diff options
| author | Shenwei Wang <shenwei.wang@nxp.com> | 2022-10-27 16:08:58 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2022-11-08 13:25:52 +0300 |
| commit | 7c3ccedaf7a7b0260e8ac128f14d6564da8393fd (patch) | |
| tree | 31af39a74baa511fdebb3e42f207d1da7a252270 /drivers/pinctrl/freescale | |
| parent | cdb6f424e93cec2c9d19d59c56ee448d63cb0146 (diff) | |
| download | linux-7c3ccedaf7a7b0260e8ac128f14d6564da8393fd.tar.xz | |
pinctrl: freescale: add pad wakeup config
add the logic to configure the pad wakeup function via
the pin_config_set handler.
Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20221027130859.1444412-5-shenwei.wang@nxp.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/freescale')
| -rw-r--r-- | drivers/pinctrl/freescale/pinctrl-scu.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/pinctrl/freescale/pinctrl-scu.c b/drivers/pinctrl/freescale/pinctrl-scu.c index 59b5f8a35111..ea261b6e7458 100644 --- a/drivers/pinctrl/freescale/pinctrl-scu.c +++ b/drivers/pinctrl/freescale/pinctrl-scu.c @@ -15,6 +15,11 @@ #include "../core.h" #include "pinctrl-imx.h" +#define IMX_SC_PAD_FUNC_GET_WAKEUP 9 +#define IMX_SC_PAD_FUNC_SET_WAKEUP 4 +#define IMX_SC_IRQ_GROUP_WAKE 3 /* Wakeup interrupts */ +#define IMX_SC_IRQ_PAD 2 /* Pad wakeup */ + enum pad_func_e { IMX_SC_PAD_FUNC_SET = 15, IMX_SC_PAD_FUNC_GET = 16, @@ -36,10 +41,18 @@ struct imx_sc_msg_resp_pad_get { u32 val; } __packed; +struct imx_sc_msg_gpio_set_pad_wakeup { + struct imx_sc_rpc_msg hdr; + u16 pad; + u8 wakeup; +} __packed __aligned(4); + static struct imx_sc_ipc *pinctrl_ipc_handle; int imx_pinctrl_sc_ipc_init(struct platform_device *pdev) { + imx_scu_irq_group_enable(IMX_SC_IRQ_GROUP_WAKE, + IMX_SC_IRQ_PAD, true); return imx_scu_get_handle(&pinctrl_ipc_handle); } EXPORT_SYMBOL_GPL(imx_pinctrl_sc_ipc_init); @@ -81,6 +94,23 @@ int imx_pinconf_set_scu(struct pinctrl_dev *pctldev, unsigned pin_id, unsigned int val; int ret; + if (num_configs == 1) { + struct imx_sc_msg_gpio_set_pad_wakeup wmsg; + + hdr = &wmsg.hdr; + hdr->ver = IMX_SC_RPC_VERSION; + hdr->svc = IMX_SC_RPC_SVC_PAD; + hdr->func = IMX_SC_PAD_FUNC_SET_WAKEUP; + hdr->size = 2; + wmsg.pad = pin_id; + wmsg.wakeup = *configs; + ret = imx_scu_call_rpc(pinctrl_ipc_handle, &wmsg, true); + + dev_dbg(ipctl->dev, "wakeup pin_id: %d type: %ld\n", + pin_id, *configs); + return ret; + } + /* * Set mux and conf together in one IPC call */ |