From patchwork Fri Oct 17 16:11:51 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abhilash Kesavan X-Patchwork-Id: 5098211 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 7618C9FAC5 for ; Fri, 17 Oct 2014 16:12:26 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 87B5520154 for ; Fri, 17 Oct 2014 16:12:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 947AE20149 for ; Fri, 17 Oct 2014 16:12:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753446AbaJQQMX (ORCPT ); Fri, 17 Oct 2014 12:12:23 -0400 Received: from mail-pd0-f174.google.com ([209.85.192.174]:61626 "EHLO mail-pd0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752490AbaJQQMW (ORCPT ); Fri, 17 Oct 2014 12:12:22 -0400 Received: by mail-pd0-f174.google.com with SMTP id y13so1032482pdi.33 for ; Fri, 17 Oct 2014 09:12:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=8QJlbdvIj7v7QSG5b6d476Le5aWd4/AOLgA0MNq51ho=; b=D9+7UXkcaivXsZ3w8E92cSKi6JgJnvx5tF/KGcA1++9CdjaJdsBN1lSLxBI4v5IWio Xl+5Fmi/3bD6mxqpgc33P696ww2f4LViYbe/Ij7o2LKSAtK4PuzfFHjwShJbbGWqs1EE 5//qWFgZwgHYo5fxGhWxD/h0DULU8r7d/FR22nvgiSSGfvL/DCYO+wrJATXqK+//PGvI RMN8jZt2u73E+8QtxDQdkDhmfGjH48Q9WYtq52alG0waDRsoAKgaYWI2ifdzvJnNClCL iUE24OUeejQI9hcCURn2NH9kWddUUcf3rolpKFcbqXoeNdU5SSDdS6DFgE90hd7dsTKI FKKw== X-Received: by 10.68.163.65 with SMTP id yg1mr9391420pbb.21.1413562342219; Fri, 17 Oct 2014 09:12:22 -0700 (PDT) Received: from localhost.localdomain ([122.172.175.194]) by mx.google.com with ESMTPSA id c8sm1983685pat.6.2014.10.17.09.12.19 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 17 Oct 2014 09:12:21 -0700 (PDT) From: Abhilash Kesavan To: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org, catalin.marinas@arm.com, robh@kernel.org, devicetree@vger.kernel.org, tomasz.figa@gmail.com Subject: [PATCH 3/7] clk: samsung: exynos7: add clocks for RTC block Date: Fri, 17 Oct 2014 21:41:51 +0530 Message-Id: <1413562315-12283-4-git-send-email-a.kesavan@samsung.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1413562315-12283-1-git-send-email-a.kesavan@samsung.com> References: <1413562315-12283-1-git-send-email-a.kesavan@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Naveen Krishna Ch Add clock support for the RTC block in Exynos7. Signed-off-by: Naveen Krishna Ch Signed-off-by: Abhilash Kesavan --- .../devicetree/bindings/clock/exynos7-clock.txt | 1 + drivers/clk/samsung/clk-exynos7.c | 54 ++++++++++++++++++++ include/dt-bindings/clock/exynos7-clk.h | 17 +++--- 3 files changed, 66 insertions(+), 6 deletions(-) diff --git a/Documentation/devicetree/bindings/clock/exynos7-clock.txt b/Documentation/devicetree/bindings/clock/exynos7-clock.txt index 4c69b66..aff6fd2 100644 --- a/Documentation/devicetree/bindings/clock/exynos7-clock.txt +++ b/Documentation/devicetree/bindings/clock/exynos7-clock.txt @@ -28,6 +28,7 @@ Required Properties for Clock Controller: - "samsung,exynos7-clock-topc" - "samsung,exynos7-clock-top0" - "samsung,exynos7-clock-top1" + - "samsung,exynos7-clock-ccore" - "samsung,exynos7-clock-peric0" - "samsung,exynos7-clock-peric1" - "samsung,exynos7-clock-peris" diff --git a/drivers/clk/samsung/clk-exynos7.c b/drivers/clk/samsung/clk-exynos7.c index f5e43fa..3a30f43 100644 --- a/drivers/clk/samsung/clk-exynos7.c +++ b/drivers/clk/samsung/clk-exynos7.c @@ -29,7 +29,9 @@ #define AUD_PLL_CON0 0x0140 #define MUX_SEL_TOPC0 0x0200 #define MUX_SEL_TOPC1 0x0204 +#define MUX_SEL_TOPC2 0x0208 #define MUX_SEL_TOPC3 0x020C +#define DIV_TOPC0 0x0600 #define DIV_TOPC1 0x0604 #define DIV_TOPC3 0x060C @@ -78,7 +80,9 @@ static unsigned long topc_clk_regs[] __initdata = { AUD_PLL_CON0, MUX_SEL_TOPC0, MUX_SEL_TOPC1, + MUX_SEL_TOPC2, MUX_SEL_TOPC3, + DIV_TOPC0, DIV_TOPC1, DIV_TOPC3, }; @@ -101,10 +105,15 @@ static struct samsung_mux_clock topc_mux_clks[] __initdata = { MUX(0, "mout_sclk_bus0_pll_out", mout_sclk_bus0_pll_out_p, MUX_SEL_TOPC1, 16, 1), + MUX(0, "mout_aclk_ccore_133", mout_topc_group2, MUX_SEL_TOPC2, 4, 2), + MUX(0, "mout_aclk_peris_66", mout_topc_group2, MUX_SEL_TOPC3, 24, 2), }; static struct samsung_div_clock topc_div_clks[] __initdata = { + DIV(DOUT_ACLK_CCORE_133, "dout_aclk_ccore_133", "mout_aclk_ccore_133", + DIV_TOPC0, 4, 4), + DIV(DOUT_ACLK_PERIS, "dout_aclk_peris_66", "mout_aclk_peris_66", DIV_TOPC1, 24, 4), @@ -393,6 +402,51 @@ static void __init exynos7_clk_top1_init(struct device_node *np) CLK_OF_DECLARE(exynos7_clk_top1, "samsung,exynos7-clock-top1", exynos7_clk_top1_init); +/* Register Offset definitions for CMU_CCORE (0x105B0000) */ +#define MUX_SEL_CCORE 0x0200 +#define DIV_CCORE 0x0600 +#define ENABLE_ACLK_CCORE0 0x0800 +#define ENABLE_ACLK_CCORE1 0x0804 +#define ENABLE_PCLK_CCORE 0x0900 + +/* + * List of parent clocks for Muxes in CMU_CCORE + */ +PNAME(mout_aclk_ccore_133_p) = { "fin_pll", "dout_aclk_ccore_133" }; + +static unsigned long ccore_clk_regs[] __initdata = { + MUX_SEL_CCORE, + ENABLE_PCLK_CCORE, +}; + +static struct samsung_mux_clock ccore_mux_clks[] __initdata = { + MUX(0, "mout_aclk_ccore_133_user", mout_aclk_ccore_133_p, + MUX_SEL_CCORE, 1, 1), +}; + +static struct samsung_gate_clock ccore_gate_clks[] __initdata = { + GATE(PCLK_RTC, "pclk_rtc", "mout_aclk_ccore_133_user", + ENABLE_PCLK_CCORE, 8, 0, 0), +}; + +static struct samsung_cmu_info ccore_cmu_info __initdata = { + .mux_clks = ccore_mux_clks, + .nr_mux_clks = ARRAY_SIZE(ccore_mux_clks), + .gate_clks = ccore_gate_clks, + .nr_gate_clks = ARRAY_SIZE(ccore_gate_clks), + .nr_clk_ids = CCORE_NR_CLK, + .clk_regs = ccore_clk_regs, + .nr_clk_regs = ARRAY_SIZE(ccore_clk_regs), +}; + +static void __init exynos7_clk_ccore_init(struct device_node *np) +{ + samsung_cmu_register_one(np, &ccore_cmu_info); +} + +CLK_OF_DECLARE(exynos7_clk_ccore, "samsung,exynos7-clock-ccore", + exynos7_clk_ccore_init); + /* Register Offset definitions for CMU_PERIC0 (0x13610000) */ #define MUX_SEL_PERIC0 0x0200 #define ENABLE_PCLK_PERIC0 0x0900 diff --git a/include/dt-bindings/clock/exynos7-clk.h b/include/dt-bindings/clock/exynos7-clk.h index ff63c4e..3227679 100644 --- a/include/dt-bindings/clock/exynos7-clk.h +++ b/include/dt-bindings/clock/exynos7-clk.h @@ -11,12 +11,13 @@ #define _DT_BINDINGS_CLOCK_EXYNOS7_H /* TOPC */ -#define DOUT_ACLK_PERIS 1 -#define DOUT_SCLK_BUS0_PLL 2 -#define DOUT_SCLK_BUS1_PLL 3 -#define DOUT_SCLK_CC_PLL 4 -#define DOUT_SCLK_MFC_PLL 5 -#define TOPC_NR_CLK 6 +#define DOUT_ACLK_CCORE_133 1 +#define DOUT_ACLK_PERIS 2 +#define DOUT_SCLK_BUS0_PLL 3 +#define DOUT_SCLK_BUS1_PLL 4 +#define DOUT_SCLK_CC_PLL 5 +#define DOUT_SCLK_MFC_PLL 6 +#define TOPC_NR_CLK 7 /* TOP0 */ #define DOUT_ACLK_PERIC1 1 @@ -38,6 +39,10 @@ #define CLK_SCLK_MMC0 8 #define TOP1_NR_CLK 9 +/* CCORE */ +#define PCLK_RTC 1 +#define CCORE_NR_CLK 2 + /* PERIC0 */ #define PCLK_UART0 1 #define SCLK_UART0 2