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Mon, 28 Jan 2019 10:05:04 -0800 (PST) From: Jerome Brunet To: Neil Armstrong , Stephen Boyd , Michael Turquette Subject: [PATCH 14/14] clk: meson: rework and clean drivers dependencies Date: Mon, 28 Jan 2019 19:04:30 +0100 Message-Id: <20190128180430.28689-15-jbrunet@baylibre.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190128180430.28689-1-jbrunet@baylibre.com> References: <20190128180430.28689-1-jbrunet@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190128_130509_524165_4647E678 X-CRM114-Status: GOOD ( 14.03 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Hilman , linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Jerome Brunet Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Initially, the meson clock directory only hosted 2 controllers drivers, for meson8 and gxbb. At the time, both used the same set of clock drivers so managing the dependencies was not a big concern. Since this ancient time, entropy did its job, controllers with different requirement and specific clock drivers have been added. Unfortunately, we did not do a great job at managing the dependencies between the controllers and the different clock drivers. Some drivers, such as clk-phase or vid-pll-div, are compiled even if they are useless on the target (meson8). As we are adding new controllers, we need to be able to pick a driver w/o pulling the whole thing. The patch aims to clean things up by: * providing a dedicated CONFIG_ for each clock drivers * allowing clock drivers to be compiled as a modules, if possible * stating explicitly which drivers are required by each controller. Signed-off-by: Jerome Brunet --- drivers/clk/meson/Kconfig | 82 +++++++++++++++++++++++++++----------- drivers/clk/meson/Makefile | 21 ++++++---- 2 files changed, 71 insertions(+), 32 deletions(-) diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig index 2479dab09d70..f2e757aea4f1 100644 --- a/drivers/clk/meson/Kconfig +++ b/drivers/clk/meson/Kconfig @@ -1,27 +1,47 @@ -config COMMON_CLK_AMLOGIC - bool - depends on ARCH_MESON || COMPILE_TEST - select COMMON_CLK_REGMAP_MESON +config COMMON_CLK_MESON_INPUT + tristate -config COMMON_CLK_AMLOGIC_AUDIO - bool - depends on ARCH_MESON || COMPILE_TEST - select COMMON_CLK_AMLOGIC +config COMMON_CLK_MESON_REGMAP + tristate + select REGMAP -config COMMON_CLK_MESON_AO - bool - depends on OF - depends on ARCH_MESON || COMPILE_TEST - select COMMON_CLK_REGMAP_MESON - select RESET_CONTROLLER +config COMMON_CLK_MESON_DUALDIV + tristate + select COMMON_CLK_MESON_REGMAP -config COMMON_CLK_REGMAP_MESON - bool - select REGMAP +config COMMON_CLK_MESON_MPLL + tristate + select COMMON_CLK_MESON_REGMAP + +config COMMON_CLK_MESON_PHASE + tristate + select COMMON_CLK_MESON_REGMAP + +config COMMON_CLK_MESON_PLL + tristate + select COMMON_CLK_MESON_REGMAP + +config COMMON_CLK_MESON_SCLK_DIV + tristate + select COMMON_CLK_MESON_REGMAP + +config COMMON_CLK_MESON_VID_PLL_DIV + tristate + select COMMON_CLK_MESON_REGMAP + +config COMMON_CLK_MESON_AO_CLKC + tristate + select COMMON_CLK_MESON_REGMAP + select COMMON_CLK_MESON_INPUT + select RESET_CONTROLLER config COMMON_CLK_MESON8B bool - select COMMON_CLK_AMLOGIC + depends on ARCH_MESON + select COMMON_CLK_MESON_REGMAP + select COMMON_CLK_MESON_MPLL + select COMMON_CLK_MESON_PLL + select MFD_SYSCON select RESET_CONTROLLER help Support for the clock controller on AmLogic S802 (Meson8), @@ -30,8 +50,14 @@ config COMMON_CLK_MESON8B config COMMON_CLK_GXBB bool - select COMMON_CLK_AMLOGIC - select COMMON_CLK_MESON_AO + depends on ARCH_MESON + select COMMON_CLK_MESON_INPUT + select COMMON_CLK_MESON_REGMAP + select COMMON_CLK_MESON_DUALDIV + select COMMON_CLK_MESON_VID_PLL_DIV + select COMMON_CLK_MESON_MPLL + select COMMON_CLK_MESON_PLL + select COMMON_CLK_MESON_AO_CLKC select MFD_SYSCON help Support for the clock controller on AmLogic S905 devices, aka gxbb. @@ -39,8 +65,13 @@ config COMMON_CLK_GXBB config COMMON_CLK_AXG bool - select COMMON_CLK_AMLOGIC - select COMMON_CLK_MESON_AO + depends on ARCH_MESON + select COMMON_CLK_MESON_INPUT + select COMMON_CLK_MESON_REGMAP + select COMMON_CLK_MESON_DUALDIV + select COMMON_CLK_MESON_MPLL + select COMMON_CLK_MESON_PLL + select COMMON_CLK_MESON_AO_CLKC select MFD_SYSCON help Support for the clock controller on AmLogic A113D devices, aka axg. @@ -48,8 +79,11 @@ config COMMON_CLK_AXG config COMMON_CLK_AXG_AUDIO tristate "Meson AXG Audio Clock Controller Driver" - depends on COMMON_CLK_AXG - select COMMON_CLK_AMLOGIC_AUDIO + depends on ARCH_MESON + select COMMON_CLK_MESON_INPUT + select COMMON_CLK_MESON_REGMAP + select COMMON_CLK_MESON_PHASE + select COMMON_CLK_MESON_SCLK_DIV select REGMAP_MMIO help Support for the audio clock controller on AmLogic A113D devices, diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile index 2b9490dd9878..8baec10a49a1 100644 --- a/drivers/clk/meson/Makefile +++ b/drivers/clk/meson/Makefile @@ -2,12 +2,17 @@ # Makefile for Meson specific clk # -obj-$(CONFIG_COMMON_CLK_AMLOGIC) += clk-pll.o clk-mpll.o clk-phase.o vid-pll-div.o -obj-$(CONFIG_COMMON_CLK_AMLOGIC) += clk-input.o clk-dualdiv.o -obj-$(CONFIG_COMMON_CLK_AMLOGIC_AUDIO) += sclk-div.o -obj-$(CONFIG_COMMON_CLK_MESON_AO) += meson-aoclk.o +obj-$(CONFIG_COMMON_CLK_MESON_INPUT) += clk-input.o +obj-$(CONFIG_COMMON_CLK_MESON_REGMAP) += clk-regmap.o +obj-$(CONFIG_COMMON_CLK_MESON_DUALDIV) += clk-dualdiv.o +obj-$(CONFIG_COMMON_CLK_MESON_MPLL) += clk-mpll.o +obj-$(CONFIG_COMMON_CLK_MESON_PHASE) += clk-phase.o +obj-$(CONFIG_COMMON_CLK_MESON_PLL) += clk-pll.o +obj-$(CONFIG_COMMON_CLK_MESON_SCLK_DIV) += sclk-div.o +obj-$(CONFIG_COMMON_CLK_MESON_VID_PLL_DIV) += vid-pll-div.o +obj-$(CONFIG_COMMON_CLK_MESON_AO_CLKC) += meson-aoclk.o + obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o -obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o -obj-$(CONFIG_COMMON_CLK_AXG) += axg.o axg-aoclk.o -obj-$(CONFIG_COMMON_CLK_AXG_AUDIO) += axg-audio.o -obj-$(CONFIG_COMMON_CLK_REGMAP_MESON) += clk-regmap.o +obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o +obj-$(CONFIG_COMMON_CLK_AXG) += axg.o axg-aoclk.o +obj-$(CONFIG_COMMON_CLK_AXG_AUDIO) += axg-audio.o -- 2.20.1 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic