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DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: kococonnector.com X-MS-Exchange-CrossTenant-Network-Message-Id: e9b635ae-2805-40c2-2b89-08d83f6572f0 X-MS-Exchange-CrossTenant-AuthSource: AM0PR09MB4067.eurprd09.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Aug 2020 08:47:02.7236 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 59845429-0644-4099-bd7e-17fba65a2f2b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 3uoos/nXjlLcseuplLwoGHi32tTik3/w6cXV0IUFlyPYqAZp4RlxjaXk3erVYaoSZ5q8r6tNbj5qUCb3r7qihQ/CqfDP81NItdHfc11Cxzc= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR09MB4276 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200813_044710_677147_CB6FD05D X-CRM114-Status: GOOD ( 10.05 ) X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [40.107.6.57 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [40.107.6.57 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 MSGID_FROM_MTA_HEADER Message-Id was added by a relay X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Fabio Estevam , Oliver Graute , linux-kernel@vger.kernel.org, Rob Herring , linux-imx@nxp.com, kernel@pengutronix.de, fabio.estevam@nxp.com, Shawn Guo , Sascha Hauer , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Hello Aisheng, I tried to add lvds pwm to imx8qm.dtsi to get backlight working. But without success. I'am running into this issue: [ 0.858737] lcd0-pwm0: failed to power up resource 188 ret -22 Can you review and comment please? This patch is based on your patch series. Best regards, Oliver --- arch/arm64/boot/dts/freescale/imx8qm.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8qm.dtsi b/arch/arm64/boot/dts/freescale/imx8qm.dtsi index fd0e706ea011..cf9aea4b26f4 100644 --- a/arch/arm64/boot/dts/freescale/imx8qm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8qm.dtsi @@ -137,6 +137,22 @@ hsio: hsio@5f080000 { reg = <0x0 0x5f080000 0x0 0xF0000>; /* lpcg, csr, msic, gpio */ }; + + lvds1_pwm: pwm@57244000 { + compatible = "fsl,imx8qm-pwm", "fsl,imx27-pwm"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x57244000 0x1000>; + clocks = <&pwm0_lpcg IMX_LPCG_CLK_4>, + <&pwm0_lpcg IMX_LPCG_CLK_0>; + clock-names = "ipg", "per"; + assigned-clocks = <&clk IMX_SC_R_PWM_0 IMX_SC_PM_CLK_PER>; + assigned-clock-rates = <24000000>; + #pwm-cells = <2>; + power-domains = <&pd IMX_SC_R_LVDS_1_PWM_0>; + status = "disabled"; + }; + pmu { compatible = "arm,armv8-pmuv3"; interrupts = ;