From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Szyprowski Subject: [PATCH 1/4] mfd: exynos-lpass: Enable UART module support Date: Fri, 14 Dec 2018 12:34:07 +0100 Message-ID: <20181214113410.22848-2-m.szyprowski@samsung.com> References: <20181214113410.22848-1-m.szyprowski@samsung.com> Return-path: In-reply-to: <20181214113410.22848-1-m.szyprowski@samsung.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, linux-samsung-soc@vger.kernel.org Cc: Marek Szyprowski , Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz , Beomho Seo , Seung-Woo Kim , Sylwester Nawrocki , Lee Jones , Greg Kroah-Hartman List-Id: linux-serial@vger.kernel.org From: Beomho Seo This patch enables support for UART module in Exynos Audio SubSystem. There are boards (for example TM2), which use it for communication with bluetooth chip. Signed-off-by: Beomho Seo [mszyprow: rephrased commit message, added UART reset] Signed-off-by: Marek Szyprowski Reviewed-by: Sylwester Nawrocki --- drivers/mfd/exynos-lpass.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/mfd/exynos-lpass.c b/drivers/mfd/exynos-lpass.c index ca829f85672f..2713de989f05 100644 --- a/drivers/mfd/exynos-lpass.c +++ b/drivers/mfd/exynos-lpass.c @@ -82,11 +82,13 @@ static void exynos_lpass_enable(struct exynos_lpass *lpass) LPASS_INTR_SFR | LPASS_INTR_DMA | LPASS_INTR_I2S); regmap_write(lpass->top, SFR_LPASS_INTR_CPU_MASK, - LPASS_INTR_SFR | LPASS_INTR_DMA | LPASS_INTR_I2S); + LPASS_INTR_SFR | LPASS_INTR_DMA | LPASS_INTR_I2S | + LPASS_INTR_UART); exynos_lpass_core_sw_reset(lpass, LPASS_I2S_SW_RESET); exynos_lpass_core_sw_reset(lpass, LPASS_DMA_SW_RESET); exynos_lpass_core_sw_reset(lpass, LPASS_MEM_SW_RESET); + exynos_lpass_core_sw_reset(lpass, LPASS_UART_SW_RESET); } static void exynos_lpass_disable(struct exynos_lpass *lpass) -- 2.17.1