On 13:51-20230927, Nitin Yadav wrote: > The AM62x LP SK board is similar to the AM62x SK board, > but has some significant changes that requires different > device tree. > > The differences are mainly: > - AM62x SoC in the AMC package that meets AECQ100 automotive standard. > - LPDDR4 versus DDR4 on the AM62x SK. > - TPS65219 PMIC instead of discrete regulators. > - IO expander pin names are wired differently. > - Second ethernet port is currently disabled as the boards do not have > the part physically installed. > - OSPI NAND vs OSPI NOR. > - No WLAN chip instead a SDIO M.2 connector. > > Signed-off-by: Nitin Yadav <[email protected]> > --- > arch/arm/dts/Makefile | 2 + > arch/arm/dts/k3-am62-lp-sk-u-boot.dtsi | 9 + > arch/arm/dts/k3-am62-lp-sk.dts | 231 ++
> arch/arm/dts/k3-am62-r5-lp-sk.dts | 21 + > arch/arm/dts/k3-am62x-ddr-lp4-50-800-800.dtsi | 2190 +++++++++++++++++ > 5 files changed, 2453 insertions(+) > create mode 100644 arch/arm/dts/k3-am62-lp-sk-u-boot.dtsi > create mode 100644 arch/arm/dts/k3-am62-lp-sk.dts > create mode 100644 arch/arm/dts/k3-am62-r5-lp-sk.dts > create mode 100644 arch/arm/dts/k3-am62x-ddr-lp4-50-800-800.dtsi > > diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile > index bde2176ec7..72ea57885f 100644 > --- a/arch/arm/dts/Makefile > +++ b/arch/arm/dts/Makefile > @@ -1337,6 +1337,8 @@ dtb-$(CONFIG_SOC_K3_AM642) += k3-am642-evm.dtb \ > > dtb-$(CONFIG_SOC_K3_AM625) += k3-am625-sk.dtb \ > k3-am625-r5-sk.dtb \ > + k3-am62-lp-sk.dtb \ > + k3-am62-r5-lp-sk.dtb \ > k3-am625-beagleplay.dtb \ > k3-am625-r5-beagleplay.dtb \ > k3-am625-verdin-wifi-dev.dtb \ > diff --git a/arch/arm/dts/k3-am62-lp-sk-u-boot.dtsi > b/arch/arm/dts/k3-am62-lp-sk-u-boot.dtsi > new file mode 100644 > index 0000000000..7da94fe4b6 > --- /dev/null > +++ b/arch/arm/dts/k3-am62-lp-sk-u-boot.dtsi > @@ -0,0 +1,9 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * AM62x LP SK dts file for SPLs > + * Copyright (C) 2021-2023 Texas Instruments Incorporated - > https://www.ti.com/ > + */ > + > +#include "k3-am62x-sk-common-u-boot.dtsi" > + > +#include "k3-am62-lp-sk-binman.dtsi" Are you sure you don't need the dt phase properties for regulators for mmc to work? > diff --git a/arch/arm/dts/k3-am62-lp-sk.dts b/arch/arm/dts/k3-am62-lp-sk.dts Is this coming in from v6.6-rc1 if so document that in commit message. [...] > diff --git a/arch/arm/dts/k3-am62-r5-lp-sk.dts > b/arch/arm/dts/k3-am62-r5-lp-sk.dts > new file mode 100644 > index 0000000000..ed2c028bad > --- /dev/null > +++ b/arch/arm/dts/k3-am62-r5-lp-sk.dts > @@ -0,0 +1,21 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * AM62x LP SK dts file for R5 SPL > + * Copyright (C) 2021-2023 Texas Instruments Incorporated - > https://www.ti.com/ > + */ > + > +#include "k3-am62-lp-sk.dts" > +#include "k3-am62x-ddr-lp4-50-800-800.dtsi" > +#include "k3-am62-ddr.dtsi" > + > +#include "k3-am62-lp-sk-u-boot.dtsi" > +#include "k3-am62x-r5-sk-common.dtsi" > + > +/ { > + memory@80000000 { > + device_type = "memory"; > + /* 2G RAM */ > + reg = <0x00000000 0x80000000 0x00000000 0x80000000>; > + bootph-pre-ram; > + }; > +}; NAK. should come from board.dts. > diff --git a/arch/arm/dts/k3-am62x-ddr-lp4-50-800-800.dtsi > b/arch/arm/dts/k3-am62x-ddr-lp4-50-800-800.dtsi > new file mode 100644 > index 0000000000..74693d12e1 > --- /dev/null > +++ b/arch/arm/dts/k3-am62x-ddr-lp4-50-800-800.dtsi > @@ -0,0 +1,2190 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * This file was generated with the > + * AM62x SysConfig DDR Subsystem Register Configuration Tool v0.08.61 > + * Tue Mar 22 2022 17:03:08 GMT-0500 (Central Daylight Time) Are you sure this does'nt need a sync up to latest? > + * DDR Type: LPDDR4 Would be good to document the exact DDR part. > + * F0 = 50MHz F1 = 800MHz F2 = 800MHz > + * Density (per channel): 16Gb > + * Number of Ranks: 1 > + */ > + [...] -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
