linux-kernel - [PATCH 5/9 v5] clk: samsung exynos5250/5420: Add gate clock for SSS module

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Message-id: <1390987446-18784-1-git-send-email-ch.naveen@samsung.com>
Date:	Wed, 29 Jan 2014 14:54:06 +0530
From:	Naveen Krishna Chatradhi <ch.naveen@...sung.com>
To:	linux-crypto@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, vzapolskiy@...il.com,
	herbert@...dor.apana.org.au, naveenkrishna.ch@...il.com,
	cpgs@...sung.com, devicetree@...r.kernel.org,
	Kukjin Kim <kgene.kim@...sung.com>
Subject: [PATCH 5/9 v5] clk: samsung exynos5250/5420: Add gate clock for SSS
 module

This patch adds gating clock for SSS(Security SubSystem)
module on Exynos5250/5420.

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@...sung.com>
TO: <linux-samsung-soc@...r.kernel.org>
TO: Tomasz Figa <t.figa@...sung.com>
CC: Kukjin Kim <kgene.kim@...sung.com>
CC: <linux-crypto@...r.kernel.org>
---
Changes since v4:
Use register GATE_IP_G2D instead of GATE_BUS_G2D for Exynos5420
Changes since v3:
1. Rebased on to https://git.kernel.org/pub/scm/linux/kernel/git/tfiga/samsung-clk.git
2. Added new ID for SSS clock on Exynos5250, with Documentation and 
3. Added gate clocks definitions for SSS on Exynos5420 and Exynos5250
 .../devicetree/bindings/clock/exynos5250-clock.txt |    1 +
 drivers/clk/samsung/clk-exynos5250.c               |    1 +
 drivers/clk/samsung/clk-exynos5420.c               |    4 ++++
 include/dt-bindings/clock/exynos5250.h             |    1 +
 4 files changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
index 492ed09..a845fc6 100644
--- a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
@@ -162,6 +162,7 @@ clock which they consume.
   g2d			345
   mdma0			346
   smmu_mdma0		347
+  sss			348
 
 
    [Clock Muxes]
diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c
index ff4beeb..2c52fe1 100644
--- a/drivers/clk/samsung/clk-exynos5250.c
+++ b/drivers/clk/samsung/clk-exynos5250.c
@@ -387,6 +387,7 @@ static struct samsung_gate_clock exynos5250_gate_clks[] __initdata = {
 	 * CMU_ACP
 	 */
 	GATE(CLK_MDMA0, "mdma0", "div_aclk266", GATE_IP_ACP, 1, 0, 0),
+	GATE(CLK_SSS, "sss", "div_aclk266", GATE_IP_ACP, 2, 0, 0),
 	GATE(CLK_G2D, "g2d", "div_aclk200", GATE_IP_ACP, 3, 0, 0),
 	GATE(CLK_SMMU_MDMA0, "smmu_mdma0", "div_aclk266", GATE_IP_ACP, 5, 0, 0),
 
diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index ab4f2f7..c93d4d5 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -26,6 +26,7 @@
 #define DIV_CPU1		0x504
 #define GATE_BUS_CPU		0x700
 #define GATE_SCLK_CPU		0x800
+#define GATE_IP_G2D		0x8800
 #define CPLL_LOCK		0x10020
 #define DPLL_LOCK		0x10030
 #define EPLL_LOCK		0x10040
@@ -702,6 +703,9 @@ static struct samsung_gate_clock exynos5420_gate_clks[] __initdata = {
 		0),
 	GATE(CLK_SMMU_MIXER, "smmu_mixer", "aclk200_disp1", GATE_IP_DISP1, 9, 0,
 		0),
+
+	/* SSS */
+	GATE(CLK_SSS, "sss", "aclk266_g2d", GATE_IP_G2D, 2, 0, 0),
 };
 
 static struct samsung_pll_clock exynos5420_plls[nr_plls] __initdata = {
diff --git a/include/dt-bindings/clock/exynos5250.h b/include/dt-bindings/clock/exynos5250.h
index 922f2dc..f9b452b 100644
--- a/include/dt-bindings/clock/exynos5250.h
+++ b/include/dt-bindings/clock/exynos5250.h
@@ -150,6 +150,7 @@
 #define CLK_G2D			345
 #define CLK_MDMA0		346
 #define CLK_SMMU_MDMA0		347
+#define CLK_SSS			348
 
 /* mux clocks */
 #define CLK_MOUT_HDMI		1024
-- 
1.7.9.5

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