From: Marek Vasut Date: Wed, 13 Aug 2025 21:26:59 +0000 (+0200) Subject: arm64: dts: renesas: r8a779g3: Set VDDQ18_25_AVB voltage on Retronix R-Car V4H Sparro... X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1df2880e9512f4760f615668e5d06aa5f44b778a;p=pandora-u-boot.git arm64: dts: renesas: r8a779g3: Set VDDQ18_25_AVB voltage on Retronix R-Car V4H Sparrow Hawk EVTB1 The Retronix R-Car V4H Sparrow Hawk EVTB1 uses 1V8 IO voltage supply for VDDQ18_25_AVB power rail. Update the AVB0 pinmux to reflect the change in IO voltage. Since the VDDQ18_25_AVB power rail is shared, all four AVB0, AVB1, AVB2, TSN0 PFC/GPIO POC[7..4] registers have to be configured the same way. Correct the voltage for EVTA1 boards accordingly by patching the U-Boot control DT in SPL. Signed-off-by: Marek Vasut --- diff --git a/arch/arm/dts/r8a779g3-sparrow-hawk-u-boot.dtsi b/arch/arm/dts/r8a779g3-sparrow-hawk-u-boot.dtsi index c8c24d661ac..cdf5c9cdd64 100644 --- a/arch/arm/dts/r8a779g3-sparrow-hawk-u-boot.dtsi +++ b/arch/arm/dts/r8a779g3-sparrow-hawk-u-boot.dtsi @@ -7,6 +7,13 @@ #include "r8a779g0-u-boot.dtsi" +&avb0_pins { + pins-vddq18-25-avb { + pins = "PIN_VDDQ_AVB0", "PIN_VDDQ_AVB1", "PIN_VDDQ_AVB2", "PIN_VDDQ_TSN0"; + power-source = <1800>; + }; +}; + /* Page 31 / FAN */ &gpio1 { pwm-fan-hog { diff --git a/board/renesas/sparrowhawk/sparrowhawk.c b/board/renesas/sparrowhawk/sparrowhawk.c index 1fd7a63d2fa..58de7f25cbd 100644 --- a/board/renesas/sparrowhawk/sparrowhawk.c +++ b/board/renesas/sparrowhawk/sparrowhawk.c @@ -231,6 +231,18 @@ void spl_perform_fixups(struct spl_image_info *spl_image) printf("Failed to disable UHS pins in MicroSD node: %d\n", err); return; } + + offs = fdt_path_offset(blob, "/soc/pinctrl@e6050000/avb0/pins-vddq18-25-avb"); + if (offs < 0) { + printf("Failed to locate AVB pinctrl node: %d\n", offs); + return; + } + + err = fdt_setprop_u32(blob, offs, "power-source", 2500); + if (err < 0) { + printf("Failed to set AVB IO voltage: %d\n", err); + return; + } } #endif