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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE3MDEwMSBTYWx0ZWRfX91TllWhZNF/n In3XBkvrbB01Zih5yrV8T41ZIDn7NiLx1rO/SBehP7mxQaZluphxBCXFetPO3dFAfxxj4OP3rzH BaggliPuGKinVB/JJcQM3E0xxwpMgAs= X-Proofpoint-ORIG-GUID: PI7ozPaVJ1h4BneGegHLuXtGFoIm__wP X-Proofpoint-GUID: PI7ozPaVJ1h4BneGegHLuXtGFoIm__wP X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE3MDEwMSBTYWx0ZWRfXymNPFnHu4/Id 8Qo7zu31ZLqZKYMI1HclsgO/o823KAYzvKp2Uo/wJouhcuf3x1j9EmCBPhqySlatPqKkDt/OMrO C5CcLXlIu2Y/9wrPsFgmrIJIf2qrJQ21/wXFr48QVkNFt3+2cEdVyjUMPSkGbPumUWmBGyn93Lh dE4GCmxOWcXm0Cl+1D+ZHeB2bzHl8VqZEnWyNYgr/odL1EL5y+qjLPHNoYjacrlQfzgEsORWSWw 7vira+ckfsCZUIdq9/eKG0PfQs0R1zuJk/zhxvMnnTYsTnvylDJ/8SdW3HHDpXzMGKPdyoinqEv qKIMu7MAzvLEQ+aX9V481zSlLw4kGg8zj8lS6+RYEvKVkKd8Zxu4fUx6bHgDnH6mByP+1K7pXad x2plmYhQtwijncBe+FJpkg3G2gDd8gCeVK1qC/XgjPL0KNpFIYM28GBIIbWb4OT1wWkaKrEixGA v9PfqZWSXFrca77t+nA== X-Authority-Analysis: v=2.4 cv=acpRWxot c=1 sm=1 tr=0 ts=6a327b06 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=KWhx9lE1SZ_w_DgzBjgA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-17_01,2026-06-16_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 bulkscore=0 malwarescore=0 priorityscore=1501 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606170101 On 6/11/26 9:44 PM, Dmitry Baryshkov wrote: > On Thu, Jun 11, 2026 at 02:09:27PM +0200, Konrad Dybcio wrote: >> On 6/1/26 11:46 AM, Dmitry Baryshkov wrote: >>> The SM8350 HDK has onboard WiFi/BT chip, WCN6851. It is an earlier >>> version of well-known WCN6855 WiFI/BT SoC. Describe the PMU, BT and WiFI >>> parts of the device. >> >> [...] >> >>> + wcn6855-pmu { >>> + compatible = "qcom,wcn6851-pmu", "qcom,wcn6855-pmu"; >>> + >>> + pinctrl-0 = <&bt_en>, <&wlan_en>, <&swctrl>; >>> + pinctrl-names = "default"; >>> + >>> + wlan-enable-gpios = <&tlmm 64 GPIO_ACTIVE_HIGH>; >>> + bt-enable-gpios = <&tlmm 65 GPIO_ACTIVE_HIGH>; >>> + swctrl-gpios = <&tlmm 153 GPIO_ACTIVE_HIGH>; >>> + >>> + vddio-supply = <&vreg_s10b_1p8>; >>> + vddaon-supply = <&vreg_s11b_0p95>; >>> + vddpmu-supply = <&vreg_s11b_0p95>; >>> + vddpmumx-supply = <&vreg_s2e_0p85>; >>> + vddpmucx-supply = <&vreg_s11b_0p95>; >>> + vddrfa0p95-supply = <&vreg_s11b_0p95>; >>> + vddrfa1p3-supply = <&vreg_s12b_1p25>; >>> + vddrfa1p9-supply = <&vreg_s1c_1p86>; >>> + vddpcie1p3-supply = <&vreg_s12b_1p25>; >>> + vddpcie1p9-supply = <&vreg_s1c_1p86>; >> >> [...] >> >>> @@ -373,6 +437,13 @@ vreg_l7e_2p8: ldo7 { >>> regulator-name = "vreg_l7e_2p8"; >>> regulator-min-microvolt = <2800000>; >>> regulator-max-microvolt = <2800000>; >>> + >>> + /* >>> + * This is used by the RF front-end for which there is >>> + * no way to represent it in DT (yet?). >>> + */ >>> + regulator-boot-on; >>> + regulator-always-on; >> >> msm-5.4 maps this to bt-vdd-asd-supply (asd being a keyboard smash, >> perhaps?) - what is its actual use? > > WiFI/BT RF front-end, a separate chip containing amplifiers, couplers, > etc. > > It is a separate chip (or a module), it is not powered on by the PMU, > etc. Ah, that thing.. yeah I don't really know. Although it'd be a shame to keep it powered forever, so maybe one day someone will revisit this Konrad