From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753385AbbHMOu4 (ORCPT ); Thu, 13 Aug 2015 10:50:56 -0400 Received: from mail-wi0-f179.google.com ([209.85.212.179]:35110 "EHLO mail-wi0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752421AbbHMOsw (ORCPT ); Thu, 13 Aug 2015 10:48:52 -0400 From: Georgi Djakov To: sboyd@codeaurora.org Cc: mturquette@baylibre.com, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, georgi.djakov@linaro.org Subject: [PATCH v3 1/4] clk: qcom: Add MSM8916 iommu clocks Date: Thu, 13 Aug 2015 17:48:34 +0300 Message-Id: <1439477317-1902-2-git-send-email-georgi.djakov@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1439477317-1902-1-git-send-email-georgi.djakov@linaro.org> References: <1439477317-1902-1-git-send-email-georgi.djakov@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for the msm8916 TCU (Translation Control Unit) clocks that are needed for IOMMU. Signed-off-by: Georgi Djakov --- drivers/clk/qcom/gcc-msm8916.c | 48 ++++++++++++++++++++++++++ include/dt-bindings/clock/qcom,gcc-msm8916.h | 3 ++ 2 files changed, 51 insertions(+) diff --git a/drivers/clk/qcom/gcc-msm8916.c b/drivers/clk/qcom/gcc-msm8916.c index 3bf4fb3deef6..83b7df476453 100644 --- a/drivers/clk/qcom/gcc-msm8916.c +++ b/drivers/clk/qcom/gcc-msm8916.c @@ -2358,6 +2358,51 @@ static struct clk_branch gcc_sdcc2_apps_clk = { }, }; +static struct clk_rcg2 bimc_ddr_clk_src = { + .cmd_rcgr = 0x32004, + .hid_width = 5, + .parent_map = gcc_xo_gpll0_bimc_map, + .clkr.hw.init = &(struct clk_init_data){ + .name = "bimc_ddr_clk_src", + .parent_names = gcc_xo_gpll0_bimc, + .num_parents = 3, + .ops = &clk_rcg2_ops, + .flags = CLK_GET_RATE_NOCACHE, + }, +}; + +static struct clk_branch gcc_apss_tcu_clk = { + .halt_reg = 0x12018, + .clkr = { + .enable_reg = 0x4500c, + .enable_mask = BIT(1), + .hw.init = &(struct clk_init_data){ + .name = "gcc_apss_tcu_clk", + .parent_names = (const char *[]){ + "bimc_ddr_clk_src", + }, + .num_parents = 1, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gcc_gfx_tcu_clk = { + .halt_reg = 0x12020, + .clkr = { + .enable_reg = 0x4500c, + .enable_mask = BIT(2), + .hw.init = &(struct clk_init_data){ + .name = "gcc_gfx_tcu_clk", + .parent_names = (const char *[]){ + "bimc_ddr_clk_src", + }, + .num_parents = 1, + .ops = &clk_branch2_ops, + }, + }, +}; + static struct clk_branch gcc_gtcu_ahb_clk = { .halt_reg = 0x12044, .clkr = { @@ -2701,6 +2746,9 @@ static struct clk_regmap *gcc_msm8916_clocks[] = { [GCC_VENUS0_AHB_CLK] = &gcc_venus0_ahb_clk.clkr, [GCC_VENUS0_AXI_CLK] = &gcc_venus0_axi_clk.clkr, [GCC_VENUS0_VCODEC0_CLK] = &gcc_venus0_vcodec0_clk.clkr, + [BIMC_DDR_CLK_SRC] = &bimc_ddr_clk_src.clkr, + [GCC_APSS_TCU_CLK] = &gcc_apss_tcu_clk.clkr, + [GCC_GFX_TCU_CLK] = &gcc_gfx_tcu_clk.clkr, }; static const struct qcom_reset_map gcc_msm8916_resets[] = { diff --git a/include/dt-bindings/clock/qcom,gcc-msm8916.h b/include/dt-bindings/clock/qcom,gcc-msm8916.h index e430f644dd6c..53b39293d759 100644 --- a/include/dt-bindings/clock/qcom,gcc-msm8916.h +++ b/include/dt-bindings/clock/qcom,gcc-msm8916.h @@ -152,5 +152,8 @@ #define GCC_VENUS0_AHB_CLK 135 #define GCC_VENUS0_AXI_CLK 136 #define GCC_VENUS0_VCODEC0_CLK 137 +#define BIMC_DDR_CLK_SRC 138 +#define GCC_APSS_TCU_CLK 139 +#define GCC_GFX_TCU_CLK 140 #endif