pwm: lpss: Support all four PWMs on Intel Broxton

Intel Broxton has similar PWM than Intel Braswell but instead of one it has
four PWMs included in one PCI/ACPI device. This patch adds support for all
the four PWMs and changes the PCI part of the driver to use
'pwm_lpss_bxt_info' instead.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/drivers/pwm/pwm-lpss-pci.c b/drivers/pwm/pwm-lpss-pci.c
index 45042c1..6432a0b 100644 (file)
--- a/drivers/pwm/pwm-lpss-pci.c
+++ b/drivers/pwm/pwm-lpss-pci.c
@@ -44,10 +44,10 @@ static void pwm_lpss_remove_pci(struct pci_dev *pdev)
 }
 
 static const struct pci_device_id pwm_lpss_pci_ids[] = {
-       { PCI_VDEVICE(INTEL, 0x0ac8), (unsigned long)&pwm_lpss_bsw_info},
+       { PCI_VDEVICE(INTEL, 0x0ac8), (unsigned long)&pwm_lpss_bxt_info},
        { PCI_VDEVICE(INTEL, 0x0f08), (unsigned long)&pwm_lpss_byt_info},
        { PCI_VDEVICE(INTEL, 0x0f09), (unsigned long)&pwm_lpss_byt_info},
-       { PCI_VDEVICE(INTEL, 0x1ac8), (unsigned long)&pwm_lpss_bsw_info},
+       { PCI_VDEVICE(INTEL, 0x1ac8), (unsigned long)&pwm_lpss_bxt_info},
        { PCI_VDEVICE(INTEL, 0x2288), (unsigned long)&pwm_lpss_bsw_info},
        { PCI_VDEVICE(INTEL, 0x2289), (unsigned long)&pwm_lpss_bsw_info},
        { },

diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c
index e7392bd..df03b50 100644 (file)
--- a/drivers/pwm/pwm-lpss.c
+++ b/drivers/pwm/pwm-lpss.c
@@ -52,6 +52,13 @@ const struct pwm_lpss_boardinfo pwm_lpss_bsw_info = {
 };
 EXPORT_SYMBOL_GPL(pwm_lpss_bsw_info);
 
+/* Broxton */
+const struct pwm_lpss_boardinfo pwm_lpss_bxt_info = {
+       .clk_rate = 19200000,
+       .npwm = 4,
+};
+EXPORT_SYMBOL_GPL(pwm_lpss_bxt_info);
+
 static inline struct pwm_lpss_chip *to_lpwm(struct pwm_chip *chip)
 {
        return container_of(chip, struct pwm_lpss_chip, chip);

diff --git a/drivers/pwm/pwm-lpss.h b/drivers/pwm/pwm-lpss.h
index 1804383..e8cf337 100644 (file)
--- a/drivers/pwm/pwm-lpss.h
+++ b/drivers/pwm/pwm-lpss.h
@@ -25,6 +25,7 @@ struct pwm_lpss_boardinfo {
 
 extern const struct pwm_lpss_boardinfo pwm_lpss_byt_info;
 extern const struct pwm_lpss_boardinfo pwm_lpss_bsw_info;
+extern const struct pwm_lpss_boardinfo pwm_lpss_bxt_info;
 
 struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r,
                                     const struct pwm_lpss_boardinfo *info);