From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Chanho Park <chanho61.park@samsung.com>,
Andi Shyti <andi@etezian.org>, Mark Brown <broonie@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: Alim Akhtar <alim.akhtar@samsung.com>,
devicetree@vger.kernel.org, linux-spi@vger.kernel.org,
linux-samsung-soc@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/5] spi: s3c64xx: support loopback mode
Date: Mon, 27 Jun 2022 11:38:29 +0200 [thread overview]
Message-ID: <984a7287-16e5-8f46-9ea7-fa17623f26dd@linaro.org> (raw)
In-Reply-To: <20220627064707.138883-3-chanho61.park@samsung.com>
On 27/06/2022 08:47, Chanho Park wrote:
> Modern exynos SoCs can support self loopback mode via setting BIT(3) of
> MODE_CFG register. Previous SoCs don't have the bit so we need to add
> has_loopback field in the s3c64xx_spi_port_config. Exynos Auto v9 SoC
> has the bit and it will define the field to "true".
> When it is set, SPI_LOOP mode will be marked.
>
> Signed-off-by: Chanho Park <chanho61.park@samsung.com>
> ---
> drivers/spi/spi-s3c64xx.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Best regards,
Krzysztof
next prev parent reply other threads:[~2022-06-27 9:38 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20220627064931epcas2p1944df2c6c54339de17e32c7116837f52@epcas2p1.samsung.com>
2022-06-27 6:47 ` [PATCH 0/5] spi support for Exynos Auto v9 SoC Chanho Park
[not found] ` <CGME20220627064931epcas2p4d90034c1fe583a3460f0e4613e83e6d0@epcas2p4.samsung.com>
2022-06-27 6:47 ` [PATCH 1/5] spi: spi-s3c64xx: increase MAX_SPI_PORTS to 12 Chanho Park
2022-06-27 9:37 ` Krzysztof Kozlowski
[not found] ` <CGME20220627064931epcas2p3052d80fd448aed36b9414e7733c251f5@epcas2p3.samsung.com>
2022-06-27 6:47 ` [PATCH 2/5] spi: s3c64xx: support loopback mode Chanho Park
2022-06-27 9:38 ` Krzysztof Kozlowski [this message]
[not found] ` <CGME20220627064931epcas2p2e1dc352f41895b294d7945c2239de362@epcas2p2.samsung.com>
2022-06-27 6:47 ` [PATCH 3/5] spi: s3c64xx: support custom value of internal clock divider Chanho Park
2022-06-27 9:40 ` Krzysztof Kozlowski
2022-06-28 1:51 ` Chanho Park
[not found] ` <CGME20220627064931epcas2p2ad75d53ceabb2b0f10dfb13f5fcb0ff4@epcas2p2.samsung.com>
2022-06-27 6:47 ` [PATCH 4/5] dt-bindings: samsung,spi: define exynosautov9 compatible Chanho Park
2022-06-27 9:41 ` Krzysztof Kozlowski
[not found] ` <CGME20220627064931epcas2p19407c5c3da3319cfb55dcb2c6d517256@epcas2p1.samsung.com>
2022-06-27 6:47 ` [PATCH 5/5] spi: s3c64xx: add spi port configuration for Exynos Auto v9 SoC Chanho Park
2022-06-27 9:46 ` Krzysztof Kozlowski
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