| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <1603370247-30437-33-git-send-email-weiyi.lu@mediatek.com>
Date: Thu, 22 Oct 2020 20:37:25 +0800
From: Weiyi Lu <weiyi.lu@...iatek.com>
To: Matthias Brugger <matthias.bgg@...il.com>,
Rob Herring <robh@...nel.org>, Stephen Boyd <sboyd@...nel.org>,
Nicolas Boichat <drinkcat@...omium.org>
CC: <linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
<linux-mediatek@...ts.infradead.org>, <linux-clk@...r.kernel.org>,
<srv_heupstream@...iatek.com>, Weiyi Lu <weiyi.lu@...iatek.com>
Subject: [PATCH v4 32/34] clk: mediatek: Add MT8192 vdecsys clock support
Add MT8192 vdecsys clock provider
Signed-off-by: Weiyi Lu <weiyi.lu@...iatek.com>
---
drivers/clk/mediatek/Kconfig | 6 +++
drivers/clk/mediatek/Makefile | 1 +
drivers/clk/mediatek/clk-mt8192-vdec.c | 82 ++++++++++++++++++++++++++++++++++
3 files changed, 89 insertions(+)
create mode 100644 drivers/clk/mediatek/clk-mt8192-vdec.c
diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
index 22d0699..e8383e17 100644
--- a/drivers/clk/mediatek/Kconfig
+++ b/drivers/clk/mediatek/Kconfig
@@ -569,6 +569,12 @@ config COMMON_CLK_MT8192_SCP_ADSP
help
This driver supports MediaTek MT8192 scp_adsp clocks.
+config COMMON_CLK_MT8192_VDECSYS
+ bool "Clock driver for MediaTek MT8192 vdecsys"
+ depends on COMMON_CLK_MT8192
+ help
+ This driver supports MediaTek MT8192 vdecsys clocks.
+
config COMMON_CLK_MT8516
bool "Clock driver for MediaTek MT8516"
depends on ARCH_MEDIATEK || COMPILE_TEST
diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
index 662cd1a..04bce21 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile
@@ -82,5 +82,6 @@ obj-$(CONFIG_COMMON_CLK_MT8192_MMSYS) += clk-mt8192-mm.o
obj-$(CONFIG_COMMON_CLK_MT8192_MSDC_TOP) += clk-mt8192-msdc_top.o
obj-$(CONFIG_COMMON_CLK_MT8192_MSDC) += clk-mt8192-msdc.o
obj-$(CONFIG_COMMON_CLK_MT8192_SCP_ADSP) += clk-mt8192-scp_adsp.o
+obj-$(CONFIG_COMMON_CLK_MT8192_VDECSYS) += clk-mt8192-vdec.o
obj-$(CONFIG_COMMON_CLK_MT8516) += clk-mt8516.o
obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o
diff --git a/drivers/clk/mediatek/clk-mt8192-vdec.c b/drivers/clk/mediatek/clk-mt8192-vdec.c
new file mode 100644
index 0000000..33cd9c3
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8192-vdec.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright (c) 2020 MediaTek Inc.
+// Author: Weiyi Lu <weiyi.lu@...iatek.com>
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+#include <dt-bindings/clock/mt8192-clk.h>
+
+static const struct mtk_gate_regs vdec0_cg_regs = {
+ .set_ofs = 0x0,
+ .clr_ofs = 0x4,
+ .sta_ofs = 0x0,
+};
+
+static const struct mtk_gate_regs vdec1_cg_regs = {
+ .set_ofs = 0x200,
+ .clr_ofs = 0x204,
+ .sta_ofs = 0x200,
+};
+
+static const struct mtk_gate_regs vdec2_cg_regs = {
+ .set_ofs = 0x8,
+ .clr_ofs = 0xc,
+ .sta_ofs = 0x8,
+};
+
+#define GATE_VDEC0(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
+
+#define GATE_VDEC1(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
+
+#define GATE_VDEC2(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &vdec2_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
+
+static const struct mtk_gate vdec_clks[] = {
+ /* VDEC0 */
+ GATE_VDEC0(CLK_VDEC_VDEC, "vdec_vdec", "vdec_sel", 0),
+ GATE_VDEC0(CLK_VDEC_ACTIVE, "vdec_active", "vdec_sel", 4),
+ /* VDEC1 */
+ GATE_VDEC1(CLK_VDEC_LAT, "vdec_lat", "vdec_sel", 0),
+ GATE_VDEC1(CLK_VDEC_LAT_ACTIVE, "vdec_lat_active", "vdec_sel", 4),
+ /* VDEC2 */
+ GATE_VDEC2(CLK_VDEC_LARB1, "vdec_larb1", "vdec_sel", 0),
+};
+
+static int clk_mt8192_vdec_probe(struct platform_device *pdev)
+{
+ struct clk_onecell_data *clk_data;
+ struct device_node *node = pdev->dev.of_node;
+ int r;
+
+ clk_data = mtk_alloc_clk_data(CLK_VDEC_NR_CLK);
+ if (!clk_data)
+ return -ENOMEM;
+
+ r = mtk_clk_register_gates(node, vdec_clks, ARRAY_SIZE(vdec_clks), clk_data);
+ if (r)
+ return r;
+
+ return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+}
+
+static const struct of_device_id of_match_clk_mt8192_vdec[] = {
+ { .compatible = "mediatek,mt8192-vdecsys", },
+ {}
+};
+
+static struct platform_driver clk_mt8192_vdec_drv = {
+ .probe = clk_mt8192_vdec_probe,
+ .driver = {
+ .name = "clk-mt8192-vdec",
+ .of_match_table = of_match_clk_mt8192_vdec,
+ },
+};
+
+builtin_platform_driver(clk_mt8192_vdec_drv);
--
1.8.1.1.dirty
Powered by blists - more mailing lists