18c2ecf20Sopenharmony_ciRT5668B audio CODEC 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ciThis device supports I2C only. 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ciRequired properties: 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ci- compatible : "realtek,rt5668b" 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ci- reg : The I2C address of the device. 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ciOptional properties: 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ci- interrupts : The CODEC's interrupt output. 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci- realtek,dmic1-data-pin 168c2ecf20Sopenharmony_ci 0: dmic1 is not used 178c2ecf20Sopenharmony_ci 1: using GPIO2 pin as dmic1 data pin 188c2ecf20Sopenharmony_ci 2: using GPIO5 pin as dmic1 data pin 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ci- realtek,dmic1-clk-pin 218c2ecf20Sopenharmony_ci 0: using GPIO1 pin as dmic1 clock pin 228c2ecf20Sopenharmony_ci 1: using GPIO3 pin as dmic1 clock pin 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ci- realtek,jd-src 258c2ecf20Sopenharmony_ci 0: No JD is used 268c2ecf20Sopenharmony_ci 1: using JD1 as JD source 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_ci- realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin. 298c2ecf20Sopenharmony_ci 308c2ecf20Sopenharmony_ciPins on the device (for linking into audio routes) for RT5668B: 318c2ecf20Sopenharmony_ci 328c2ecf20Sopenharmony_ci * DMIC L1 338c2ecf20Sopenharmony_ci * DMIC R1 348c2ecf20Sopenharmony_ci * IN1P 358c2ecf20Sopenharmony_ci * HPOL 368c2ecf20Sopenharmony_ci * HPOR 378c2ecf20Sopenharmony_ci 388c2ecf20Sopenharmony_ciExample: 398c2ecf20Sopenharmony_ci 408c2ecf20Sopenharmony_cirt5668 { 418c2ecf20Sopenharmony_ci compatible = "realtek,rt5668b"; 428c2ecf20Sopenharmony_ci reg = <0x1a>; 438c2ecf20Sopenharmony_ci interrupt-parent = <&gpio>; 448c2ecf20Sopenharmony_ci interrupts = <TEGRA_GPIO(U, 6) IRQ_TYPE_LEVEL_HIGH>; 458c2ecf20Sopenharmony_ci realtek,ldo1-en-gpios = 468c2ecf20Sopenharmony_ci <&gpio TEGRA_GPIO(R, 2) GPIO_ACTIVE_HIGH>; 478c2ecf20Sopenharmony_ci realtek,dmic1-data-pin = <1>; 488c2ecf20Sopenharmony_ci realtek,dmic1-clk-pin = <1>; 498c2ecf20Sopenharmony_ci realtek,jd-src = <1>; 508c2ecf20Sopenharmony_ci}; 51