]> asedeno.scripts.mit.edu Git - linux.git/commitdiff
ARM: dts: N9/N950: add bluetooth
authorSebastian Reichel <sre@kernel.org>
Tue, 21 Mar 2017 22:32:16 +0000 (23:32 +0100)
committerTony Lindgren <tony@atomide.com>
Wed, 22 Mar 2017 23:52:57 +0000 (16:52 -0700)
The Nokia N950 and N9 have a wl1271 (with nokia bootloader) bluetooth
module connected to second UART.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/boot/dts/omap3-n950-n9.dtsi

index 5d8c4b4a42058023f91ff5e2fb6ed61b8dde89fb..df3366fa5409be2813086f11d757740c47d2491a 100644 (file)
@@ -58,6 +58,13 @@ heartbeat {
                        pinctrl-0 = <&debug_leds>;
                };
        };
+
+       /* controlled (enabled/disabled) directly by wl1271 */
+       vctcxo: vctcxo {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <38400000>;
+       };
 };
 
 &omap3_pmx_core {
@@ -125,6 +132,15 @@ OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT | MUX_MODE4)            /* gpio_88 (cmt_rst
                        OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE4)            /* gpio_93 (cmt_apeslpx) */
                >;
        };
+
+       uart2_pins: pinmux_uart2_pins {
+               pinctrl-single,pins = <
+                       OMAP3_CORE1_IOPAD(0x2174, PIN_INPUT_PULLUP | MUX_MODE0)         /* uart2_cts */
+                       OMAP3_CORE1_IOPAD(0x2176, PIN_OUTPUT | MUX_MODE0)               /* uart2_rts */
+                       OMAP3_CORE1_IOPAD(0x2178, PIN_OUTPUT | MUX_MODE0)               /* uart2_tx */
+                       OMAP3_CORE1_IOPAD(0x217a, PIN_INPUT | MUX_MODE0)                /* uart2_rx */
+               >;
+       };
 };
 
 &omap3_pmx_core2 {
@@ -435,3 +451,19 @@ modem: hsi-client {
 &ssi_port2 {
        status = "disabled";
 };
+
+&uart2 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&uart2_pins>;
+
+       bluetooth {
+               compatible = "ti,wl1271-bluetooth-nokia", "nokia,h4p-bluetooth";
+
+               reset-gpios = <&gpio1 26 GPIO_ACTIVE_LOW>; /* 26 */
+               host-wakeup-gpios = <&gpio4 5 GPIO_ACTIVE_HIGH>; /* 101 */
+               bluetooth-wakeup-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>; /* 37 */
+
+               clocks = <&vctcxo>;
+               clock-names = "sysclk";
+       };
+};