From: Puranjay Mohan <p-mohan@ti.com> To: <linux-kernel@vger.kernel.org> Cc: nm@ti.com, devicetree@vger.kernel.org, grygorii.strashko@ti.com, vigneshr@ti.com, mathieu.poirier@linaro.org, kishon@ti.com, linux-remoteproc@vger.kernel.org, bjorn.andersson@linaro.org, rogerq@kernel.org, krzysztof.kozlowski+dt@linaro.org, ssantosh@kernel.org, p-mohan@ti.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 4/6] soc: ti: pruss: Add helper functions to set GPI mode, MII_RT_event and XFR Date: Mon, 18 Apr 2022 18:00:02 +0530 [thread overview] Message-ID: <20220418123004.9332-5-p-mohan@ti.com> (raw) In-Reply-To: <20220418123004.9332-1-p-mohan@ti.com> From: Suman Anna <s-anna@ti.com> The PRUSS CFG module is represented as a syscon node and is currently managed by the PRUSS platform driver. Add easy accessor functions to set GPI mode, MII_RT event enable/disable and XFR (XIN XOUT) enable/disable to enable the PRUSS Ethernet usecase. These functions reuse the generic pruss_cfg_update() API function. Signed-off-by: Suman Anna <s-anna@ti.com> Co-developed-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org> Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org> Signed-off-by: Puranjay Mohan <p-mohan@ti.com> --- include/linux/pruss.h | 55 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/include/linux/pruss.h b/include/linux/pruss.h index eb2f974eef9c..84e95eb884e9 100644 --- a/include/linux/pruss.h +++ b/include/linux/pruss.h @@ -235,4 +235,59 @@ static inline bool is_pru_rproc(struct device *dev) return true; } +/** + * pruss_cfg_gpimode() - set the GPI mode of the PRU + * @pruss: the pruss instance handle + * @pru_id: id of the PRU core within the PRUSS + * @mode: GPI mode to set + * + * Sets the GPI mode for a given PRU by programming the + * corresponding PRUSS_CFG_GPCFGx register + * + * Return: 0 on success, or an error code otherwise + */ +static inline int pruss_cfg_gpimode(struct pruss *pruss, + enum pruss_pru_id pru_id, + enum pruss_gpi_mode mode) +{ + if (pru_id < 0 || pru_id >= PRUSS_NUM_PRUS) + return -EINVAL; + + return pruss_cfg_update(pruss, PRUSS_CFG_GPCFG(pru_id), + PRUSS_GPCFG_PRU_GPI_MODE_MASK, + mode << PRUSS_GPCFG_PRU_GPI_MODE_SHIFT); +} + +/** + * pruss_cfg_miirt_enable() - Enable/disable MII RT Events + * @pruss: the pruss instance + * @enable: enable/disable + * + * Enable/disable the MII RT Events for the PRUSS. + * + * Return: 0 on success, or an error code otherwise + */ +static inline int pruss_cfg_miirt_enable(struct pruss *pruss, bool enable) +{ + u32 set = enable ? PRUSS_MII_RT_EVENT_EN : 0; + + return pruss_cfg_update(pruss, PRUSS_CFG_MII_RT, + PRUSS_MII_RT_EVENT_EN, set); +} + +/** + * pruss_cfg_xfr_enable() - Enable/disable XIN XOUT shift functionality + * @pruss: the pruss instance + * @enable: enable/disable + * + * Return: 0 on success, or an error code otherwise + */ +static inline int pruss_cfg_xfr_enable(struct pruss *pruss, bool enable) +{ + u32 set = enable ? PRUSS_SPP_XFER_SHIFT_EN : 0; + + return pruss_cfg_update(pruss, PRUSS_CFG_SPP, + PRUSS_SPP_XFER_SHIFT_EN, set); +} + #endif /* __LINUX_PRUSS_H */ -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Puranjay Mohan <p-mohan@ti.com> To: <linux-kernel@vger.kernel.org> Cc: <bjorn.andersson@linaro.org>, <mathieu.poirier@linaro.org>, <krzysztof.kozlowski+dt@linaro.org>, <linux-remoteproc@vger.kernel.org>, <devicetree@vger.kernel.org>, <nm@ti.com>, <ssantosh@kernel.org>, <s-anna@ti.com>, <p-mohan@ti.com>, <linux-arm-kernel@lists.infradead.org>, <rogerq@kernel.org>, <grygorii.strashko@ti.com>, <vigneshr@ti.com>, <kishon@ti.com> Subject: [PATCH v2 4/6] soc: ti: pruss: Add helper functions to set GPI mode, MII_RT_event and XFR Date: Mon, 18 Apr 2022 18:00:02 +0530 [thread overview] Message-ID: <20220418123004.9332-5-p-mohan@ti.com> (raw) In-Reply-To: <20220418123004.9332-1-p-mohan@ti.com> From: Suman Anna <s-anna@ti.com> The PRUSS CFG module is represented as a syscon node and is currently managed by the PRUSS platform driver. Add easy accessor functions to set GPI mode, MII_RT event enable/disable and XFR (XIN XOUT) enable/disable to enable the PRUSS Ethernet usecase. These functions reuse the generic pruss_cfg_update() API function. Signed-off-by: Suman Anna <s-anna@ti.com> Co-developed-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org> Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org> Signed-off-by: Puranjay Mohan <p-mohan@ti.com> --- include/linux/pruss.h | 55 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/include/linux/pruss.h b/include/linux/pruss.h index eb2f974eef9c..84e95eb884e9 100644 --- a/include/linux/pruss.h +++ b/include/linux/pruss.h @@ -235,4 +235,59 @@ static inline bool is_pru_rproc(struct device *dev) return true; } +/** + * pruss_cfg_gpimode() - set the GPI mode of the PRU + * @pruss: the pruss instance handle + * @pru_id: id of the PRU core within the PRUSS + * @mode: GPI mode to set + * + * Sets the GPI mode for a given PRU by programming the + * corresponding PRUSS_CFG_GPCFGx register + * + * Return: 0 on success, or an error code otherwise + */ +static inline int pruss_cfg_gpimode(struct pruss *pruss, + enum pruss_pru_id pru_id, + enum pruss_gpi_mode mode) +{ + if (pru_id < 0 || pru_id >= PRUSS_NUM_PRUS) + return -EINVAL; + + return pruss_cfg_update(pruss, PRUSS_CFG_GPCFG(pru_id), + PRUSS_GPCFG_PRU_GPI_MODE_MASK, + mode << PRUSS_GPCFG_PRU_GPI_MODE_SHIFT); +} + +/** + * pruss_cfg_miirt_enable() - Enable/disable MII RT Events + * @pruss: the pruss instance + * @enable: enable/disable + * + * Enable/disable the MII RT Events for the PRUSS. + * + * Return: 0 on success, or an error code otherwise + */ +static inline int pruss_cfg_miirt_enable(struct pruss *pruss, bool enable) +{ + u32 set = enable ? PRUSS_MII_RT_EVENT_EN : 0; + + return pruss_cfg_update(pruss, PRUSS_CFG_MII_RT, + PRUSS_MII_RT_EVENT_EN, set); +} + +/** + * pruss_cfg_xfr_enable() - Enable/disable XIN XOUT shift functionality + * @pruss: the pruss instance + * @enable: enable/disable + * + * Return: 0 on success, or an error code otherwise + */ +static inline int pruss_cfg_xfr_enable(struct pruss *pruss, bool enable) +{ + u32 set = enable ? PRUSS_SPP_XFER_SHIFT_EN : 0; + + return pruss_cfg_update(pruss, PRUSS_CFG_SPP, + PRUSS_SPP_XFER_SHIFT_EN, set); +} + #endif /* __LINUX_PRUSS_H */ -- 2.17.1
next prev parent reply other threads:[~2022-04-18 12:32 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-04-18 12:29 [PATCH v2 0/6] Introduce PRU platform consumer API Puranjay Mohan 2022-04-18 12:29 ` Puranjay Mohan 2022-04-18 12:29 ` [PATCH v2 1/6] soc: ti: pruss: Add pruss_get()/put() API Puranjay Mohan 2022-04-18 12:29 ` Puranjay Mohan 2022-04-18 12:30 ` [PATCH v2 2/6] soc: ti: pruss: Add pruss_{request, release}_mem_region() API Puranjay Mohan 2022-04-18 12:30 ` [PATCH v2 2/6] soc: ti: pruss: Add pruss_{request,release}_mem_region() API Puranjay Mohan 2022-04-18 12:30 ` [PATCH v2 3/6] soc: ti: pruss: Add pruss_cfg_read()/update() API Puranjay Mohan 2022-04-18 12:30 ` Puranjay Mohan 2022-04-18 12:30 ` Puranjay Mohan [this message] 2022-04-18 12:30 ` [PATCH v2 4/6] soc: ti: pruss: Add helper functions to set GPI mode, MII_RT_event and XFR Puranjay Mohan 2022-04-18 12:30 ` [PATCH v2 5/6] soc: ti: pruss: Add helper function to enable OCP master ports Puranjay Mohan 2022-04-18 12:30 ` Puranjay Mohan 2022-04-21 6:51 ` Tony Lindgren 2022-04-21 6:51 ` Tony Lindgren 2022-04-18 12:30 ` [PATCH v2 6/6] soc: ti: pruss: Add helper functions to get/set PRUSS_CFG_GPMUX Puranjay Mohan 2022-04-18 12:30 ` Puranjay Mohan 2022-09-12 14:20 ` Romain Naour 2022-09-12 14:20 ` Romain Naour 2022-09-14 13:15 ` Roger Quadros 2022-09-14 13:15 ` Roger Quadros 2022-09-15 8:27 ` Romain Naour 2022-09-15 8:27 ` Romain Naour
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