[PATCH v5 21/24] clk: mediatek: Add MT8192 vdecsys clock support

Weiyi Lu
2020-11-09T02:17:35Z

Add MT8192 vdecsys and vdecsys soc clock providers

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
---
drivers/clk/mediatek/Kconfig | 6 +++
drivers/clk/mediatek/Makefile | 1 +
drivers/clk/mediatek/clk-mt8192-vdec.c | 94 ++++++++++++++++++++++++++++++++++
3 files changed, 101 insertions(+)
create mode 100644 drivers/clk/mediatek/clk-mt8192-vdec.c

diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
index 1009e1f..633e806 100644
--- a/drivers/clk/mediatek/Kconfig
+++ b/drivers/clk/mediatek/Kconfig
@@ -557,6 +557,12 @@ 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 and vdecsys_soc 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 a336fe7..887dd6b 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile
@@ -78,5 +78,6 @@ obj-$(CONFIG_COMMON_CLK_MT8192_MFGCFG) += clk-mt8192-mfg.o
obj-$(CONFIG_COMMON_CLK_MT8192_MMSYS) += clk-mt8192-mm.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..a6043c1
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8192-vdec.c
@@ -0,0 +1,94 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright (c) 2020 MediaTek Inc.
+// Author: Weiyi Lu <weiyi.lu@mediatek.com>
+
+#include <linux/clk-provider.h>
+#include <linux/of_device.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 const struct mtk_gate vdec_soc_clks[] = {
+ /* VDEC_SOC0 */
+ GATE_VDEC0(CLK_VDEC_SOC_VDEC, "vdec_soc_vdec", "vdec_sel", 0),
+ GATE_VDEC0(CLK_VDEC_SOC_VDEC_ACTIVE, "vdec_soc_vdec_active", "vdec_sel", 4),
+ /* VDEC_SOC1 */
+ GATE_VDEC1(CLK_VDEC_SOC_LAT, "vdec_soc_lat", "vdec_sel", 0),
+ GATE_VDEC1(CLK_VDEC_SOC_LAT_ACTIVE, "vdec_soc_lat_active", "vdec_sel", 4),
+ /* VDEC_SOC2 */
+ GATE_VDEC2(CLK_VDEC_SOC_LARB1, "vdec_soc_larb1", "vdec_sel", 0),
+};
+
+static const struct mtk_clk_desc vdec_desc = {
+ .clks = vdec_clks,
+ .num_clks = ARRAY_SIZE(vdec_clks),
+};
+
+static const struct mtk_clk_desc vdec_soc_desc = {
+ .clks = vdec_soc_clks,
+ .num_clks = ARRAY_SIZE(vdec_soc_clks),
+};
+
+static const struct of_device_id of_match_clk_mt8192_vdec[] = {
+ {
+ .compatible = "mediatek,mt8192-vdecsys",
+ .data = &vdec_desc,
+ }, {
+ .compatible = "mediatek,mt8192-vdecsys_soc",
+ .data = &vdec_soc_desc,
+ }, {
+ /* sentinel */
+ }
+};
+
+static struct platform_driver clk_mt8192_vdec_drv = {
+ .probe = mtk_clk_simple_probe,
+ .driver = {
+ .name = "clk-mt8192-vdec",
+ .of_match_table = of_match_clk_mt8192_vdec,
+ },
+};
+
+builtin_platform_driver(clk_mt8192_vdec_drv);