| Message ID | 20220411200506.22891-4-quic_amelende@quicinc.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | Extend pm8941-pwrkey driver | expand |
On 11/04/2022 23:05, Anjelique Melendez wrote: > Currently, PON address is read from the "reg" property. For PON GEN3, > which starts with PMK8350, the "reg" property will have both the PON > HLOS and PON PBS addesses defined. Add support so that all PON > generations can be configured. > > Signed-off-by: Anjelique Melendez <quic_amelende@quicinc.com> > Reviewed-by: Stephen Boyd <swboyd@chromium.org> > --- > drivers/input/misc/pm8941-pwrkey.c | 31 +++++++++++++++++++++++------- > 1 file changed, 24 insertions(+), 7 deletions(-) > > diff --git a/drivers/input/misc/pm8941-pwrkey.c b/drivers/input/misc/pm8941-pwrkey.c > index e0240db12d4f..43106e4cfd23 100644 > --- a/drivers/input/misc/pm8941-pwrkey.c > +++ b/drivers/input/misc/pm8941-pwrkey.c > @@ -12,6 +12,7 @@ > #include <linux/log2.h> > #include <linux/module.h> > #include <linux/of.h> > +#include <linux/of_address.h> > #include <linux/of_device.h> > #include <linux/platform_device.h> > #include <linux/reboot.h> > @@ -44,6 +45,7 @@ struct pm8941_data { > unsigned int status_bit; > bool supports_ps_hold_poff_config; > bool supports_debounce_config; > + bool has_pon_pbs; > const char *name; > const char *phys; > }; > @@ -52,6 +54,7 @@ struct pm8941_pwrkey { > struct device *dev; > int irq; > u32 baseaddr; > + u32 pon_pbs_baseaddr; > struct regmap *regmap; > struct input_dev *input; > > @@ -167,6 +170,8 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) > struct pm8941_pwrkey *pwrkey; > bool pull_up; > struct device *parent; > + struct device_node *regmap_node; > + const __be32 *addr; > u32 req_delay; > int error; > > @@ -188,8 +193,10 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) > pwrkey->data = of_device_get_match_data(&pdev->dev); > > parent = pdev->dev.parent; > + regmap_node = pdev->dev.of_node; > pwrkey->regmap = dev_get_regmap(parent, NULL); > if (!pwrkey->regmap) { > + regmap_node = parent->of_node; > /* > * We failed to get regmap for parent. Let's see if we are > * a child of pon node and read regmap and reg from its > @@ -200,15 +207,21 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) > dev_err(&pdev->dev, "failed to locate regmap\n"); > return -ENODEV; > } > + } > > - error = of_property_read_u32(parent->of_node, > - "reg", &pwrkey->baseaddr); > - } else { > - error = of_property_read_u32(pdev->dev.of_node, "reg", > - &pwrkey->baseaddr); > + addr = of_get_address(regmap_node, 0, NULL, NULL); > + if (!addr) { > + dev_err(&pdev->dev, "reg property missing\n"); > + return -EINVAL; > + } > + pwrkey->baseaddr = be32_to_cpup(addr); > + > + if (pwrkey->data->has_pon_pbs) { > + /* PON_PBS base address is optional */ > + addr = of_get_address(regmap_node, 1, NULL, NULL); > + if (addr) > + pwrkey->pon_pbs_baseaddr = be32_to_cpup(addr); > } > - if (error) > - return error; > > pwrkey->irq = platform_get_irq(pdev, 0); > if (pwrkey->irq < 0) > @@ -316,6 +329,7 @@ static const struct pm8941_data pwrkey_data = { > .phys = "pm8941_pwrkey/input0", > .supports_ps_hold_poff_config = true, > .supports_debounce_config = true, > + .has_pon_pbs = false, > }; > > static const struct pm8941_data resin_data = { > @@ -325,6 +339,7 @@ static const struct pm8941_data resin_data = { > .phys = "pm8941_resin/input0", > .supports_ps_hold_poff_config = true, > .supports_debounce_config = true, > + .has_pon_pbs = false, No need to declare that a field is false. Just skip this completely. > }; > > static const struct pm8941_data pon_gen3_pwrkey_data = { > @@ -333,6 +348,7 @@ static const struct pm8941_data pon_gen3_pwrkey_data = { > .phys = "pmic_pwrkey/input0", > .supports_ps_hold_poff_config = false, > .supports_debounce_config = false, > + .has_pon_pbs = true, > }; > > static const struct pm8941_data pon_gen3_resin_data = { > @@ -341,6 +357,7 @@ static const struct pm8941_data pon_gen3_resin_data = { > .phys = "pmic_resin/input0", > .supports_ps_hold_poff_config = false, > .supports_debounce_config = false, > + .has_pon_pbs = true, > }; > > static const struct of_device_id pm8941_pwr_key_id_table[] = {
On 4/14/2022 2:18 PM, Dmitry Baryshkov wrote: > On 11/04/2022 23:05, Anjelique Melendez wrote: >> Currently, PON address is read from the "reg" property. For PON GEN3, >> which starts with PMK8350, the "reg" property will have both the PON >> HLOS and PON PBS addesses defined. Add support so that all PON >> generations can be configured. >> >> Signed-off-by: Anjelique Melendez <quic_amelende@quicinc.com> >> Reviewed-by: Stephen Boyd <swboyd@chromium.org> >> --- >> drivers/input/misc/pm8941-pwrkey.c | 31 +++++++++++++++++++++++------- >> 1 file changed, 24 insertions(+), 7 deletions(-) >> >> diff --git a/drivers/input/misc/pm8941-pwrkey.c b/drivers/input/misc/pm8941-pwrkey.c >> index e0240db12d4f..43106e4cfd23 100644 >> --- a/drivers/input/misc/pm8941-pwrkey.c >> +++ b/drivers/input/misc/pm8941-pwrkey.c >> @@ -12,6 +12,7 @@ >> #include <linux/log2.h> >> #include <linux/module.h> >> #include <linux/of.h> >> +#include <linux/of_address.h> >> #include <linux/of_device.h> >> #include <linux/platform_device.h> >> #include <linux/reboot.h> >> @@ -44,6 +45,7 @@ struct pm8941_data { >> unsigned int status_bit; >> bool supports_ps_hold_poff_config; >> bool supports_debounce_config; >> + bool has_pon_pbs; >> const char *name; >> const char *phys; >> }; >> @@ -52,6 +54,7 @@ struct pm8941_pwrkey { >> struct device *dev; >> int irq; >> u32 baseaddr; >> + u32 pon_pbs_baseaddr; >> struct regmap *regmap; >> struct input_dev *input; >> @@ -167,6 +170,8 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) >> struct pm8941_pwrkey *pwrkey; >> bool pull_up; >> struct device *parent; >> + struct device_node *regmap_node; >> + const __be32 *addr; >> u32 req_delay; >> int error; >> @@ -188,8 +193,10 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) >> pwrkey->data = of_device_get_match_data(&pdev->dev); >> parent = pdev->dev.parent; >> + regmap_node = pdev->dev.of_node; >> pwrkey->regmap = dev_get_regmap(parent, NULL); >> if (!pwrkey->regmap) { >> + regmap_node = parent->of_node; >> /* >> * We failed to get regmap for parent. Let's see if we are >> * a child of pon node and read regmap and reg from its >> @@ -200,15 +207,21 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) >> dev_err(&pdev->dev, "failed to locate regmap\n"); >> return -ENODEV; >> } >> + } >> - error = of_property_read_u32(parent->of_node, >> - "reg", &pwrkey->baseaddr); >> - } else { >> - error = of_property_read_u32(pdev->dev.of_node, "reg", >> - &pwrkey->baseaddr); >> + addr = of_get_address(regmap_node, 0, NULL, NULL); >> + if (!addr) { >> + dev_err(&pdev->dev, "reg property missing\n"); >> + return -EINVAL; >> + } >> + pwrkey->baseaddr = be32_to_cpup(addr); >> + >> + if (pwrkey->data->has_pon_pbs) { >> + /* PON_PBS base address is optional */ >> + addr = of_get_address(regmap_node, 1, NULL, NULL); >> + if (addr) >> + pwrkey->pon_pbs_baseaddr = be32_to_cpup(addr); >> } >> - if (error) >> - return error; >> pwrkey->irq = platform_get_irq(pdev, 0); >> if (pwrkey->irq < 0) >> @@ -316,6 +329,7 @@ static const struct pm8941_data pwrkey_data = { >> .phys = "pm8941_pwrkey/input0", >> .supports_ps_hold_poff_config = true, >> .supports_debounce_config = true, >> + .has_pon_pbs = false, >> }; >> static const struct pm8941_data resin_data = { >> @@ -325,6 +339,7 @@ static const struct pm8941_data resin_data = { >> .phys = "pm8941_resin/input0", >> .supports_ps_hold_poff_config = true, >> .supports_debounce_config = true, >> + .has_pon_pbs = false, > > No need to declare that a field is false. Just skip this completely. ACK. Will get rid in next version. > >> }; >> static const struct pm8941_data pon_gen3_pwrkey_data = { >> @@ -333,6 +348,7 @@ static const struct pm8941_data pon_gen3_pwrkey_data = { >> .phys = "pmic_pwrkey/input0", >> .supports_ps_hold_poff_config = false, >> .supports_debounce_config = false, >> + .has_pon_pbs = true, >> }; >> static const struct pm8941_data pon_gen3_resin_data = { >> @@ -341,6 +357,7 @@ static const struct pm8941_data pon_gen3_resin_data = { >> .phys = "pmic_resin/input0", >> .supports_ps_hold_poff_config = false, >> .supports_debounce_config = false, >> + .has_pon_pbs = true, >> }; >> static const struct of_device_id pm8941_pwr_key_id_table[] = { > >
diff --git a/drivers/input/misc/pm8941-pwrkey.c b/drivers/input/misc/pm8941-pwrkey.c index e0240db12d4f..43106e4cfd23 100644 --- a/drivers/input/misc/pm8941-pwrkey.c +++ b/drivers/input/misc/pm8941-pwrkey.c @@ -12,6 +12,7 @@ #include <linux/log2.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/of_address.h> #include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/reboot.h> @@ -44,6 +45,7 @@ struct pm8941_data { unsigned int status_bit; bool supports_ps_hold_poff_config; bool supports_debounce_config; + bool has_pon_pbs; const char *name; const char *phys; }; @@ -52,6 +54,7 @@ struct pm8941_pwrkey { struct device *dev; int irq; u32 baseaddr; + u32 pon_pbs_baseaddr; struct regmap *regmap; struct input_dev *input; @@ -167,6 +170,8 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) struct pm8941_pwrkey *pwrkey; bool pull_up; struct device *parent; + struct device_node *regmap_node; + const __be32 *addr; u32 req_delay; int error; @@ -188,8 +193,10 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) pwrkey->data = of_device_get_match_data(&pdev->dev); parent = pdev->dev.parent; + regmap_node = pdev->dev.of_node; pwrkey->regmap = dev_get_regmap(parent, NULL); if (!pwrkey->regmap) { + regmap_node = parent->of_node; /* * We failed to get regmap for parent. Let's see if we are * a child of pon node and read regmap and reg from its @@ -200,15 +207,21 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) dev_err(&pdev->dev, "failed to locate regmap\n"); return -ENODEV; } + } - error = of_property_read_u32(parent->of_node, - "reg", &pwrkey->baseaddr); - } else { - error = of_property_read_u32(pdev->dev.of_node, "reg", - &pwrkey->baseaddr); + addr = of_get_address(regmap_node, 0, NULL, NULL); + if (!addr) { + dev_err(&pdev->dev, "reg property missing\n"); + return -EINVAL; + } + pwrkey->baseaddr = be32_to_cpup(addr); + + if (pwrkey->data->has_pon_pbs) { + /* PON_PBS base address is optional */ + addr = of_get_address(regmap_node, 1, NULL, NULL); + if (addr) + pwrkey->pon_pbs_baseaddr = be32_to_cpup(addr); } - if (error) - return error; pwrkey->irq = platform_get_irq(pdev, 0); if (pwrkey->irq < 0) @@ -316,6 +329,7 @@ static const struct pm8941_data pwrkey_data = { .phys = "pm8941_pwrkey/input0", .supports_ps_hold_poff_config = true, .supports_debounce_config = true, + .has_pon_pbs = false, }; static const struct pm8941_data resin_data = { @@ -325,6 +339,7 @@ static const struct pm8941_data resin_data = { .phys = "pm8941_resin/input0", .supports_ps_hold_poff_config = true, .supports_debounce_config = true, + .has_pon_pbs = false, }; static const struct pm8941_data pon_gen3_pwrkey_data = { @@ -333,6 +348,7 @@ static const struct pm8941_data pon_gen3_pwrkey_data = { .phys = "pmic_pwrkey/input0", .supports_ps_hold_poff_config = false, .supports_debounce_config = false, + .has_pon_pbs = true, }; static const struct pm8941_data pon_gen3_resin_data = { @@ -341,6 +357,7 @@ static const struct pm8941_data pon_gen3_resin_data = { .phys = "pmic_resin/input0", .supports_ps_hold_poff_config = false, .supports_debounce_config = false, + .has_pon_pbs = true, }; static const struct of_device_id pm8941_pwr_key_id_table[] = {