -35,6 +38,7 @@ struct tegra_dfll_soc_data {
struct device *dev;
unsigned long max_freq;
const struct cvb_table *cvb;
+ struct rail_alignment alignment;
void (*init_clock_trimmers)(void);
void (*set_clock_trimmers_high)(void);
diff --git a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c
index 269d3595758b..e8ec42bf8638 100644
--- a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c
+++ b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c
@@ -1,7 +1,7 @@
/*
* Tegra124 DFLL FCPU clock source driver
*
- * Copyright (C) 2012-2014 NVIDIA Corporation. All rights reserved.
+ * Copyright (C) 2012-2019 NVIDIA Corporation. All rights reserved.
*
* Aleksandr Frid <afrid@nvidia.com>
* Paul Walmsley <pwalmsley@nvidia.com>
@@ -21,15 +21,24 @@
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
#include <soc/tegra/fuse.h>
#include "clk.h"
#include "clk-dfll.h"
#include "cvb.h"
+struct dfll_fcpu_data {
+ const unsigned long *cpu_max_freq_table;
+ unsigned int cpu_max_freq_table_size;
+ const struct cvb_table *cpu_cvb_tables;
+ unsigned int cpu_cvb_tables_size;
+};
+
/* Maximum CPU frequency, indexed by CPU speedo id */
-static const unsigned long cpu_max_freq_table[] = {
+static const unsigned long tegra124_cpu_max_freq_table[] = {
[0] = 2014500000UL,
[1] = 2320500000UL,
[2] = 2116500000UL,
@@ -42,9 +51,6 @@ static const struct cvb_table tegra124_cpu_cvb_tables[] = {
.process_id = -1,
.min_millivolts = 900,
.max_millivolts = 1260,
- .alignment = {
- .step_uv = 10000, /* 10mV */
- },
.speedo_scale = 100,
.voltage_scale = 1000,
.entries = {
@@ -82,16 +88,493 @@ static const struct cvb_table tegra124_cpu_cvb_tables[] = {
},
};
+static const unsigned long tegra210_cpu_max_freq_table[] = {
+ [0] = 1912500000UL,
+ [1] = 1912500000UL,
+ [2] = 2218500000UL,
+ [3] = 1785000000UL,
+ [4] = 1632000000UL,
+ [5] = 1912500000UL,
+ [6] = 2014500000UL,
+ [7] = 1734000000UL,
+ [8] = 1683000000UL,
+ [9] = 1555500000UL,
+ [10] = 1504500000UL,
+};
+
+#define CPU_CVB_TABLE \
+ .speedo_scale = 100, \
+ .voltage_scale = 1000, \
+ .entries = { \
+ { 204000000UL, { 1007452, -23865, 370 } }, \
+ { 306000000UL, { 1052709, -24875, 370 } }, \
+ { 408000000UL, { 1099069, -25895, 370 } }, \
+ { 510000000UL, { 1146534, -26905, 370 } }, \
+ { 612000000UL, { 1195102, -27915, 370 } }, \
+ { 714000000UL, { 1244773, -28925, 370 } }, \
+ { 816000000UL, { 1295549, -29935, 370 } }, \
+ { 918000000UL, { 1347428, -30955, 370 } }, \
+ { 1020000000UL, { 1400411, -31965, 370 } }, \
+ { 1122000000UL, { 1454497, -32975, 370 } }, \
+ { 1224000000UL, { 1509687, -33985, 370 } }, \
+ { 1326000000UL, { 1565981, -35005, 370 } }, \
+ { 1428000000UL, { 1623379, -36015, 370 } }, \
+ { 1530000000UL, { 1681880, -37025, 370 } }, \
+ { 1632000000UL, { 1741485, -38035, 370 } }, \
+ { 1734000000UL, { 1802194, -39055, 370 } }, \
+ { 1836000000UL, { 1864006, -40065, 370 } }, \
+ { 1912500000UL, { 1910780, -40815, 370 } }, \
+ { 2014500000UL, { 1227000, 0, 0 } }, \
+ { 2218500000UL, { 1227000, 0, 0 } }, \
+ { 0UL, { 0, 0, 0 } }, \
+ }
+
+#define CPU_CVB_TABLE_XA \
+ .speedo_scale = 100, \
+ .voltage_scale = 1000, \
+ .entries = { \
+ { 204000000UL, { 1250024, -39785, 565 } }, \
+ { 306000000UL, { 1297556, -41145, 565 } }, \
+ { 408000000UL, { 1346718, -42505, 565 } }, \
+ { 510000000UL, { 1397511, -43855, 565 } }, \
+ { 612000000UL, { 1449933, -45215, 565 } }, \
+ { 714000000UL, { 1503986, -46575, 565 } }, \
+ { 816000000UL, { 1559669, -47935, 565 } }, \
+ { 918000000UL, { 1616982, -49295, 565 } }, \
+ { 1020000000UL, { 1675926, -50645, 565 } }, \
+ { 1122000000UL, { 1736500, -52005, 565 } }, \
+ { 1224000000UL, { 1798704, -53365, 565 } }, \
+ { 1326000000UL, { 1862538, -54725, 565 } }, \
+ { 1428000000UL, { 1928003, -56085, 565 } }, \
+ { 1530000000UL, { 1995097, -57435, 565 } }, \
+ { 1606500000UL, { 2046149, -58445, 565 } }, \
+ { 1632000000UL, { 2063822, -58795, 565 } }, \
+ { 0UL, { 0, 0, 0 } }, \
+ }
+
+#define CPU_CVB_TABLE_EUCM1 \
+ .speedo_scale = 100, \
+ .voltage_scale = 1000, \
+ .entries = { \
+ { 204000000UL, { 734429, 0, 0 } }, \
+ { 306000000UL, { 768191, 0, 0 } }, \
+ { 408000000UL, { 801953, 0, 0 } }, \
+ { 510000000UL, { 835715, 0, 0 } }, \
+ { 612000000UL, { 869477, 0, 0 } }, \
+ { 714000000UL, { 903239, 0, 0 } }, \
+ { 816000000UL, { 937001, 0, 0 } }, \
+ { 918000000UL, { 970763, 0, 0 } }, \
+ { 1020000000UL, { 1004525, 0, 0 } }, \
+ { 1122000000UL, { 1038287, 0, 0 } }, \
+ { 1224000000UL, { 1072049, 0, 0 } }, \
+ { 1326000000UL, { 1105811, 0, 0 } }, \
+ { 1428000000UL, { 1130000, 0, 0 } }, \
+ { 1555500000UL, { 1130000, 0, 0 } }, \
+ { 1632000000UL, { 1170000, 0, 0 } }, \
+ { 1734000000UL, { 1227500, 0, 0 } }, \
+ { 0UL, { 0, 0, 0 } }, \
+ }
+
+#define CPU_CVB_TABLE_EUCM2 \
+ .speedo_scale = 100, \
+ .voltage_scale = 1000, \
+ .entries = { \
+ { 204000000UL, { 742283, 0, 0 } }, \
+ { 306000000UL, { 776249, 0, 0 } }, \
+ { 408000000UL, { 810215, 0, 0 } }, \
+ { 510000000UL, { 844181, 0, 0 } }, \
+ { 612000000UL, { 878147, 0, 0 } }, \
+ { 714000000UL, { 912113, 0, 0 } }, \
+ { 816000000UL, { 946079, 0, 0 } }, \
+ { 918000000UL, { 980045, 0, 0 } }, \
+ { 1020000000UL, { 1014011, 0, 0 } }, \
+ { 1122000000UL, { 1047977, 0, 0 } }, \
+ { 1224000000UL, { 1081943, 0, 0 } }, \
+ { 1326000000UL, { 1090000, 0, 0 } }, \
+ { 1479000000UL, { 1090000, 0, 0 } }, \
+ { 1555500000UL, { 1162000, 0, 0 } }, \
+ { 1683000000UL, { 1195000, 0, 0 } }, \
+ { 0UL, { 0, 0, 0 } }, \
+ }
+
+#define CPU_CVB_TABLE_EUCM2_JOINT_RAIL \
+ .speedo_scale = 100, \
+ .voltage_scale = 1000, \
+ .entries = { \
+ { 204000000UL, { 742283, 0, 0 } }, \
+ { 306000000UL, { 776249, 0, 0 } }, \
+ { 408000000UL, { 810215, 0, 0 } }, \
+ { 510000000UL, { 844181, 0, 0 } }, \
+ { 612000000UL, { 878147, 0, 0 } }, \
+ { 714000000UL, { 912113, 0, 0 } }, \
+ { 816000000UL, { 946079, 0, 0 } }, \
+ { 918000000UL, { 980045, 0, 0 } }, \
+ { 1020000000UL, { 1014011, 0, 0 } }, \
+ { 1122000000UL, { 1047977, 0, 0 } }, \
+ { 1224000000UL, { 1081943, 0, 0 } }, \
+ { 1326000000UL, { 1090000, 0, 0 } }, \
+ { 1479000000UL, { 1090000, 0, 0 } }, \
+ { 1504500000UL, { 1120000, 0, 0 } }, \
+ { 0UL, { 0, 0, 0 } }, \
+ }
+
+#define CPU_CVB_TABLE_ODN \
+ .speedo_scale = 100, \
+ .voltage_scale = 1000, \
+ .entries = { \
+ { 204000000UL, { 721094, 0, 0 } }, \
+ { 306000000UL, { 754040, 0, 0 } }, \
+ { 408000000UL, { 786986, 0, 0 } }, \
+ { 510000000UL, { 819932, 0, 0 } }, \
+ { 612000000UL, { 852878, 0, 0 } }, \
+ { 714000000UL, { 885824, 0, 0 } }, \
+ { 816000000UL, { 918770, 0, 0 } }, \
+ { 918000000UL, { 915716, 0, 0 } }, \
+ { 1020000000UL, { 984662, 0, 0 } }, \
+ { 1122000000UL, { 1017608, 0, 0 } }, \
+ { 1224000000UL, { 1050554, 0, 0 } }, \
+ { 1326000000UL, { 1083500, 0, 0 } }, \
+ { 1428000000UL, { 1116446, 0, 0 } }, \
+ { 1581000000UL, { 1130000, 0, 0 } }, \
+ { 1683000000UL, { 1168000, 0, 0 } }, \
+ { 1785000000UL, { 1227500, 0, 0 } }, \
+ { 0UL, { 0, 0, 0 } }, \
+ }
+
+static struct cvb_table tegra210_cpu_cvb_tables[] = {
+ {
+ .speedo_id = 10,
+ .process_id = 0,
+ .min_millivolts = 840,
+ .max_millivolts = 1120,
+ CPU_CVB_TABLE_EUCM2_JOINT_RAIL,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune0_high = 0xffead0ff,
+ .tune1 = 0x20091d9,
+ .tune_high_min_millivolts = 864,
+ }
+ },
+ {
+ .speedo_id = 10,
+ .process_id = 1,
+ .min_millivolts = 840,
+ .max_millivolts = 1120,
+ CPU_CVB_TABLE_EUCM2_JOINT_RAIL,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune0_high = 0xffead0ff,
+ .tune1 = 0x20091d9,
+ .tune_high_min_millivolts = 864,
+ }
+ },
+ {
+ .speedo_id = 9,
+ .process_id = 0,
+ .min_millivolts = 900,
+ .max_millivolts = 1162,
+ CPU_CVB_TABLE_EUCM2,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune0_high = 0xffead0ff,
+ .tune1 = 0x20091d9,
+ }
+ },
+ {
+ .speedo_id = 9,
+ .process_id = 1,
+ .min_millivolts = 900,
+ .max_millivolts = 1162,
+ CPU_CVB_TABLE_EUCM2,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune0_high = 0xffead0ff,
+ .tune1 = 0x20091d9,
+ }
+ },
+ {
+ .speedo_id = 8,
+ .process_id = 0,
+ .min_millivolts = 900,
+ .max_millivolts = 1195,
+ CPU_CVB_TABLE_EUCM2,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune0_high = 0xffead0ff,
+ .tune1 = 0x20091d9,
+ }
+ },
+ {
+ .speedo_id = 8,
+ .process_id = 1,
+ .min_millivolts = 900,
+ .max_millivolts = 1195,
+ CPU_CVB_TABLE_EUCM2,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune0_high = 0xffead0ff,
+ .tune1 = 0x20091d9,
+ }
+ },
+ {
+ .speedo_id = 7,
+ .process_id = 0,
+ .min_millivolts = 841,
+ .max_millivolts = 1227,
+ CPU_CVB_TABLE_EUCM1,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune0_high = 0xffead0ff,
+ .tune1 = 0x20091d9,
+ .tune_high_min_millivolts = 864,
+ }
+ },
+ {
+ .speedo_id = 7,
+ .process_id = 1,
+ .min_millivolts = 841,
+ .max_millivolts = 1227,
+ CPU_CVB_TABLE_EUCM1,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune0_high = 0xffead0ff,
+ .tune1 = 0x20091d9,
+ .tune_high_min_millivolts = 864,
+ }
+ },
+ {
+ .speedo_id = 6,
+ .process_id = 0,
+ .min_millivolts = 870,
+ .max_millivolts = 1150,
+ CPU_CVB_TABLE,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune1 = 0x20091d9,
+ }
+ },
+ {
+ .speedo_id = 6,
+ .process_id = 1,
+ .min_millivolts = 870,
+ .max_millivolts = 1150,
+ CPU_CVB_TABLE,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune1 = 0x25501d0,
+ }
+ },
+ {
+ .speedo_id = 5,
+ .process_id = 0,
+ .min_millivolts = 818,
+ .max_millivolts = 1227,
+ CPU_CVB_TABLE,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune0_high = 0xffead0ff,
+ .tune1 = 0x20091d9,
+ .tune_high_min_millivolts = 864,
+ }
+ },
+ {
+ .speedo_id = 5,
+ .process_id = 1,
+ .min_millivolts = 818,
+ .max_millivolts = 1227,
+ CPU_CVB_TABLE,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune0_high = 0xffead0ff,
+ .tune1 = 0x25501d0,
+ .tune_high_min_millivolts = 864,
+ }
+ },
+ {
+ .speedo_id = 4,
+ .process_id = -1,
+ .min_millivolts = 918,
+ .max_millivolts = 1113,
+ CPU_CVB_TABLE_XA,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune1 = 0x17711BD,
+ }
+ },
+ {
+ .speedo_id = 3,
+ .process_id = 0,
+ .min_millivolts = 825,
+ .max_millivolts = 1227,
+ CPU_CVB_TABLE_ODN,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune0_high = 0xffead0ff,
+ .tune1 = 0x20091d9,
+ .tune_high_min_millivolts = 864,
+ }
+ },
+ {
+ .speedo_id = 3,
+ .process_id = 1,
+ .min_millivolts = 825,
+ .max_millivolts = 1227,
+ CPU_CVB_TABLE_ODN,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune0_high = 0xffead0ff,
+ .tune1 = 0x25501d0,
+ .tune_high_min_millivolts = 864,
+ }
+ },
+ {
+ .speedo_id = 2,
+ .process_id = 0,
+ .min_millivolts = 870,
+ .max_millivolts = 1227,
+ CPU_CVB_TABLE,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune1 = 0x20091d9,
+ }
+ },
+ {
+ .speedo_id = 2,
+ .process_id = 1,
+ .min_millivolts = 870,
+ .max_millivolts = 1227,
+ CPU_CVB_TABLE,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune1 = 0x25501d0,
+ }
+ },
+ {
+ .speedo_id = 1,
+ .process_id = 0,
+ .min_millivolts = 837,
+ .max_millivolts = 1227,
+ CPU_CVB_TABLE,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune0_high = 0xffead0ff,
+ .tune1 = 0x20091d9,
+ .tune_high_min_millivolts = 864,
+ }
+ },
+ {
+ .speedo_id = 1,
+ .process_id = 1,
+ .min_millivolts = 837,
+ .max_millivolts = 1227,
+ CPU_CVB_TABLE,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune0_high = 0xffead0ff,
+ .tune1 = 0x25501d0,
+ .tune_high_min_millivolts = 864,
+ }
+ },
+ {
+ .speedo_id = 0,
+ .process_id = 0,
+ .min_millivolts = 850,
+ .max_millivolts = 1170,
+ CPU_CVB_TABLE,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune0_high = 0xffead0ff,
+ .tune1 = 0x20091d9,
+ .tune_high_min_millivolts = 864,
+ }
+ },
+ {
+ .speedo_id = 0,
+ .process_id = 1,
+ .min_millivolts = 850,
+ .max_millivolts = 1170,
+ CPU_CVB_TABLE,
+ .cpu_dfll_data = {
+ .tune0_low = 0xffead0ff,
+ .tune0_high = 0xffead0ff,
+ .tune1 = 0x25501d0,
+ .tune_high_min_millivolts = 864,
+ }
+ },
+};
+
+static const struct dfll_fcpu_data tegra124_dfll_fcpu_data = {
+ .cpu_max_freq_table = tegra124_cpu_max_freq_table,
+ .cpu_max_freq_table_size = ARRAY_SIZE(tegra124_cpu_max_freq_table),
+ .cpu_cvb_tables = tegra124_cpu_cvb_tables,
+ .cpu_cvb_tables_size = ARRAY_SIZE(tegra124_cpu_cvb_tables)
+};
+
+static const struct dfll_fcpu_data tegra210_dfll_fcpu_data = {
+ .cpu_max_freq_table = tegra210_cpu_max_freq_table,
+ .cpu_max_freq_table_size = ARRAY_SIZE(tegra210_cpu_max_freq_table),
+ .cpu_cvb_tables = tegra210_cpu_cvb_tables,
+ .cpu_cvb_tables_size = ARRAY_SIZE(tegra210_cpu_cvb_tables),
+};
+
+static const struct of_device_id tegra124_dfll_fcpu_of_match[] = {
+ {
+ .compatible = "nvidia,tegra124-dfll",
+ .data = &tegra124_dfll_fcpu_data,
+ },
+ {
+ .compatible = "nvidia,tegra210-dfll",
+ .data = &tegra210_dfll_fcpu_data
+ },
+ { },
+};
+
+static void get_alignment_from_dt(struct device *dev,
+ struct rail_alignment *align)
+{
+ if (of_property_read_u32(dev->of_node,
+ "nvidia,pwm-voltage-step-microvolts",
+ &align->step_uv))
+ align->step_uv = 0;
+
+ if (of_property_read_u32(dev->of_node,
+ "nvidia,pwm-min-microvolts",
+ &align->offset_uv))
+ align->offset_uv = 0;
+}
+
+static int get_alignment_from_regulator(struct device *dev,
+ struct rail_alignment *align)
+{
+ struct regulator *reg = devm_regulator_get(dev, "vdd-cpu");
+
+ if (IS_ERR(reg))
+ return PTR_ERR(reg);
+
+ align->offset_uv = regulator_list_voltage(reg, 0);
+ align->step_uv = regulator_get_linear_step(reg);
+
+ devm_regulator_put(reg);
+
+ return 0;
+}
+
static int tegra124_dfll_fcpu_probe(struct platform_device *pdev)
{
int process_id, speedo_id, speedo_value, err;
struct tegra_dfll_soc_data *soc;
+ const struct dfll_fcpu_data *fcpu_data;
+ struct rail_alignment align;
+
+ fcpu_data = of_device_get_match_data(&pdev->dev);
+ if (!fcpu_data)
+ return -ENODEV;
process_id = tegra_sku_info.cpu_process_id;
speedo_id = tegra_sku_info.cpu_speedo_id;
speedo_value = tegra_sku_info.cpu_speedo_value;
- if (speedo_id >= ARRAY_SIZE(cpu_max_freq_table)) {
+ if (speedo_id >= fcpu_data->cpu_max_freq_table_size) {
dev_err(&pdev->dev, "unknown max CPU freq for speedo_id=%d\n",
speedo_id);
return -ENODEV;
@@ -107,12 +590,22 @@ static int tegra124_dfll_fcpu_probe(struct platform_device *pdev)
return -ENODEV;
}
- soc->max_freq = cpu_max_freq_table[speedo_id];
+ if (of_property_read_bool(pdev->dev.of_node, "nvidia,pwm-to-pmic")) {
+ get_alignment_from_dt(&pdev->dev, &align);
+ } else {
+ err = get_alignment_from_regulator(&pdev->dev, &align);
+ if (err)
+ return err;
+ }
+
+ soc->max_freq = fcpu_data->cpu_max_freq_table[speedo_id];
+
+ soc->cvb = tegra_cvb_add_opp_table(soc->dev, fcpu_data->cpu_cvb_tables,
+ fcpu_data->cpu_cvb_tables_size,
+ &align, process_id, speedo_id,
+ speedo_value, soc->max_freq);
+ soc->alignment = align;
- soc->cvb = tegra_cvb_add_opp_table(soc->dev, tegra124_cpu_cvb_tables,
- ARRAY_SIZE(tegra124_cpu_cvb_tables),
- process_id, speedo_id, speedo_value,
- soc->max_freq);
if (IS_ERR(soc->cvb)) {
dev_err(&pdev->dev, "couldn't add OPP table: %ld\n",
PTR_ERR(soc->cvb));
@@ -133,20 +626,17 @@ static int tegra124_dfll_fcpu_remove(struct platform_device *pdev)
struct tegra_dfll_soc_data *soc;
soc = tegra_dfll_unregister(pdev);
- if (IS_ERR(soc))
+ if (IS_ERR(soc)) {
dev_err(&pdev->dev, "failed to unregister DFLL: %ld\n",
PTR_ERR(soc));
+ return PTR_ERR(soc);
+ }
tegra_cvb_remove_opp_table(soc->dev, soc->cvb, soc->max_freq);
return 0;
}
-static const struct of_device_id tegra124_dfll_fcpu_of_match[] = {
- { .compatible = "nvidia,tegra124-dfll", },
- { },
-};
-
static const struct dev_pm_ops tegra124_dfll_pm_ops = {
SET_RUNTIME_PM_OPS(tegra_dfll_runtime_suspend,
tegra_dfll_runtime_resume, NULL)
diff --git a/drivers/clk/tegra/cvb.c b/drivers/clk/tegra/cvb.c
index da9e8e7b5ce5..35eeb6adc68e 100644
--- a/drivers/clk/tegra/cvb.c
+++ b/drivers/clk/tegra/cvb.c
@@ -1,7 +1,7 @@
/*
* Utility functions for parsing Tegra CVB voltage tables
*
- * Copyright (C) 2012-2014 NVIDIA Corporation. All rights reserved.
+ * Copyright (C) 2012-2019 NVIDIA Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -62,9 +62,9 @@ static int round_voltage(int mv, const struct rail_alignment *align, int up)
}
static int build_opp_table(struct device *dev, const struct cvb_table *table,
+ struct rail_alignment *align,
int speedo_value, unsigned long max_freq)
{
- const struct rail_alignment *align = &table->alignment;
int i, ret, dfll_mv, min_mv, max_mv;
min_mv = round_voltage(table->min_millivolts, align, UP);
@@ -109,8 +109,9 @@ static int build_opp_table(struct device *dev, const struct cvb_table *table,
*/
const struct cvb_table *
tegra_cvb_add_opp_table(struct device *dev, const struct cvb_table *tables,
- size_t count, int process_id, int speedo_id,
- int speedo_value, unsigned long max_freq)
+ size_t count, struct rail_alignment *align,
+ int process_id, int speedo_id, int speedo_value,
+ unsigned long max_freq)
{
size_t i;
int ret;
@@ -124,7 +125,8 @@ tegra_cvb_add_opp_table(struct device *dev, const struct cvb_table *tables,
if (table->process_id != -1 && table->process_id != process_id)
continue;
- ret = build_opp_table(dev, table, speedo_value, max_freq);
+ ret = build_opp_table(dev, table, align, speedo_value,
+ max_freq);
return ret ? ERR_PTR(ret) : table;
}
diff --git a/drivers/clk/tegra/cvb.h b/drivers/clk/tegra/cvb.h
index c1f077993b2a..91a1941c21ef 100644
--- a/drivers/clk/tegra/cvb.h
+++ b/drivers/clk/tegra/cvb.h
@@ -41,6 +41,7 @@ struct cvb_cpu_dfll_data {
u32 tune0_low;
u32 tune0_high;
u32 tune1;
+ unsigned int tune_high_min_millivolts;
};
struct cvb_table {
@@ -49,7 +50,6 @@ struct cvb_table {
int min_millivolts;
int max_millivolts;
- struct rail_alignment alignment;
int speedo_scale;
int voltage_scale;
@@ -59,8 +59,9 @@ struct cvb_table {
const struct cvb_table *
tegra_cvb_add_opp_table(struct device *dev, const struct cvb_table *cvb_tables,
- size_t count, int process_id, int speedo_id,
- int speedo_value, unsigned long max_freq);
+ size_t count, struct rail_alignment *align,
+ int process_id, int speedo_id, int speedo_value,
+ unsigned long max_freq);
void tegra_cvb_remove_opp_table(struct device *dev,
const struct cvb_table *table,
unsigned long max_freq);
diff --git a/drivers/clk/ti/divider.c b/drivers/clk/ti/divider.c
index 8d77090ad94a..0241450f3eb3 100644
--- a/drivers/clk/ti/divider.c
+++ b/drivers/clk/ti/divider.c
@@ -403,8 +403,10 @@ int ti_clk_parse_divider_data(int *div_table, int num_dividers, int max_div,
num_dividers = i;
tmp = kcalloc(valid_div + 1, sizeof(*tmp), GFP_KERNEL);
- if (!tmp)
+ if (!tmp) {
+ *table = ERR_PTR(-ENOMEM);
return -ENOMEM;
+ }
valid_div = 0;
*width = 0;
@@ -439,6 +441,7 @@ struct clk_hw *ti_clk_build_component_div(struct ti_clk_divider *setup)
{
struct clk_omap_divider *div;
struct clk_omap_reg *reg;
+ int ret;
if (!setup)
return NULL;
@@ -458,6 +461,12 @@ struct clk_hw *ti_clk_build_component_div(struct ti_clk_divider *setup)
div->flags |= CLK_DIVIDER_POWER_OF_TWO;
div->table = _get_div_table_from_setup(setup, &div->width);
+ if (IS_ERR(div->table)) {
+ ret = PTR_ERR(div->table);
+ kfree(div);
+ return ERR_PTR(ret);
+ }
+
div->shift = setup->bit_shift;
div->latch = -EINVAL;
diff --git a/drivers/clk/zynqmp/clkc.c b/drivers/clk/zynqmp/clkc.c
index f65cc0ff76ab..b0908ec62f73 100644
--- a/drivers/clk/zynqmp/clkc.c
+++ b/drivers/clk/zynqmp/clkc.c
@@ -669,8 +669,8 @@ static int zynqmp_clk_setup(struct device_node *np)
if (ret)
return ret;
- zynqmp_data = kzalloc(sizeof(*zynqmp_data) + sizeof(*zynqmp_data) *
- clock_max_idx, GFP_KERNEL);
+ zynqmp_data = kzalloc(struct_size(zynqmp_data, hws, clock_max_idx),
+ GFP_KERNEL);
if (!zynqmp_data)
return -ENOMEM;
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-22 04:46:46 +0300