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Add support for Renesas RA entropy running on SCE5 HWIP #82915

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merged 3 commits into from
Dec 16, 2024
Merged

Add support for Renesas RA entropy running on SCE5 HWIP #82915

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8b5212b
manifest: Update hal_renesas for RA SCE5 entropy support
Oct 31, 2024
6a234c9
drivers: entropy: Add support for SCE5 to entropy driver
Nov 4, 2024
57539cd
boards: renesas: add board support entropy driver using SCE5
Nov 13, 2024
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2 changes: 2 additions & 0 deletions boards/renesas/ek_ra4w1/doc/index.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,8 @@ The below features are currently supported on Zephyr OS for EK-RA4W1 board:
+-----------+------------+----------------------+
| COUNTER | on-chip | counter |
+-----------+------------+----------------------+
| ENTROPY | on-chip | entropy |
+-----------+------------+----------------------+

Other hardware features are currently not supported by the port.

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5 changes: 5 additions & 0 deletions boards/renesas/ek_ra4w1/ek_ra4w1.dts
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Expand Up @@ -18,6 +18,7 @@
zephyr,flash = &flash0;
zephyr,console = &uart0;
zephyr,shell-uart = &uart0;
zephyr,entropy = &trng;
};

leds {
Expand Down Expand Up @@ -65,3 +66,7 @@
pinctrl-names = "default";
status = "okay";
};

&trng {
status = "okay";
};
3 changes: 2 additions & 1 deletion drivers/entropy/Kconfig.renesas_ra
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Expand Up @@ -6,7 +6,8 @@
config ENTROPY_RENESAS_RA
bool "Renesas RA TRNG driver"
default y
depends on DT_HAS_RENESAS_RA_RSIP_E51A_TRNG_ENABLED || DT_HAS_RENESAS_RA_SCE7_RNG_ENABLED
depends on DT_HAS_RENESAS_RA_RSIP_E51A_TRNG_ENABLED || DT_HAS_RENESAS_RA_SCE7_RNG_ENABLED \
|| DT_HAS_RENESAS_RA_SCE5_RNG_ENABLED
select ENTROPY_HAS_DRIVER
select USE_RA_FSP_SCE
help
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1 change: 1 addition & 0 deletions drivers/entropy/entropy_renesas_ra.c
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Expand Up @@ -48,4 +48,5 @@ static int entropy_renesas_ra_init(const struct device *dev)
CONFIG_ENTROPY_INIT_PRIORITY, &entropy_renesas_ra_api)

DT_FOREACH_STATUS_OKAY(renesas_ra_rsip_e51a_trng, RENESAS_RA_ENTROPY_INIT)
DT_FOREACH_STATUS_OKAY(renesas_ra_sce5_rng, RENESAS_RA_ENTROPY_INIT)
DT_FOREACH_STATUS_OKAY(renesas_ra_sce7_rng, RENESAS_RA_ENTROPY_INIT)
5 changes: 5 additions & 0 deletions dts/arm/renesas/ra/ra4/r7fa4w1ad2cng.dtsi
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Expand Up @@ -40,6 +40,11 @@
interrupts = <28 1>, <29 1>, <30 1>, <31 1>;
interrupt-names = "rxi", "txi", "tei", "eri";
};

trng: trng {
compatible = "renesas,ra-sce5-rng";
status = "disabled";
};
};

clocks: clocks {
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8 changes: 8 additions & 0 deletions dts/bindings/rng/renesas,ra-sce5-rng.yaml
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@@ -0,0 +1,8 @@
# Copyright (c) 2024 Renesas Electronics Corporation
# SPDX-License-Identifier: Apache-2.0

description: Renesas RA SCE5 TRNG

compatible: "renesas,ra-sce5-rng"

include: base.yaml
7 changes: 7 additions & 0 deletions modules/Kconfig.renesas_fsp
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Expand Up @@ -61,6 +61,13 @@ config HAS_RENESAS_RA_SCE7
help
Includes SCE7 implementation for SCE driver

config HAS_RENESAS_RA_SCE5
bool
default y
depends on DT_HAS_RENESAS_RA_SCE5_RNG_ENABLED
help
Includes SCE5 implementation for SCE driver

endif

config USE_RA_FSP_SPI_B
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2 changes: 1 addition & 1 deletion west.yml
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Expand Up @@ -215,7 +215,7 @@ manifest:
- hal
- name: hal_renesas
path: modules/hal/renesas
revision: ca0be9e9c56bdedf2f18426639c5aca79a4e06ae
revision: 677984b44e49e01f93caf957945bc712df6be148
groups:
- hal
- name: hal_rpi_pico
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