From 9a0d644f9eb62b9cbf9dbbc9f91a8cebdfa547ca Mon Sep 17 00:00:00 2001 From: Imre Kaloz Date: Wed, 27 Nov 2013 12:40:07 +0000 Subject: add device tree based initialization to wl12xx Signed-off-by: Imre Kaloz SVN-Revision: 38933 --- ...05-wlcore-sdio-add-wilink-clock-providers.patch | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 package/kernel/mac80211/patches/905-wlcore-sdio-add-wilink-clock-providers.patch (limited to 'package/kernel/mac80211/patches/905-wlcore-sdio-add-wilink-clock-providers.patch') diff --git a/package/kernel/mac80211/patches/905-wlcore-sdio-add-wilink-clock-providers.patch b/package/kernel/mac80211/patches/905-wlcore-sdio-add-wilink-clock-providers.patch new file mode 100644 index 0000000000..be1f9ada43 --- /dev/null +++ b/package/kernel/mac80211/patches/905-wlcore-sdio-add-wilink-clock-providers.patch @@ -0,0 +1,50 @@ +Add refclock and tcxoclock as clock providers in WiLink. These clocks +are not accesible outside the WiLink module, but they are registered +in the clock framework anyway. Only the WiLink chip consumes these +clocks. + +In theory, the WiLink chip could be connected to external clocks +instead of using these internal clocks, so make the clock consumer +code generic enough. If external clocks are used, then the internal +clock device tree nodes are not necessary, but the external ones must +be specified. + +Signed-off-by: Luciano Coelho +Reviewed-by: Felipe Balbi + +--- a/drivers/net/wireless/ti/wlcore/sdio.c ++++ b/drivers/net/wireless/ti/wlcore/sdio.c +@@ -34,6 +34,7 @@ + #include + #include + #include ++#include + + #include "wlcore.h" + #include "wl12xx_80211.h" +@@ -214,10 +215,15 @@ static struct wl1271_if_operations sdio_ + .set_block_size = wl1271_sdio_set_block_size, + }; + ++static const struct of_device_id wlcore_sdio_of_clk_match_table[] = { ++ { .compatible = "ti,wilink-clock" }, ++}; ++ + static struct wl12xx_platform_data *wlcore_get_pdata_from_of(struct device *dev) + { + struct wl12xx_platform_data *pdata; + struct device_node *np = dev->of_node; ++ struct device_node *clock_node; + + if (!np) { + np = of_find_matching_node(NULL, dev->driver->of_match_table); +@@ -241,6 +247,9 @@ static struct wl12xx_platform_data *wlco + goto out_free; + } + ++ for_each_matching_node(clock_node, wlcore_sdio_of_clk_match_table) ++ of_fixed_clk_setup(clock_node); ++ + goto out; + + out_free: -- cgit v1.2.3