forked from luck/tmp_suning_uos_patched
pwm: Changes for v4.15-rc1
The changes for this release include power management improvements for the pwm-img driver, support for the backup mode on pwm-atmel-tcb as well as support for more hardware with the R-Car and Mediatek drivers. To round things off there's a bit of cleanup for sunxi and stm32-lp. -----BEGIN PGP SIGNATURE----- iQJNBAABCAA3FiEEiOrDCAFJzPfAjcif3SOs138+s6EFAloVVScZHHRoaWVycnku cmVkaW5nQGdtYWlsLmNvbQAKCRDdI6zXfz6zoYitD/9e9MWl5VW4Bz6FHfh1uKNB cwdgTHj4JE/7LA/p2hP7Zzs5xx1Blyf3TDjr2LFB/C6tWVRfve8TN6y4L3Md6Rv/ gdV2Sy9Hg02kMCiLyPihpFKx4aMoiiB3g0nygG5pC/etX6PB+mmH4XocnjpuHOGf s1f2JULEm2C1nfYqzmhGBTiiwSOAPMfPdhvGvS2ydrW5HoCYJ+tK3hnWXBJjYUyk R5zHr7blqT5f7FzA9Rx+5UY5vQlISwUfvdi/EHT7ighgF/dggaBWKuK+R0sCEhq1 AdyrgEEJsXeh9XcCdfKveEJKu8I6zROYeBfrxeZr2Kzl2mTx6a3U0vviI0hLZSPh IrLyo3MnIVcTuZyII07jjM9KePnOYuDjjMc9qDP5QrNJHZI66Qf0f3wzg1QIIW5D +3LXFnlWH59fHwvb80vpSVgI0S9T76W2tLqQfM/pKdOiwYs+A10cQvTwvUHMTerl zHJ4DdEugLoZzJaZto29ilP7DygMjmDkFPh4z9f92d94JskXFfsEU3oSclggMXFy 2xzAm5bNwLibBgwThXUVmP/rR3AFQXDGvjPPK1DIhQxjJb6gjgQNLOvPfgN+kx65 kjc20jEpJxpnXk7y6kecLEEdxO/o/GdysfGfdk/BlOsBMV/BmVX0igpaal9fOqQp 34P+xRbpnmuKU4E8TpT43w== =HLrm -----END PGP SIGNATURE----- Merge tag 'pwm/for-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm Pull pwm updates from Thierry Reding: "The changes for this release include power management improvements for the pwm-img driver, support for the backup mode on pwm-atmel-tcb as well as support for more hardware with the R-Car and Mediatek drivers. To round things off there's a bit of cleanup for sunxi and stm32-lp" * tag 'pwm/for-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: pwm: stm32-lp: Remove pwm_is_enabled() check before calling pwm_disable() pwm: mediatek: Add MT2712/MT7622 support pwm: sunxi: Use of_device_get_match_data() pwm: atmel-tcb: Support backup mode dt-bindings: pwm: Add R-Car D3 device tree bindings pwm: img: Add runtime PM pwm: img: Add suspend / resume handling
This commit is contained in:
Linus Torvalds
commit
5a787756b8
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@ -9,6 +9,7 @@ Required Properties:
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- "renesas,pwm-r8a7794": for R-Car E2
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- "renesas,pwm-r8a7795": for R-Car H3
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- "renesas,pwm-r8a7796": for R-Car M3-W
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- "renesas,pwm-r8a77995": for R-Car D3
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- reg: base address and length of the registers block for the PWM.
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- #pwm-cells: should be 2. See pwm.txt in this directory for a description of
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the cells format.
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@ -37,11 +37,20 @@ struct atmel_tcb_pwm_device {
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unsigned period; /* PWM period expressed in clk cycles */
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};
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struct atmel_tcb_channel {
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u32 enabled;
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u32 cmr;
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u32 ra;
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u32 rb;
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u32 rc;
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};
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struct atmel_tcb_pwm_chip {
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struct pwm_chip chip;
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spinlock_t lock;
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struct atmel_tc *tc;
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struct atmel_tcb_pwm_device *pwms[NPWM];
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struct atmel_tcb_channel bkup[NPWM / 2];
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};
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static inline struct atmel_tcb_pwm_chip *to_tcb_chip(struct pwm_chip *chip)
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@ -175,12 +184,15 @@ static void atmel_tcb_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
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* Use software trigger to apply the new setting.
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* If both PWM devices in this group are disabled we stop the clock.
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*/
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if (!(cmr & (ATMEL_TC_ACPC | ATMEL_TC_BCPC)))
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if (!(cmr & (ATMEL_TC_ACPC | ATMEL_TC_BCPC))) {
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__raw_writel(ATMEL_TC_SWTRG | ATMEL_TC_CLKDIS,
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regs + ATMEL_TC_REG(group, CCR));
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else
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tcbpwmc->bkup[group].enabled = 1;
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} else {
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__raw_writel(ATMEL_TC_SWTRG, regs +
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ATMEL_TC_REG(group, CCR));
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tcbpwmc->bkup[group].enabled = 0;
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}
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spin_unlock(&tcbpwmc->lock);
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}
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@ -263,6 +275,7 @@ static int atmel_tcb_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
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/* Use software trigger to apply the new setting */
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__raw_writel(ATMEL_TC_CLKEN | ATMEL_TC_SWTRG,
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regs + ATMEL_TC_REG(group, CCR));
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tcbpwmc->bkup[group].enabled = 1;
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spin_unlock(&tcbpwmc->lock);
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return 0;
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}
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@ -445,10 +458,56 @@ static const struct of_device_id atmel_tcb_pwm_dt_ids[] = {
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};
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MODULE_DEVICE_TABLE(of, atmel_tcb_pwm_dt_ids);
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#ifdef CONFIG_PM_SLEEP
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static int atmel_tcb_pwm_suspend(struct device *dev)
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{
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struct platform_device *pdev = to_platform_device(dev);
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struct atmel_tcb_pwm_chip *tcbpwm = platform_get_drvdata(pdev);
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void __iomem *base = tcbpwm->tc->regs;
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int i;
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for (i = 0; i < (NPWM / 2); i++) {
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struct atmel_tcb_channel *chan = &tcbpwm->bkup[i];
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chan->cmr = readl(base + ATMEL_TC_REG(i, CMR));
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chan->ra = readl(base + ATMEL_TC_REG(i, RA));
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chan->rb = readl(base + ATMEL_TC_REG(i, RB));
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chan->rc = readl(base + ATMEL_TC_REG(i, RC));
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}
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return 0;
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}
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static int atmel_tcb_pwm_resume(struct device *dev)
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{
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struct platform_device *pdev = to_platform_device(dev);
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struct atmel_tcb_pwm_chip *tcbpwm = platform_get_drvdata(pdev);
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void __iomem *base = tcbpwm->tc->regs;
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int i;
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for (i = 0; i < (NPWM / 2); i++) {
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struct atmel_tcb_channel *chan = &tcbpwm->bkup[i];
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writel(chan->cmr, base + ATMEL_TC_REG(i, CMR));
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writel(chan->ra, base + ATMEL_TC_REG(i, RA));
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writel(chan->rb, base + ATMEL_TC_REG(i, RB));
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writel(chan->rc, base + ATMEL_TC_REG(i, RC));
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if (chan->enabled) {
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writel(ATMEL_TC_CLKEN | ATMEL_TC_SWTRG,
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base + ATMEL_TC_REG(i, CCR));
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}
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}
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return 0;
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}
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#endif
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static SIMPLE_DEV_PM_OPS(atmel_tcb_pwm_pm_ops, atmel_tcb_pwm_suspend,
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atmel_tcb_pwm_resume);
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static struct platform_driver atmel_tcb_pwm_driver = {
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.driver = {
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.name = "atmel-tcb-pwm",
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.of_match_table = atmel_tcb_pwm_dt_ids,
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.pm = &atmel_tcb_pwm_pm_ops,
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},
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.probe = atmel_tcb_pwm_probe,
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.remove = atmel_tcb_pwm_remove,
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@ -18,6 +18,7 @@
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/platform_device.h>
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#include <linux/pm_runtime.h>
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#include <linux/pwm.h>
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#include <linux/regmap.h>
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#include <linux/slab.h>
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@ -39,6 +40,8 @@
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#define PERIP_PWM_PDM_CONTROL_CH_MASK 0x1
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#define PERIP_PWM_PDM_CONTROL_CH_SHIFT(ch) ((ch) * 4)
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#define IMG_PWM_PM_TIMEOUT 1000 /* ms */
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/*
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* PWM period is specified with a timebase register,
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* in number of step periods. The PWM duty cycle is also
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@ -52,6 +55,8 @@
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*/
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#define MIN_TMBASE_STEPS 16
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#define IMG_PWM_NPWM 4
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struct img_pwm_soc_data {
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u32 max_timebase;
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};
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@ -66,6 +71,8 @@ struct img_pwm_chip {
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int max_period_ns;
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int min_period_ns;
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const struct img_pwm_soc_data *data;
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u32 suspend_ctrl_cfg;
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u32 suspend_ch_cfg[IMG_PWM_NPWM];
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};
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static inline struct img_pwm_chip *to_img_pwm_chip(struct pwm_chip *chip)
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@ -92,6 +99,7 @@ static int img_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
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unsigned long mul, output_clk_hz, input_clk_hz;
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struct img_pwm_chip *pwm_chip = to_img_pwm_chip(chip);
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unsigned int max_timebase = pwm_chip->data->max_timebase;
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int ret;
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if (period_ns < pwm_chip->min_period_ns ||
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period_ns > pwm_chip->max_period_ns) {
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@ -123,6 +131,10 @@ static int img_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
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duty = DIV_ROUND_UP(timebase * duty_ns, period_ns);
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ret = pm_runtime_get_sync(chip->dev);
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if (ret < 0)
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return ret;
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val = img_pwm_readl(pwm_chip, PWM_CTRL_CFG);
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val &= ~(PWM_CTRL_CFG_DIV_MASK << PWM_CTRL_CFG_DIV_SHIFT(pwm->hwpwm));
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val |= (div & PWM_CTRL_CFG_DIV_MASK) <<
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@ -133,6 +145,9 @@ static int img_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
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(timebase << PWM_CH_CFG_TMBASE_SHIFT);
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img_pwm_writel(pwm_chip, PWM_CH_CFG(pwm->hwpwm), val);
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pm_runtime_mark_last_busy(chip->dev);
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pm_runtime_put_autosuspend(chip->dev);
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return 0;
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}
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@ -140,6 +155,11 @@ static int img_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
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{
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u32 val;
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struct img_pwm_chip *pwm_chip = to_img_pwm_chip(chip);
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int ret;
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ret = pm_runtime_get_sync(chip->dev);
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if (ret < 0)
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return ret;
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val = img_pwm_readl(pwm_chip, PWM_CTRL_CFG);
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val |= BIT(pwm->hwpwm);
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@ -160,6 +180,9 @@ static void img_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
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val = img_pwm_readl(pwm_chip, PWM_CTRL_CFG);
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val &= ~BIT(pwm->hwpwm);
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img_pwm_writel(pwm_chip, PWM_CTRL_CFG, val);
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pm_runtime_mark_last_busy(chip->dev);
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pm_runtime_put_autosuspend(chip->dev);
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}
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static const struct pwm_ops img_pwm_ops = {
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@ -182,6 +205,37 @@ static const struct of_device_id img_pwm_of_match[] = {
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};
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MODULE_DEVICE_TABLE(of, img_pwm_of_match);
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static int img_pwm_runtime_suspend(struct device *dev)
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{
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struct img_pwm_chip *pwm_chip = dev_get_drvdata(dev);
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clk_disable_unprepare(pwm_chip->pwm_clk);
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clk_disable_unprepare(pwm_chip->sys_clk);
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return 0;
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}
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static int img_pwm_runtime_resume(struct device *dev)
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{
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struct img_pwm_chip *pwm_chip = dev_get_drvdata(dev);
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int ret;
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ret = clk_prepare_enable(pwm_chip->sys_clk);
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if (ret < 0) {
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dev_err(dev, "could not prepare or enable sys clock\n");
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return ret;
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}
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ret = clk_prepare_enable(pwm_chip->pwm_clk);
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if (ret < 0) {
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dev_err(dev, "could not prepare or enable pwm clock\n");
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clk_disable_unprepare(pwm_chip->sys_clk);
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return ret;
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}
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return 0;
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}
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static int img_pwm_probe(struct platform_device *pdev)
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{
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int ret;
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@ -224,23 +278,20 @@ static int img_pwm_probe(struct platform_device *pdev)
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return PTR_ERR(pwm->pwm_clk);
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}
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ret = clk_prepare_enable(pwm->sys_clk);
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if (ret < 0) {
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dev_err(&pdev->dev, "could not prepare or enable sys clock\n");
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return ret;
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}
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ret = clk_prepare_enable(pwm->pwm_clk);
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if (ret < 0) {
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dev_err(&pdev->dev, "could not prepare or enable pwm clock\n");
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goto disable_sysclk;
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pm_runtime_set_autosuspend_delay(&pdev->dev, IMG_PWM_PM_TIMEOUT);
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pm_runtime_use_autosuspend(&pdev->dev);
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pm_runtime_enable(&pdev->dev);
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if (!pm_runtime_enabled(&pdev->dev)) {
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ret = img_pwm_runtime_resume(&pdev->dev);
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if (ret)
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goto err_pm_disable;
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}
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clk_rate = clk_get_rate(pwm->pwm_clk);
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if (!clk_rate) {
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dev_err(&pdev->dev, "pwm clock has no frequency\n");
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ret = -EINVAL;
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goto disable_pwmclk;
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goto err_suspend;
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}
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/* The maximum input clock divider is 512 */
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@ -255,21 +306,23 @@ static int img_pwm_probe(struct platform_device *pdev)
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pwm->chip.dev = &pdev->dev;
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pwm->chip.ops = &img_pwm_ops;
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pwm->chip.base = -1;
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pwm->chip.npwm = 4;
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pwm->chip.npwm = IMG_PWM_NPWM;
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|
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ret = pwmchip_add(&pwm->chip);
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if (ret < 0) {
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dev_err(&pdev->dev, "pwmchip_add failed: %d\n", ret);
|
||||
goto disable_pwmclk;
|
||||
goto err_suspend;
|
||||
}
|
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|
||||
platform_set_drvdata(pdev, pwm);
|
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return 0;
|
||||
|
||||
disable_pwmclk:
|
||||
clk_disable_unprepare(pwm->pwm_clk);
|
||||
disable_sysclk:
|
||||
clk_disable_unprepare(pwm->sys_clk);
|
||||
err_suspend:
|
||||
if (!pm_runtime_enabled(&pdev->dev))
|
||||
img_pwm_runtime_suspend(&pdev->dev);
|
||||
err_pm_disable:
|
||||
pm_runtime_disable(&pdev->dev);
|
||||
pm_runtime_dont_use_autosuspend(&pdev->dev);
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
|
@ -278,6 +331,11 @@ static int img_pwm_remove(struct platform_device *pdev)
|
|||
struct img_pwm_chip *pwm_chip = platform_get_drvdata(pdev);
|
||||
u32 val;
|
||||
unsigned int i;
|
||||
int ret;
|
||||
|
||||
ret = pm_runtime_get_sync(&pdev->dev);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
for (i = 0; i < pwm_chip->chip.npwm; i++) {
|
||||
val = img_pwm_readl(pwm_chip, PWM_CTRL_CFG);
|
||||
|
|
@ -285,15 +343,79 @@ static int img_pwm_remove(struct platform_device *pdev)
|
|||
img_pwm_writel(pwm_chip, PWM_CTRL_CFG, val);
|
||||
}
|
||||
|
||||
clk_disable_unprepare(pwm_chip->pwm_clk);
|
||||
clk_disable_unprepare(pwm_chip->sys_clk);
|
||||
pm_runtime_put(&pdev->dev);
|
||||
pm_runtime_disable(&pdev->dev);
|
||||
if (!pm_runtime_status_suspended(&pdev->dev))
|
||||
img_pwm_runtime_suspend(&pdev->dev);
|
||||
|
||||
return pwmchip_remove(&pwm_chip->chip);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PM_SLEEP
|
||||
static int img_pwm_suspend(struct device *dev)
|
||||
{
|
||||
struct img_pwm_chip *pwm_chip = dev_get_drvdata(dev);
|
||||
int i, ret;
|
||||
|
||||
if (pm_runtime_status_suspended(dev)) {
|
||||
ret = img_pwm_runtime_resume(dev);
|
||||
if (ret)
|
||||
return ret;
|
||||
}
|
||||
|
||||
for (i = 0; i < pwm_chip->chip.npwm; i++)
|
||||
pwm_chip->suspend_ch_cfg[i] = img_pwm_readl(pwm_chip,
|
||||
PWM_CH_CFG(i));
|
||||
|
||||
pwm_chip->suspend_ctrl_cfg = img_pwm_readl(pwm_chip, PWM_CTRL_CFG);
|
||||
|
||||
img_pwm_runtime_suspend(dev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int img_pwm_resume(struct device *dev)
|
||||
{
|
||||
struct img_pwm_chip *pwm_chip = dev_get_drvdata(dev);
|
||||
int ret;
|
||||
int i;
|
||||
|
||||
ret = img_pwm_runtime_resume(dev);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
for (i = 0; i < pwm_chip->chip.npwm; i++)
|
||||
img_pwm_writel(pwm_chip, PWM_CH_CFG(i),
|
||||
pwm_chip->suspend_ch_cfg[i]);
|
||||
|
||||
img_pwm_writel(pwm_chip, PWM_CTRL_CFG, pwm_chip->suspend_ctrl_cfg);
|
||||
|
||||
for (i = 0; i < pwm_chip->chip.npwm; i++)
|
||||
if (pwm_chip->suspend_ctrl_cfg & BIT(i))
|
||||
regmap_update_bits(pwm_chip->periph_regs,
|
||||
PERIP_PWM_PDM_CONTROL,
|
||||
PERIP_PWM_PDM_CONTROL_CH_MASK <<
|
||||
PERIP_PWM_PDM_CONTROL_CH_SHIFT(i),
|
||||
0);
|
||||
|
||||
if (pm_runtime_status_suspended(dev))
|
||||
img_pwm_runtime_suspend(dev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif /* CONFIG_PM */
|
||||
|
||||
static const struct dev_pm_ops img_pwm_pm_ops = {
|
||||
SET_RUNTIME_PM_OPS(img_pwm_runtime_suspend,
|
||||
img_pwm_runtime_resume,
|
||||
NULL)
|
||||
SET_SYSTEM_SLEEP_PM_OPS(img_pwm_suspend, img_pwm_resume)
|
||||
};
|
||||
|
||||
static struct platform_driver img_pwm_driver = {
|
||||
.driver = {
|
||||
.name = "img-pwm",
|
||||
.pm = &img_pwm_pm_ops,
|
||||
.of_match_table = img_pwm_of_match,
|
||||
},
|
||||
.probe = img_pwm_probe,
|
||||
|
|
|
|||
|
|
@ -16,6 +16,7 @@
|
|||
#include <linux/module.h>
|
||||
#include <linux/clk.h>
|
||||
#include <linux/of.h>
|
||||
#include <linux/of_device.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/pwm.h>
|
||||
#include <linux/slab.h>
|
||||
|
|
@ -40,11 +41,19 @@ enum {
|
|||
MTK_CLK_PWM3,
|
||||
MTK_CLK_PWM4,
|
||||
MTK_CLK_PWM5,
|
||||
MTK_CLK_PWM6,
|
||||
MTK_CLK_PWM7,
|
||||
MTK_CLK_PWM8,
|
||||
MTK_CLK_MAX,
|
||||
};
|
||||
|
||||
static const char * const mtk_pwm_clk_name[] = {
|
||||
"main", "top", "pwm1", "pwm2", "pwm3", "pwm4", "pwm5"
|
||||
static const char * const mtk_pwm_clk_name[MTK_CLK_MAX] = {
|
||||
"main", "top", "pwm1", "pwm2", "pwm3", "pwm4", "pwm5", "pwm6", "pwm7",
|
||||
"pwm8"
|
||||
};
|
||||
|
||||
struct mtk_pwm_platform_data {
|
||||
unsigned int num_pwms;
|
||||
};
|
||||
|
||||
/**
|
||||
|
|
@ -59,6 +68,10 @@ struct mtk_pwm_chip {
|
|||
struct clk *clks[MTK_CLK_MAX];
|
||||
};
|
||||
|
||||
static const unsigned int mtk_pwm_reg_offset[] = {
|
||||
0x0010, 0x0050, 0x0090, 0x00d0, 0x0110, 0x0150, 0x0190, 0x0220
|
||||
};
|
||||
|
||||
static inline struct mtk_pwm_chip *to_mtk_pwm_chip(struct pwm_chip *chip)
|
||||
{
|
||||
return container_of(chip, struct mtk_pwm_chip, chip);
|
||||
|
|
@ -103,14 +116,14 @@ static void mtk_pwm_clk_disable(struct pwm_chip *chip, struct pwm_device *pwm)
|
|||
static inline u32 mtk_pwm_readl(struct mtk_pwm_chip *chip, unsigned int num,
|
||||
unsigned int offset)
|
||||
{
|
||||
return readl(chip->regs + 0x10 + (num * 0x40) + offset);
|
||||
return readl(chip->regs + mtk_pwm_reg_offset[num] + offset);
|
||||
}
|
||||
|
||||
static inline void mtk_pwm_writel(struct mtk_pwm_chip *chip,
|
||||
unsigned int num, unsigned int offset,
|
||||
u32 value)
|
||||
{
|
||||
writel(value, chip->regs + 0x10 + (num * 0x40) + offset);
|
||||
writel(value, chip->regs + mtk_pwm_reg_offset[num] + offset);
|
||||
}
|
||||
|
||||
static int mtk_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
|
||||
|
|
@ -185,6 +198,7 @@ static const struct pwm_ops mtk_pwm_ops = {
|
|||
|
||||
static int mtk_pwm_probe(struct platform_device *pdev)
|
||||
{
|
||||
const struct mtk_pwm_platform_data *data;
|
||||
struct mtk_pwm_chip *pc;
|
||||
struct resource *res;
|
||||
unsigned int i;
|
||||
|
|
@ -194,23 +208,30 @@ static int mtk_pwm_probe(struct platform_device *pdev)
|
|||
if (!pc)
|
||||
return -ENOMEM;
|
||||
|
||||
data = of_device_get_match_data(&pdev->dev);
|
||||
if (data == NULL)
|
||||
return -EINVAL;
|
||||
|
||||
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
pc->regs = devm_ioremap_resource(&pdev->dev, res);
|
||||
if (IS_ERR(pc->regs))
|
||||
return PTR_ERR(pc->regs);
|
||||
|
||||
for (i = 0; i < MTK_CLK_MAX; i++) {
|
||||
for (i = 0; i < data->num_pwms + 2; i++) {
|
||||
pc->clks[i] = devm_clk_get(&pdev->dev, mtk_pwm_clk_name[i]);
|
||||
if (IS_ERR(pc->clks[i]))
|
||||
if (IS_ERR(pc->clks[i])) {
|
||||
dev_err(&pdev->dev, "clock: %s fail: %ld\n",
|
||||
mtk_pwm_clk_name[i], PTR_ERR(pc->clks[i]));
|
||||
return PTR_ERR(pc->clks[i]);
|
||||
}
|
||||
}
|
||||
|
||||
platform_set_drvdata(pdev, pc);
|
||||
|
||||
pc->chip.dev = &pdev->dev;
|
||||
pc->chip.ops = &mtk_pwm_ops;
|
||||
pc->chip.base = -1;
|
||||
pc->chip.npwm = 5;
|
||||
pc->chip.npwm = data->num_pwms;
|
||||
|
||||
ret = pwmchip_add(&pc->chip);
|
||||
if (ret < 0) {
|
||||
|
|
@ -228,9 +249,23 @@ static int mtk_pwm_remove(struct platform_device *pdev)
|
|||
return pwmchip_remove(&pc->chip);
|
||||
}
|
||||
|
||||
static const struct mtk_pwm_platform_data mt2712_pwm_data = {
|
||||
.num_pwms = 8,
|
||||
};
|
||||
|
||||
static const struct mtk_pwm_platform_data mt7622_pwm_data = {
|
||||
.num_pwms = 6,
|
||||
};
|
||||
|
||||
static const struct mtk_pwm_platform_data mt7623_pwm_data = {
|
||||
.num_pwms = 5,
|
||||
};
|
||||
|
||||
static const struct of_device_id mtk_pwm_of_match[] = {
|
||||
{ .compatible = "mediatek,mt7623-pwm" },
|
||||
{ }
|
||||
{ .compatible = "mediatek,mt2712-pwm", .data = &mt2712_pwm_data },
|
||||
{ .compatible = "mediatek,mt7622-pwm", .data = &mt7622_pwm_data },
|
||||
{ .compatible = "mediatek,mt7623-pwm", .data = &mt7623_pwm_data },
|
||||
{ },
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, mtk_pwm_of_match);
|
||||
|
||||
|
|
|
|||
|
|
@ -219,7 +219,6 @@ static int stm32_pwm_lp_remove(struct platform_device *pdev)
|
|||
unsigned int i;
|
||||
|
||||
for (i = 0; i < priv->chip.npwm; i++)
|
||||
if (pwm_is_enabled(&priv->chip.pwms[i]))
|
||||
pwm_disable(&priv->chip.pwms[i]);
|
||||
|
||||
return pwmchip_remove(&priv->chip);
|
||||
|
|
|
|||
|
|
@ -368,14 +368,15 @@ static int sun4i_pwm_probe(struct platform_device *pdev)
|
|||
struct sun4i_pwm_chip *pwm;
|
||||
struct resource *res;
|
||||
int ret;
|
||||
const struct of_device_id *match;
|
||||
|
||||
match = of_match_device(sun4i_pwm_dt_ids, &pdev->dev);
|
||||
|
||||
pwm = devm_kzalloc(&pdev->dev, sizeof(*pwm), GFP_KERNEL);
|
||||
if (!pwm)
|
||||
return -ENOMEM;
|
||||
|
||||
pwm->data = of_device_get_match_data(&pdev->dev);
|
||||
if (!pwm->data)
|
||||
return -ENODEV;
|
||||
|
||||
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
pwm->base = devm_ioremap_resource(&pdev->dev, res);
|
||||
if (IS_ERR(pwm->base))
|
||||
|
|
@ -385,7 +386,6 @@ static int sun4i_pwm_probe(struct platform_device *pdev)
|
|||
if (IS_ERR(pwm->clk))
|
||||
return PTR_ERR(pwm->clk);
|
||||
|
||||
pwm->data = match->data;
|
||||
pwm->chip.dev = &pdev->dev;
|
||||
pwm->chip.ops = &sun4i_pwm_ops;
|
||||
pwm->chip.base = -1;
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user