[PATCH 2/3] mwifiex: parse chip specific gpio from device tree
From: Amitkumar Karwar <hidden>
Date: 2016-02-03 06:14:19
Also in:
linux-wireless
Subsystem:
marvell mwifiex wireless driver, open firmware and flattened device tree bindings, the rest · Maintainers:
Brian Norris, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Xinming Hu <redacted> This patch parse chip specific gpio parameter from device tree. Corresponding binding file is also updated. Signed-off-by: Xinming Hu <redacted> Signed-off-by: Amitkumar Karwar <redacted> --- Documentation/devicetree/bindings/mwifiex.txt | 6 ++++-- drivers/net/wireless/marvell/mwifiex/sta_cmd.c | 9 +++++++++ 2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/mwifiex.txt b/Documentation/devicetree/bindings/mwifiex.txt
index 39b6a74..367c97e 100644
--- a/Documentation/devicetree/bindings/mwifiex.txt
+++ b/Documentation/devicetree/bindings/mwifiex.txt@@ -11,7 +11,9 @@ Optional properties: - mwifiex,caldata* : A series of properties with marvell,caldata prefix, represent Calibration data downloaded to the device during initialization. This is an array of unsigned values. - + - mwifiex,chip-gpio : Chip's wakeup gpio pin number. This needs to be downloaded + to to firmware. Chip notifies wifi wakeup signal to SOC + through this pin. Example:
@@ -24,6 +26,6 @@ mwifiex { mwifiex,caldata_00_txpwrlimit_2g_cfg_set = /bits/ 8 < 0x01 0x00 0x06 0x00 0x08 0x02 0x89 0x01 ...>; - + mwifiex,chip-gpio = <3>; };
diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmd.c b/drivers/net/wireless/marvell/mwifiex/sta_cmd.c
index 64fc697..e6123af 100644
--- a/drivers/net/wireless/marvell/mwifiex/sta_cmd.c
+++ b/drivers/net/wireless/marvell/mwifiex/sta_cmd.c@@ -2134,6 +2134,7 @@ int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta, bool init) enum state_11d_t state_11d; struct mwifiex_ds_11n_tx_cfg tx_cfg; u8 sdio_sp_rx_aggr_enable; + u32 data; if (first_sta) { if (priv->adapter->iface_type == MWIFIEX_PCIE) {
@@ -2156,6 +2157,14 @@ int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta, bool init) */ adapter->dt_node = mwifiex_plt_dev->dev.of_node; if (adapter->dt_node) { + if (of_property_read_u32(adapter->dt_node, + "mwifiex,chip-gpio", + &data) == 0) { + mwifiex_dbg(adapter, INFO, + "chip_gpio = 0x%x\n", data); + adapter->hs_cfg.gpio = data; + } + ret = mwifiex_dnld_dt_cfgdata(priv, adapter->dt_node, "mwifiex,caldata"); if (ret)
--
1.8.1.4
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