diff options
Diffstat (limited to 'meta-agl-refhw-gen3/recipes-kernel/linux/files/0001-Add-support-for-TI-WL1837.patch')
| -rw-r--r-- | meta-agl-refhw-gen3/recipes-kernel/linux/files/0001-Add-support-for-TI-WL1837.patch | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/meta-agl-refhw-gen3/recipes-kernel/linux/files/0001-Add-support-for-TI-WL1837.patch b/meta-agl-refhw-gen3/recipes-kernel/linux/files/0001-Add-support-for-TI-WL1837.patch new file mode 100644 index 0000000..cfd1276 --- /dev/null +++ b/meta-agl-refhw-gen3/recipes-kernel/linux/files/0001-Add-support-for-TI-WL1837.patch @@ -0,0 +1,233 @@ +Add support for TI WL1837 + +This patch adds description of TI WL1837 and links interfaces +to communicate with the IC. + +Signed-off-by: ito.yoshiki001 <ito.yoshiki001@jp.panasonic.com> + +Reworked: +- WL1837 specific devicetree configuration moved to the board + specific r8a7795-agl-refhw.dts from agl-refhw-common.dtsi. +- Switched to HCI_LL driver for BT support to match other upstream + users and prepare for btwilink driver going away (dropped in 5.5 + upstream). +- WLAN_PWR_EN enabling moved to GPIO initialization to work around + BT initialization problems. +- Update sound configuration to enable WL1837 BT audio, and disable + the HDMI1 audio left over from the original Salvator-X devicetree. + The latter is clean up, as HDMI1 as defined uses a SSI that + conflicts with the ak4613 configuration. + +Signed-off-by: Scott Murray <scott.murray@konsulko.com> +--- + arch/arm64/boot/dts/renesas/agl-refhw-common.dtsi | 37 +++++++--- + arch/arm64/boot/dts/renesas/r8a7795-agl-refhw.dts | 84 ++++++++++++++++++----- + 2 files changed, 94 insertions(+), 27 deletions(-) + +diff --git a/arch/arm64/boot/dts/renesas/agl-refhw-common.dtsi b/arch/arm64/boot/dts/renesas/agl-refhw-common.dtsi +index 796ac4c078e0..6f34b54c6ce1 100644 +--- a/arch/arm64/boot/dts/renesas/agl-refhw-common.dtsi ++++ b/arch/arm64/boot/dts/renesas/agl-refhw-common.dtsi +@@ -183,6 +183,18 @@ + 1800000 0>; + }; + ++ wlan_en: regulator-wlan_en { ++ compatible = "regulator-fixed"; ++ ++ regulator-name = "wlan-en-regulator"; ++ regulator-min-microvolt = <3300000>; ++ regulator-max-microvolt = <3300000>; ++ ++ gpio = <&gpio7 2 GPIO_ACTIVE_HIGH>; ++ startup-delay-us = <70000>; ++ enable-active-high; ++ }; ++ + hdmi0-out { + compatible = "hdmi-connector"; + label = "HDMI0 OUT"; +@@ -672,7 +684,8 @@ + }; + + sound_pins: sound { +- groups = "ssi349_ctrl", "ssi3_data", "ssi4_data"; ++ groups = "ssi349_ctrl", "ssi3_data", "ssi4_data", ++ "ssi78_ctrl", "ssi7_data", "ssi8_data"; + function = "ssi"; + }; + +@@ -827,24 +840,28 @@ + }; + + &sdhi3 { ++ /* Default WLAN card configuration */ + pinctrl-0 = <&sdhi3_pins>; +- pinctrl-1 = <&sdhi3_pins_uhs>; +- pinctrl-names = "default", "state_uhs"; ++ pinctrl-names = "default"; + +- vmmc-supply = <&vcc_sdhi3>; +- vqmmc-supply = <&vccq_sdhi3>; +- cd-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>; +- wp-gpios = <&gpio4 16 GPIO_ACTIVE_HIGH>; ++ vmmc-supply = <&wlan_en>; + bus-width = <4>; +- sd-uhs-sdr50; +- sd-uhs-sdr104; +- status = "okay"; ++ no-1-8-v; ++ non-removable; ++ cap-power-off-card; ++ keep-power-in-suspend; ++ ++ /* leave disabled by default */ + }; + + &ssi4 { + shared-pin; + }; + ++&ssi8 { ++ shared-pin; ++}; ++ + &usb_extal_clk { + clock-frequency = <50000000>; + }; +diff --git a/arch/arm64/boot/dts/renesas/r8a7795-agl-refhw.dts b/arch/arm64/boot/dts/renesas/r8a7795-agl-refhw.dts +index 83638a6228c0..97cc6e08ee8f 100644 +--- a/arch/arm64/boot/dts/renesas/r8a7795-agl-refhw.dts ++++ b/arch/arm64/boot/dts/renesas/r8a7795-agl-refhw.dts +@@ -119,6 +119,23 @@ + }; + }; + ++ sound_wl18xx { ++ compatible = "audio-graph-card"; ++ label = "wl18xx"; ++ ++ dais = <&rsnd_port2>; ++ }; ++ ++ wl18xx_pcm { ++ compatible = "ti,wl18xx-pcm"; ++ status = "okay"; ++ ++ port { ++ wl18xx_endpoint: endpoint { ++ remote-endpoint = <&rsnd_for_wl18xx>; ++ }; ++ }; ++ }; + }; + + &adsp { +@@ -155,8 +172,14 @@ + + &sound_card { + dais = <&rsnd_port0 /* ak4613 */ +- &rsnd_port1 /* HDMI0 */ +- &rsnd_port2>; /* HDMI1 */ ++ &rsnd_port1>; /* HDMI0 */ ++}; ++ ++&hscif0 { ++ bluetooth { ++ compatible = "ti,wl1837-st"; ++ enable-gpios = <&gpio7 3 GPIO_ACTIVE_HIGH>; ++ }; + }; + + &hdmi0 { +@@ -192,12 +215,6 @@ + remote-endpoint = <&hdmi1_con>; + }; + }; +- port@2 { +- reg = <2>; +- dw_hdmi1_snd_in: endpoint { +- remote-endpoint = <&rsnd_endpoint2>; +- }; +- }; + }; + }; + +@@ -215,8 +232,11 @@ + }; + + &rcar_sound { ++ /* Multi DAI */ ++ #sound-dai-cells = <1>; ++ + ports { +- /* rsnd_port0 is on salvator-common */ ++ /* rsnd_port0 is in agl-refhw-common */ + rsnd_port1: port@1 { + reg = <1>; + rsnd_endpoint1: endpoint { +@@ -231,14 +251,15 @@ + }; + rsnd_port2: port@2 { + reg = <2>; +- rsnd_endpoint2: endpoint { +- remote-endpoint = <&dw_hdmi1_snd_in>; ++ rsnd_for_wl18xx: endpoint { ++ remote-endpoint = <&wl18xx_endpoint>; + +- dai-format = "i2s"; +- bitclock-master = <&rsnd_endpoint2>; +- frame-master = <&rsnd_endpoint2>; ++ simple-audio-card,format = "i2s"; ++ bitclock-master = <&wl18xx_endpoint>; ++ frame-master = <&wl18xx_endpoint>; + +- playback = <&ssi3>; ++ playback = <&ssi7>; ++ capture = <&ssi8>; + }; + }; + }; +@@ -373,11 +394,40 @@ + }; + + &sdhi3 { +- /delete-property/ wp-gpios; +- non-removable; ++ status = "okay"; ++ ++ max-frequency = <50000000>; ++ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ wlcore: wlcore@2 { ++ compatible = "ti,wl1837"; ++ reg = <2>; ++ interrupt-parent = <&gpio1>; ++ interrupts = <25 IRQ_TYPE_EDGE_FALLING>; ++ }; + }; + + &gpio6 { ++ /* ++ * Enable WLAN_PWR_EN right from boot to get reliable BT ++ * initialization, as doing it at SDHI initialization ++ * does not seem to do so, no matter how much BT_EN is ++ * delayed. ++ * ++ * This is perhaps not ideal per the requirements described ++ * in the "Level Shifting WL18xx/WL18xxMOD/WL18xxQ I/Os" ++ * document (SWRA448A)[1], but the BT UART seems unusable ++ * otherwise. ++ * ++ * [1] https://www.ti.com/lit/an/swra448a/swra448a.pdf ++ */ ++ wlan-pwr-en { ++ gpio-hog; ++ gpios = <9 GPIO_ACTIVE_HIGH>; ++ output-high; ++ }; ++ + /* Enable the CAN 1 & 2 transceivers */ + can-1-transceiver-stb { + gpio-hog; |