diff mbox series

[v2,3/3] Input: mtk-pmic-keys - add support for MT6358

Message ID 20210512152648.39961-4-mkorpershoek@baylibre.com (mailing list archive)
State New
Headers show
Series input: MT6358 PMIC button support | expand

Commit Message

Mattijs Korpershoek May 12, 2021, 3:26 p.m. UTC
MT6358 pmic keys behave differently than mt6397 and mt6323: there are
two interrupts per key: one for press, the other one for release (_r)

Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
---
 drivers/input/keyboard/mtk-pmic-keys.c | 49 ++++++++++++++++++++++++--
 1 file changed, 47 insertions(+), 2 deletions(-)

Comments

kernel test robot May 19, 2021, 6:11 p.m. UTC | #1
Hi Mattijs,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on input/next]
[also build test ERROR on v5.13-rc2 next-20210519]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Mattijs-Korpershoek/input-MT6358-PMIC-button-support/20210513-001558
base:   https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
config: s390-randconfig-r014-20210519 (attached as .config)
compiler: s390-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/74aae2763d0c259046aa7079a46ba0dfe1995e37
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Mattijs-Korpershoek/input-MT6358-PMIC-button-support/20210513-001558
        git checkout 74aae2763d0c259046aa7079a46ba0dfe1995e37
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/input/keyboard/mtk-pmic-keys.c:80:22: error: 'MT6358_TOPSTATUS' undeclared here (not in a function); did you mean 'MT6397_OCSTATUS0'?
      80 |   MTK_PMIC_KEYS_REGS(MT6358_TOPSTATUS,
         |                      ^~~~~~~~~~~~~~~~
   drivers/input/keyboard/mtk-pmic-keys.c:47:14: note: in definition of macro 'MTK_PMIC_KEYS_REGS'
      47 |  .deb_reg  = _deb_reg,  \
         |              ^~~~~~~~
>> drivers/input/keyboard/mtk-pmic-keys.c:85:18: error: 'MT6358_TOP_RST_MISC' undeclared here (not in a function); did you mean 'MT6397_TOP_RST_MISC'?
      85 |  .pmic_rst_reg = MT6358_TOP_RST_MISC,
         |                  ^~~~~~~~~~~~~~~~~~~
         |                  MT6397_TOP_RST_MISC


vim +80 drivers/input/keyboard/mtk-pmic-keys.c

    77	
    78	static const struct mtk_pmic_regs mt6358_regs = {
    79		.keys_regs[MTK_PMIC_PWRKEY_INDEX] =
  > 80			MTK_PMIC_KEYS_REGS(MT6358_TOPSTATUS,
    81			0x2, MT6358_PSC_TOP_INT_CON0, 0x5),
    82		.keys_regs[MTK_PMIC_HOMEKEY_INDEX] =
    83			MTK_PMIC_KEYS_REGS(MT6358_TOPSTATUS,
    84			0x8, MT6358_PSC_TOP_INT_CON0, 0xa),
  > 85		.pmic_rst_reg = MT6358_TOP_RST_MISC,
    86	};
    87	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
Mattijs Korpershoek May 20, 2021, 6:57 a.m. UTC | #2
Hi,

kernel test robot <lkp@intel.com> writes:

> Hi Mattijs,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on input/next]
> [also build test ERROR on v5.13-rc2 next-20210519]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch]
>
> url:    https://github.com/0day-ci/linux/commits/Mattijs-Korpershoek/input-MT6358-PMIC-button-support/20210513-001558
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
> config: s390-randconfig-r014-20210519 (attached as .config)
> compiler: s390-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://github.com/0day-ci/linux/commit/74aae2763d0c259046aa7079a46ba0dfe1995e37
>         git remote add linux-review https://github.com/0day-ci/linux
>         git fetch --no-tags linux-review Mattijs-Korpershoek/input-MT6358-PMIC-button-support/20210513-001558
>         git checkout 74aae2763d0c259046aa7079a46ba0dfe1995e37
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390 
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>):
>
>>> drivers/input/keyboard/mtk-pmic-keys.c:80:22: error: 'MT6358_TOPSTATUS' undeclared here (not in a function); did you mean 'MT6397_OCSTATUS0'?
>       80 |   MTK_PMIC_KEYS_REGS(MT6358_TOPSTATUS,
>          |                      ^~~~~~~~~~~~~~~~
>    drivers/input/keyboard/mtk-pmic-keys.c:47:14: note: in definition of macro 'MTK_PMIC_KEYS_REGS'
>       47 |  .deb_reg  = _deb_reg,  \
>          |              ^~~~~~~~
>>> drivers/input/keyboard/mtk-pmic-keys.c:85:18: error: 'MT6358_TOP_RST_MISC' undeclared here (not in a function); did you mean 'MT6397_TOP_RST_MISC'?
>       85 |  .pmic_rst_reg = MT6358_TOP_RST_MISC,
>          |                  ^~~~~~~~~~~~~~~~~~~
>          |                  MT6397_TOP_RST_MISC
This build failure is expected.
As written in the cover letter, this depends on [1]

[1] has been applied to the mfd tree but it's not part of v5.13-rc2

[1] https://lore.kernel.org/r/20210506094116.638527-1-mkorpershoek@baylibre.com

>
>
> vim +80 drivers/input/keyboard/mtk-pmic-keys.c
>
>     77	
>     78	static const struct mtk_pmic_regs mt6358_regs = {
>     79		.keys_regs[MTK_PMIC_PWRKEY_INDEX] =
>   > 80			MTK_PMIC_KEYS_REGS(MT6358_TOPSTATUS,
>     81			0x2, MT6358_PSC_TOP_INT_CON0, 0x5),
>     82		.keys_regs[MTK_PMIC_HOMEKEY_INDEX] =
>     83			MTK_PMIC_KEYS_REGS(MT6358_TOPSTATUS,
>     84			0x8, MT6358_PSC_TOP_INT_CON0, 0xa),
>   > 85		.pmic_rst_reg = MT6358_TOP_RST_MISC,
>     86	};
>     87	
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
diff mbox series

Patch

diff --git a/drivers/input/keyboard/mtk-pmic-keys.c b/drivers/input/keyboard/mtk-pmic-keys.c
index d1abf95d5701..5496a7020104 100644
--- a/drivers/input/keyboard/mtk-pmic-keys.c
+++ b/drivers/input/keyboard/mtk-pmic-keys.c
@@ -9,6 +9,7 @@ 
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
 #include <linux/mfd/mt6323/registers.h>
+#include <linux/mfd/mt6358/registers.h>
 #include <linux/mfd/mt6397/core.h>
 #include <linux/mfd/mt6397/registers.h>
 #include <linux/module.h>
@@ -74,11 +75,22 @@  static const struct mtk_pmic_regs mt6323_regs = {
 	.pmic_rst_reg = MT6323_TOP_RST_MISC,
 };
 
+static const struct mtk_pmic_regs mt6358_regs = {
+	.keys_regs[MTK_PMIC_PWRKEY_INDEX] =
+		MTK_PMIC_KEYS_REGS(MT6358_TOPSTATUS,
+		0x2, MT6358_PSC_TOP_INT_CON0, 0x5),
+	.keys_regs[MTK_PMIC_HOMEKEY_INDEX] =
+		MTK_PMIC_KEYS_REGS(MT6358_TOPSTATUS,
+		0x8, MT6358_PSC_TOP_INT_CON0, 0xa),
+	.pmic_rst_reg = MT6358_TOP_RST_MISC,
+};
+
 struct mtk_pmic_keys_info {
 	struct mtk_pmic_keys *keys;
 	const struct mtk_pmic_keys_regs *regs;
 	unsigned int keycode;
 	int irq;
+	int irq_r; /* optional: release irq if different */
 	bool wakeup:1;
 };
 
@@ -188,6 +200,19 @@  static int mtk_pmic_key_setup(struct mtk_pmic_keys *keys,
 		return ret;
 	}
 
+	if (info->irq_r > 0) {
+		ret = devm_request_threaded_irq(
+			keys->dev, info->irq_r, NULL,
+			mtk_pmic_keys_irq_handler_thread,
+			IRQF_ONESHOT | IRQF_TRIGGER_HIGH, "mtk-pmic-keys",
+			info);
+		if (ret) {
+			dev_err(keys->dev, "Failed to request IRQ_r: %d: %d\n",
+				info->irq, ret);
+			return ret;
+		}
+	}
+
 	input_set_capability(keys->input_dev, EV_KEY, info->keycode);
 
 	return 0;
@@ -199,8 +224,11 @@  static int __maybe_unused mtk_pmic_keys_suspend(struct device *dev)
 	int index;
 
 	for (index = 0; index < MTK_PMIC_MAX_KEY_COUNT; index++) {
-		if (keys->keys[index].wakeup)
+		if (keys->keys[index].wakeup) {
 			enable_irq_wake(keys->keys[index].irq);
+			if (keys->keys[index].irq_r > 0)
+				enable_irq_wake(keys->keys[index].irq_r);
+		}
 	}
 
 	return 0;
@@ -212,8 +240,11 @@  static int __maybe_unused mtk_pmic_keys_resume(struct device *dev)
 	int index;
 
 	for (index = 0; index < MTK_PMIC_MAX_KEY_COUNT; index++) {
-		if (keys->keys[index].wakeup)
+		if (keys->keys[index].wakeup) {
 			disable_irq_wake(keys->keys[index].irq);
+			if (keys->keys[index].irq_r > 0)
+				disable_irq_wake(keys->keys[index].irq_r);
+		}
 	}
 
 	return 0;
@@ -229,6 +260,9 @@  static const struct of_device_id of_mtk_pmic_keys_match_tbl[] = {
 	}, {
 		.compatible = "mediatek,mt6323-keys",
 		.data = &mt6323_regs,
+	}, {
+		.compatible = "mediatek,mt6358-keys",
+		.data = &mt6358_regs,
 	}, {
 		/* sentinel */
 	}
@@ -242,6 +276,7 @@  static int mtk_pmic_keys_probe(struct platform_device *pdev)
 	struct mt6397_chip *pmic_chip = dev_get_drvdata(pdev->dev.parent);
 	struct device_node *node = pdev->dev.of_node, *child;
 	static const char *const irqnames[] = { "powerkey", "homekey" };
+	static const char *const irqnames_r[] = { "powerkey_r", "homekey_r" };
 	struct mtk_pmic_keys *keys;
 	const struct mtk_pmic_regs *mtk_pmic_regs;
 	struct input_dev *input_dev;
@@ -285,6 +320,16 @@  static int mtk_pmic_keys_probe(struct platform_device *pdev)
 			return keys->keys[index].irq;
 		}
 
+		if (of_device_is_compatible(node, "mediatek,mt6358-keys")) {
+			keys->keys[index].irq_r = platform_get_irq_byname(
+				pdev, irqnames_r[index]);
+
+			if (keys->keys[index].irq_r < 0) {
+				of_node_put(child);
+				return keys->keys[index].irq_r;
+			}
+		}
+
 		error = of_property_read_u32(child,
 			"linux,keycodes", &keys->keys[index].keycode);
 		if (error) {