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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-OriginatorOrg: crepuse.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: KUYPR01MB8186.apcprd01.prod.exchangelabs.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3b2778aa-d255-4a8d-e7d7-08df27264962 X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Oct 2026 23:29:10.2375 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 9e189589-0b8b-4283-80ca-b0157c0a04fa X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: omVew64FUv/0zARFU2EYQUbXqUHt0Kpdh0RKH/l2FoiVhlMkxQH4P8p+fk4yH8MkzYJwFzwfSeutUpZ9J68z6A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYZPR01MB4380 Describe the onboard NS2009 resistive touchscreen at I2C2 address 0x48.=0A= Use the tested inverted Y direction and raw Z1 contact threshold of 150.=0A= Retain the native 12-bit ADC coordinate range.=0A= =0A= The I2C2 controller is enabled by a separate board preparation patch.=0A= This device node is independent of the display binding and DTS changes,=0A= and depends on the separately submitted NS2009 binding and driver.=0A= =0A= Link: https://lore.kernel.org/r/20261009144729.85832-1-founder@crepuse.com= =0A= Signed-off-by: Mizuno Miotsuki =0A= ---=0A= =0A= This board patch depends on the common I2C2 preparation commit and the=0A= separately submitted NS2009 vendor-prefix/binding series. Those NS2009=0A= dependencies are not in the pinned Rockchip tree; only the validation=0A= branch imports them unchanged. The display series has no such dependency.= =0A= The prerequisite I2C2 board patch was submitted separately:=0A= https://lore.kernel.org/r/20261010232831.26908-1-founder@crepuse.com=0A= =0A= Validation: native DTS build passed, but native dt-validate -m reports=0A= an unmatched NS2009 compatible. With submitted dependencies, target=0A= CHECK_DTBS=3Dy, direct dt-validate and binding example checks passed.=0A= The exact combined DTB booted normally; the tester confirmed touch=0A= direction and operation. Capture: nine down/up pairs, 208 frames, no=0A= SYN_DROPPED, final released. One E0 ff ff invalid sample (-EIO) was=0A= recorded; this is disclosed for review of the pending NS2009 support.=0A= Deep suspend and calibrated five-point coverage are not claimed.=0A= =0A= arch/arm64/boot/dts/rockchip/rk3308-unihiker-m10-v1.2.dts | 7 +++++++=0A= 1 file changed, 7 insertions(+)=0A= =0A= diff --git a/arch/arm64/boot/dts/rockchip/rk3308-unihiker-m10-v1.2.dts b/ar= ch/arm64/boot/dts/rockchip/rk3308-unihiker-m10-v1.2.dts=0A= index 0c03f118378a..7ae3cc8a86e0 100644=0A= --- a/arch/arm64/boot/dts/rockchip/rk3308-unihiker-m10-v1.2.dts=0A= +++ b/arch/arm64/boot/dts/rockchip/rk3308-unihiker-m10-v1.2.dts=0A= @@ -134,6 +134,13 @@ &emmc {=0A= &i2c2 {=0A= clock-frequency =3D <400000>;=0A= status =3D "okay";=0A= +=0A= + touchscreen@48 {=0A= + compatible =3D "nsiway,ns2009";=0A= + reg =3D <0x48>;=0A= + touchscreen-min-pressure =3D <150>;=0A= + touchscreen-inverted-y;=0A= + };=0A= };=0A= =0A= &io_domains {=0A= =0A= base-commit: f4f7ecd2e0e8debcbab4789717cc79d570d665e3=0A= -- =0A= 2.56.0=0A= =0A=