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([77.85.230.22]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5cb66a6a8efsm4133058a12.52.2024.10.23.02.09.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Oct 2024 02:09:10 -0700 (PDT) From: Ivaylo Ivanov To: Krzysztof Kozlowski , Greg Kroah-Hartman , Jiri Slaby , Alim Akhtar , Rob Herring , Conor Dooley Cc: linux-samsung-soc@vger.kernel.org, linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] dt-bindings: serial: samsung: Add samsung,exynos8895-uart compatible Date: Wed, 23 Oct 2024 12:09:01 +0300 Message-ID: <20241023090902.538040-2-ivo.ivanov.ivanov1@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241023090902.538040-1-ivo.ivanov.ivanov1@gmail.com> References: <20241023090902.538040-1-ivo.ivanov.ivanov1@gmail.com> Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add dedicated samsung,exynos8895-uart compatible to the dt-schema for representing uart of the Exynos8895 SoC. Like GS101, it has a required DT property samsung,uart-fifosize, but it does not exhibit the 32 bit register access limit. Signed-off-by: Ivaylo Ivanov --- .../devicetree/bindings/serial/samsung_uart.yaml | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml index 788c80e47..070eba9f1 100644 --- a/Documentation/devicetree/bindings/serial/samsung_uart.yaml +++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml @@ -27,6 +27,7 @@ properties: - samsung,exynos4210-uart - samsung,exynos5433-uart - samsung,exynos850-uart + - samsung,exynos8895-uart - items: - enum: - samsung,exynos7-uart @@ -160,18 +161,27 @@ allOf: contains: enum: - google,gs101-uart + - samsung,exynos8895-uart then: required: - samsung,uart-fifosize properties: - reg-io-width: false - clocks: maxItems: 2 clock-names: maxItems: 2 + - if: + properties: + compatible: + contains: + enum: + - google,gs101-uart + then: + properties: + reg-io-width: false + unevaluatedProperties: false examples: From patchwork Wed Oct 23 09:09:02 2024 Content-Type: text/plain; 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([77.85.230.22]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5cb66a6a8efsm4133058a12.52.2024.10.23.02.09.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Oct 2024 02:09:11 -0700 (PDT) From: Ivaylo Ivanov To: Krzysztof Kozlowski , Greg Kroah-Hartman , Jiri Slaby , Alim Akhtar , Rob Herring , Conor Dooley Cc: linux-samsung-soc@vger.kernel.org, linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/2] tty: serial: samsung: Add Exynos8895 compatible Date: Wed, 23 Oct 2024 12:09:02 +0300 Message-ID: <20241023090902.538040-3-ivo.ivanov.ivanov1@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241023090902.538040-1-ivo.ivanov.ivanov1@gmail.com> References: <20241023090902.538040-1-ivo.ivanov.ivanov1@gmail.com> Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add serial driver data for Exynos8895 SoC. The main difference from other platforms is that fifosize is only specified via the samsung,uart-fifosize DT property. Signed-off-by: Ivaylo Ivanov Reviewed-by: Krzysztof Kozlowski --- drivers/tty/serial/samsung_tty.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c index 0d184ee2f..ce3c3ec34 100644 --- a/drivers/tty/serial/samsung_tty.c +++ b/drivers/tty/serial/samsung_tty.c @@ -2498,6 +2498,12 @@ static const struct s3c24xx_serial_drv_data exynos850_serial_drv_data = { .fifosize = { 256, 64, 64, 64 }, }; +static const struct s3c24xx_serial_drv_data exynos8895_serial_drv_data = { + EXYNOS_COMMON_SERIAL_DRV_DATA, + /* samsung,uart-fifosize must be specified in the device tree. */ + .fifosize = { 0 }, +}; + static const struct s3c24xx_serial_drv_data gs101_serial_drv_data = { .info = { .name = "Google GS101 UART", @@ -2528,12 +2534,14 @@ static const struct s3c24xx_serial_drv_data gs101_serial_drv_data = { #define EXYNOS4210_SERIAL_DRV_DATA (&exynos4210_serial_drv_data) #define EXYNOS5433_SERIAL_DRV_DATA (&exynos5433_serial_drv_data) #define EXYNOS850_SERIAL_DRV_DATA (&exynos850_serial_drv_data) +#define EXYNOS8895_SERIAL_DRV_DATA (&exynos8895_serial_drv_data) #define GS101_SERIAL_DRV_DATA (&gs101_serial_drv_data) #else #define EXYNOS4210_SERIAL_DRV_DATA NULL #define EXYNOS5433_SERIAL_DRV_DATA NULL #define EXYNOS850_SERIAL_DRV_DATA NULL +#define EXYNOS8895_SERIAL_DRV_DATA NULL #define GS101_SERIAL_DRV_DATA NULL #endif @@ -2623,6 +2631,9 @@ static const struct platform_device_id s3c24xx_serial_driver_ids[] = { }, { .name = "gs101-uart", .driver_data = (kernel_ulong_t)GS101_SERIAL_DRV_DATA, + }, { + .name = "exynos8895-uart", + .driver_data = (kernel_ulong_t)EXYNOS8895_SERIAL_DRV_DATA, }, { }, }; @@ -2646,6 +2657,8 @@ static const struct of_device_id s3c24xx_uart_dt_match[] = { .data = ARTPEC8_SERIAL_DRV_DATA }, { .compatible = "google,gs101-uart", .data = GS101_SERIAL_DRV_DATA }, + { .compatible = "samsung,exynos8895-uart", + .data = EXYNOS8895_SERIAL_DRV_DATA }, {}, }; MODULE_DEVICE_TABLE(of, s3c24xx_uart_dt_match);