diff options
| -rw-r--r-- | Documentation/devicetree/bindings/cpufreq/ti-cpufreq.txt | 6 | ||||
| -rw-r--r-- | drivers/cpufreq/ti-cpufreq.c | 12 |
2 files changed, 15 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/cpufreq/ti-cpufreq.txt b/Documentation/devicetree/bindings/cpufreq/ti-cpufreq.txt index 0c38e4b8fc51..1758051798fe 100644 --- a/Documentation/devicetree/bindings/cpufreq/ti-cpufreq.txt +++ b/Documentation/devicetree/bindings/cpufreq/ti-cpufreq.txt @@ -15,12 +15,16 @@ In 'cpus' nodes: In 'operating-points-v2' table: - compatible: Should be - - 'operating-points-v2-ti-cpu' for am335x, am43xx, and dra7xx/am57xx SoCs + - 'operating-points-v2-ti-cpu' for am335x, am43xx, and dra7xx/am57xx, + omap34xx, omap36xx and am3517 SoCs - syscon: A phandle pointing to a syscon node representing the control module register space of the SoC. Optional properties: -------------------- +- "vdd-supply", "vbb-supply": to define two regulators for dra7xx +- "cpu0-supply", "vbb-supply": to define two regulators for omap36xx + For each opp entry in 'operating-points-v2' table: - opp-supported-hw: Two bitfields indicating: 1. Which revision of the SoC the OPP is supported by diff --git a/drivers/cpufreq/ti-cpufreq.c b/drivers/cpufreq/ti-cpufreq.c index 13d426559333..a161098652e2 100644 --- a/drivers/cpufreq/ti-cpufreq.c +++ b/drivers/cpufreq/ti-cpufreq.c @@ -41,6 +41,7 @@ struct ti_cpufreq_data; struct ti_cpufreq_soc_data { + const char * const *reg_names; unsigned long (*efuse_xlate)(struct ti_cpufreq_data *opp_data, unsigned long efuse); unsigned long efuse_fallback; @@ -165,7 +166,10 @@ static struct ti_cpufreq_soc_data omap34xx_soc_data = { * seems to always read as 0). */ +static const char * const omap3_reg_names[] = {"cpu0", "vbb"}; + static struct ti_cpufreq_soc_data omap36xx_soc_data = { + .reg_names = omap3_reg_names, .efuse_xlate = omap3_efuse_xlate, .efuse_offset = OMAP3_CONTROL_DEVICE_STATUS - OMAP3_SYSCON_BASE, .efuse_shift = 9, @@ -299,7 +303,7 @@ static int ti_cpufreq_probe(struct platform_device *pdev) const struct of_device_id *match; struct opp_table *ti_opp_table; struct ti_cpufreq_data *opp_data; - const char * const reg_names[] = {"vdd", "vbb"}; + const char * const default_reg_names[] = {"vdd", "vbb"}; int ret; match = dev_get_platdata(&pdev->dev); @@ -355,9 +359,13 @@ static int ti_cpufreq_probe(struct platform_device *pdev) opp_data->opp_table = ti_opp_table; if (opp_data->soc_data->multi_regulator) { + const char * const *reg_names = default_reg_names; + + if (opp_data->soc_data->reg_names) + reg_names = opp_data->soc_data->reg_names; ti_opp_table = dev_pm_opp_set_regulators(opp_data->cpu_dev, reg_names, - ARRAY_SIZE(reg_names)); + ARRAY_SIZE(default_reg_names)); if (IS_ERR(ti_opp_table)) { dev_pm_opp_put_supported_hw(opp_data->opp_table); ret = PTR_ERR(ti_opp_table); |